Updated on 2021/10/21

写真a

 
Wahyudiono
 
Organization
Graduate School of Engineering Materials Process Engineering 1 Designated assistant professor
Title
Designated assistant professor

Degree 1

  1. 博士(工学) ( 2007.3   熊本大学 ) 

 

Papers 158

  1. Molecular dynamics simulation and thermodynamic model of vapor-solid coexistence of the Lennard-Jones fluid in cylindrical nanopores

    Kanda Hideki, Hiramatsu Takeshi, Wahyudiono, Goto Motonobu

    CHEMICAL ENGINEERING SCIENCE   Vol. 248   2022.2

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    Language:Japanese   Publisher:Chemical Engineering Science  

    Molecular dynamics (MD) simulations were used to study the coexistence of solids and vapors of Lennard–Jones methane condensed within cylindrical carbon nanopores. The simulated unit cell includes both the inside and outside of the pores. This allowed us to observe the solid-vapor coexistence within the pores while simulating the pressure depression of the bulk vapor outside the pores. The condensates in the pores were cooled in stages, and the equilibrium vapor pressures were determined at each temperature. The obtained vapor–solid coexistence curves showed significantly lower shifts in pressure than those in the bulk phase. The results of the MD simulations were compared with the Clausius–Clapeyron equation starting from the triple point in the nanopores. The thermodynamic model successfully predicted the simulation results without introducing tunable parameters, demonstrating this concept's validity. Thus, a whole Lennard-Jones phase diagram in cylindrical nanopores can now be predicted.

    DOI: 10.1016/j.ces.2021.117116

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  2. Thermodynamic model of extraction equilibrium in cylindrical nanopores validated with molecular dynamics simulation

    Kanda Hideki, Wahyudiono, Goto Motonobu

    CHEMICAL ENGINEERING SCIENCE   Vol. 248   2022.2

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    Language:Japanese   Publisher:Chemical Engineering Science  

    Capillary phase separation (CPS) of two partially mixed Lennard-Jones (LJ) liquids in cylindrical nanopores was investigated by molecular dynamics (MD) simulations. The purpose of MD is not to reproduce reality, but to represent an ideal system that incorporates the effect of nanopores to compare it with a proposed thermodynamic equation. CPS is observed in the extraction equilibrium state, where extraction can no longer occur, and the solutes that are strongly bound to the nanopores cannot be extracted even if the solute concentration in the solvent is lower than the saturation solubility. At higher solute concentrations, the pores are filled with the solute. At lower solute concentrations, the solute was only adsorbed onto the pore wall surfaces. The CPS concentrations in various pore diameters obtained by MD were successfully predicted by the thermodynamic equation that considers interfacial tension between solvent and solute and potential from pore wall, without any adjustable parameters.

    DOI: 10.1016/j.ces.2021.117115

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  3. Molecular dynamics simulation and thermodynamic model of triple point of Lennard-Jones fluid in cylindrical nanopores

    Kanda Hideki, Hiramatsu Takeshi, Wahyudiono, Goto Motonobu

    CHEMICAL ENGINEERING SCIENCE   Vol. 244   2021.11

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    Language:Japanese   Publisher:Chemical Engineering Science  

    Triple points of a Lennard-Jones (LJ) fluid in cylindrical nanopores were examined using molecular dynamics simulations. At higher temperatures, the LJ fluid was capillary-condensed and was in equilibrium with the vapour phase in the pore space. The freezing of capillary condensates in cylindrical nanopores upon cooling represented phase transitions from vapour–liquid coexistence to vapour–solid coexistence, which occurred at the triple point in the cylindrical nanopores. The triple-point pressures in the cylindrical nanopores were approximately one order of magnitude lower than those in the bulk. The triple-point temperatures in the cylindrical nanopores were not inversely proportional to the pore size. The intersection of the thermodynamic models of vapour–liquid and solid–liquid coexistence previously derived by the authors can represent the state of vapour–liquid–solid coexistence. The thermodynamic triple-point model in cylindrical nanopores was successfully used to predict the molecular dynamics in nanopores.

    DOI: 10.1016/j.ces.2021.116829

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  4. Pulsed discharge plasma in slug-flow reactor system for water pollutant removal and nanoparticle synthesis

    Wahyudiono , Machmudah S., Kanda H., Zhao Y., Goto M.

    Engineering Journal   Vol. 25 ( 9 ) page: 1 - 17   2021.9

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    Language:Japanese   Publisher:Engineering Journal  

    The water pollutants removal and the metal nanoparticles synthesis were demonstrated by the applying high voltage discharge plasma at room temperature. The experiments were performed in continuous system by the flowing liquid and gas phases simultaneously in a glass capillary tube, where various gas types were employed as a gas phase. The optical emission spectroscopy (OES) equipment identified that the reactive oxidation species were obviously observed at each gas type. The generation rate of them can be enhanced significantly by changing the reactor type from straight to helical form. The water pollutants removal rate has order from oxygen > air > nitrogen > argon > helium. Furthermore, the silver or gold nanoparticles can be synthesized by this plasma reactor system. The transmission electron microscopy (TEM) images indicated that the particle products had spherical morphology with a diameter size smaller than 10 nm. It was deduced that the process presented here is an innovative and applicable in practice, and it can lead to advanced organic compounds degradation and nanoparticles synthesis technology.

    DOI: 10.4186/ej.2021.25.9.1

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  5. Synthesis of Cerium Dioxide Nanoparticles by Gas/Liquid Pulsed Discharge Plasma in a Slug Flow Reactor

    Zhu Wanying, Lin Yingying, Zhu Li, Wahyudiono, Honda Masaki, Kanda Hideki, Goto Motonobu

    ACS OMEGA   Vol. 6 ( 32 ) page: 20966 - 20974   2021.8

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    Language:Japanese   Publisher:ACS Omega  

    Cerium dioxide (CeO2) nanoparticles have gained immense attention owing to their use in various applications. Current synthesis methods for CeO2 nanoparticles including hydrothermal and chemical precipitation are time-consuming and require chemical reagents. In order to shorten the reaction time and avoid the use of organic reagents, a new method for CeO2 nanoparticles synthesis in a slug flow system by atmospheric-pressure pulsed discharge plasma was proposed, which provided an easy, efficient, and continuous reaction at room temperature. Cerium nitrate was used as a feed solution, and starch was added as a stabilizer to separate the nucleation and growth processes of the nanoparticles to prevent their aggregation. The system was powered by a high voltage of 10.0 kV (peak-to-peak) from an ac power supply. The products were characterized by transmission electron microscopy (TEM), high-resolution TEM, energy-dispersive X-ray spectroscopy, and UV-vis spectroscopy. The results showed that when a circular capillary glass tube coil was used as the slug flow reactor, the amount of the CeO2 nanoparticles increased compared to the case when a straight glass tube was used. The size also increased from 3.4 to 6.3 nm. The synthesis mechanism of the CeO2 nanoparticles by gas/liquid plasma was finally elucidated.

    DOI: 10.1021/acsomega.1c02463

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  6. Surfactant-free preparation of an ostrich carotid artery scaffold using liquefied dimethyl ether and DNase

    Kanda Hideki, Ando Daigo, Oya Kento, Wahyudiono, Goto Motonobu

    ARABIAN JOURNAL OF CHEMISTRY   Vol. 14 ( 8 )   2021.8

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    Language:Japanese   Publisher:Arabian Journal of Chemistry  

    Instead of combining the surfactant sodium dodecyl sulphate and DNase, a combination of liquefied dimethyl ether (DME) and DNase was used to decellularise the scaffold of ostrich carotid artery tissue. Firstly, lipids were extracted from ostrich carotid artery tissue using liquefied DME at 25 °C and a pressure of 0.59 MPa. After DME extraction, the ostrich carotid artery tissue was collected from the extraction column, and the DME remaining in the tissue was evaporated at atmospheric pressure and temperature. DNA fragmentation by DNase was then carried out using a method almost identical to the conventional method. Finally, the tissue was washed to remove fragmented DNA. The DNA was completely fragmented to a size of less than 100 bp after 1 day of DNase treatment. The residual DNA had a concentration of 28 ng/mg dry weight after 7 days of treatment with DNase. Haematoxylin and eosin staining showed that most of the cell nuclei were removed from the aortic tissue. These results indicate that the combination of liquefied DME extraction and DNase treatment eliminates the need for surfactant treatment in ostrich carotid artery tissue decellularisation. Although previous decellularisation studies have focused on porcine tissue, we herein show the potential of ostrich tissue as an alternative to alleviate religious concerns.

    DOI: 10.1016/j.arabjc.2021.103280

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  7. Preparation of Liposomes from Soy Lecithin Using Liquefied Dimethyl Ether

    Kanda Hideki, Katsube Tsubasa, Wahyudiono, Goto Motonobu

    FOODS   Vol. 10 ( 8 )   2021.8

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    Language:Japanese   Publisher:Foods  

    We investigated a method to prepare liposomes; soy lecithin was dissolved in liquefied dimethyl ether (DME) at 0.56 MPa, which was then injected into warm water. Liposomes can be successfully prepared at warm water temperatures above 45◦C. The transmission electron microscopy (TEM) images of the obtained liposomes, size distribution, ζ-potential measurements by dynamic light scattering and the amount of residual medium were compared by gas chromatography using the conventional medium, diethyl ether. The size of the obtained liposomes was approximately 60–300 nm and the ζ-potential was approximately −57 mV, which was almost the same as that of the conventional medium. Additionally, for the conventional media, a large amount remained in the liposome dispersion even after removal by depressurization and dialysis membrane treatment; however, liquefied DME, owing to its considerably low boiling point, was completely removed by depressurization. Liquefied DME is a very attractive medium for the preparation of liposomes because it does not have the toxicity and residue problems of conventional solvents or the hazards of ethanol addition and high pressure of supercritical carbon dioxide; it is also environmentally friendly.

    DOI: 10.3390/foods10081789

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  8. Molecular Dynamics Simulation of Tolman Length and Interfacial Tension of Symmetric Binary Lennard-Jones Liquid

    Kanda Hideki, Wahyudiono, Goto Motonobu

    SYMMETRY-BASEL   Vol. 13 ( 8 )   2021.8

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    Language:Japanese   Publisher:Symmetry  

    The Tolman length and interfacial tension of partially miscible symmetric binary Lennard–Jones (LJ) fluids (A, B) was revealed by performing a large-scale molecular dynamics (MD) simulation with a sufficient interfacial area and cutting distance. A unique phenomenon was observed in symmetric binary LJ fluids, where two surfaces of tension existed on both sides of an equimolar dividing surface. The range of interaction εAB between the different liquids and the temperature in which the two LJ fluids partially mixed was clarified, and the Tolman length exceeded 3 σ when εAB was strong at higher temperatures. The results show that as the temperature or εAB increases, the Tolman length increases and the interfacial tension decreases. This very long Tolman length indicates that one should be very careful when applying the concept of the liquid–liquid interface in the usual continuum approximation to nanoscale droplets and capillary phase separation in nanopores.

    DOI: 10.3390/sym13081376

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  9. Enhancement of Lipid Extraction from Soya Bean by Addition of Dimethyl Ether as Entrainer into Supercritical Carbon Dioxide

    Kanda Hideki, Fukuta Yuji, Wahyudiono, Goto Motonobu

    FOODS   Vol. 10 ( 6 )   2021.6

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    Soya beans contain a variety of lipids, and it is important to selectively separate neutral lipids from other lipids. Supercritical carbon dioxide extraction has been used as an alternative to the selective separation of neutral lipids from soya beans, usually using non-polar hexane. However, supercritical carbon dioxide extraction has a high operating pressure of over 40 MPa. On the other hand, liquefied dimethyl ether extraction, which has attracted attention in recent years, requires an operating pressure of only 0.5 MPa, but there is concern about the possibility of an explosion during operation because it is a flammable liquefied gas. Therefore, this study aims to reduce the operating pressure by using a non-flammable solvent, supercritical carbon dioxide extraction mixed with liquefied dimethyl ether as an entrainer. The extraction rate and the amount of neutral lipids extracted increased with increasing amounts of added liquefied dimethyl ether. In the mixed solvent, the amount of neutral lipids extracted was higher at an operating pressure of 20 MPa than in pure supercritical carbon dioxide extraction at 40 MPa. The mixing of liquefied dimethyl ether with supercritical carbon dioxide allowed an improvement in the extraction of neutral lipids while remaining non-flammable.

    DOI: 10.3390/foods10061223

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  10. Surfactant-Free Decellularization of Porcine Aortic Tissue by Subcritical Dimethyl Ether

    Kanda Hideki, Ando Daigo, Hoshino Rintaro, Yamamoto Tetsuya, Wahyudiono, Suzuki Shogo, Shinohara Satoshi, Goto Motonobu

    ACS OMEGA   Vol. 6 ( 20 ) page: 13417 - 13425   2021.5

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    Porcine aortic tissue was decellularized by subcritical dimethyl ether (DME) used as an alternative to the surfactant sodium dodecyl sulfate. The process included three steps. For the first step, lipids were extracted from the porcine aorta using subcritical DME at 23 °C with a DME pressure of 0.56 MPa. Next, DME was evaporated from the aorta under atmospheric pressure and temperature. The second step involved DNA fragmentation by DNase, which was primarily identical to the common method. For the third step, similar to the common method, DNA fragments were removed by washing with water and ethanol. After 3 days of DNase treatment, the amount of DNA remaining in the porcine aorta was 40 ng/dry-mg, which was lower than the standard value of 50 ng/mg-dry. Hematoxylin and eosin staining showed that most cell nuclei were removed from the aorta. These results demonstrate that subcritical DME eliminates the need to utilize surfactants.

    DOI: 10.1021/acsomega.1c01549

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  11. Extraction and Micronization of β-glucan in One-step Process by Combining Subcritical Water and Supercritical Carbon Dioxide

    Wahyudiono , MacHmudah S., Kanda H., Goto M.

    IOP Conference Series: Earth and Environmental Science   Vol. 672 ( 1 )   2021.4

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    Subcritical water extraction was recognized as a one of the green ways to isolate plant biomass constituents. In this work, water at subcritical conditions would be subjected as a medium to isolate β-glucans from barley (Hordeum vulgare L.) and Ganoderma lucidum (G. lucidum). The experiment would be performed at 130-190 °C and 4-40 MPa in a semi batch process. The FT-IR spectra described that, at subcritical water conditions, β-glucan was removed from barley grains and G. lucidum via dehydration and decarboxylation. To enhance the separation process, supercritical carbon dioxide (CO2) is injected. To keep and to concentrate the water soluble glucan compounds in the liquid extract product, the micronization technique was performed integratedly after extraction process. SEM image illustrated that the particle generated was shriveled or dimpled and spherical with size from 1 to 6 μm, and the β-glucans content in the particle product is around 40 to 45 wt%.

    DOI: 10.1088/1755-1315/672/1/012078

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  12. Bimetallic nanoparticle generation from Au-TiO2 film by pulsed laser ablation in an aqueous medium

    Wahyudiono, Kawai Shota, Mardis Mardiansyah, Machmudah Siti, Kanda Hideki, Zhao Yaping, Goto Motonobu

    ALEXANDRIA ENGINEERING JOURNAL   Vol. 60 ( 2 ) page: 2225 - 2234   2021.4

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    Bimetallic nanoparticle formation by applying pulsed laser ablation on the gold (Au) - titanium (TiO2) film was demonstrated. Experiments were conducted at room temperature. Au and TiO2 nanoparticles were mixed in different ratios and deposited as the starting material on silicon wafer plates, which were dried and placed in a beaker with distilled water. After a pulsed laser beam was applied, the collected aqueous solution products were analysed by ultraviolet–visible (UV–vis) spectrophotometry and characterised by scanning transmission electron microscopy (STEM) with energy-dispersive X-ray spectroscopy (EDS). The UV spectra indicated that the Au, TiO2, and Au–TiO2 nanoparticles were dispersed in the aqueous solution product. STEM-EDS images showed that spherical bimetallic nanoparticles containing gold and titanium were generated. A core of TiO2 nanoparticles was found to be well surrounded by a shell of Au nanoparticles when colloidal Au and TiO2 nanoparticles at a 1:1 ratio was used as the starting materials. The technique described here is simple and innovative, and this study enhances our understanding of bimetallic nanoparticle synthesis using a pulsed laser beam in a liquid environment.

    DOI: 10.1016/j.aej.2020.12.031

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  13. Ethanol-free extraction of resveratrol and its glycoside from Japanese knotweed rhizome by liquefied dimethyl ether without pretreatments

    Kanda Hideki, Oishi Kazuma, Machmudah Siti, Wahyudiono, Goto Motonobu

    ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING   Vol. 16 ( 2 )   2021.3

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    Language:Japanese   Publisher:Asia-Pacific Journal of Chemical Engineering  

    Herein, we carried out the extraction of polyphenol resveratrol and its glycoside (piceid) from raw Japanese knotweed via a simple method, employing dimethyl ether (DME) as the solvent. With DME extraction, the conventional drying and cell wall disruption steps can be left out. As a result, more resveratrol and piceid were obtained in DME extraction than in conventional ethanol extraction. Because the Hansen solubility parameters of DME are closer to ethanol than to water, it allowed us to extract resveratrol and piceid from raw Japanese knotweed, unlike water. Simultaneously, 83.5% of the initial water and 213 mg/g dry of organic extracts were extracted from raw Japanese knotweed. As DME extraction does not involve drying and grinding of the decomposed antioxidants, it is highly suitable for extracting antioxidants.

    DOI: 10.1002/apj.2600

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  14. Hydrothermal Synthesis: Low-Temperature Subcritical Water for Ceria-Zirconia Mixed Oxides Preparation

    Machmudah Siti, Widiyastuti Widiyastuti, Wahyudiono Wahyudiono, Winardi Sugeng, Kanda Hideki, Goto Motonobu

    INDONESIAN JOURNAL OF CHEMISTRY   Vol. 21 ( 1 ) page: 1 - 13   2021.2

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    Language:Japanese   Publisher:Indonesian Journal of Chemistry  

    A low-temperature hydrothermal synthesis technique was employed as a medium to produce ceria−zirconia mixed oxides particles at temperatures of 200–300 °C and pressure of 10 MPa in a batch process. At these conditions, the average crystallite sizes of ceria−zirconia mixed oxides increased slightly with increasing reaction temperature when the feed solution containing ceria and zirconia with a ratio of 1:1 was fed. SEM images illustrated that the morphologies of the ceria−zirconia mixed oxides particles were spherical and spherical−like with a diameter of around 100 nm. The EDX spectrum indicated that the signal corresponding to the ceria and the zirconia elements at 5 and 2 keV, respectively, were strongly detected in the products. The XRD pattern revealed that the mixed metal oxides particle products that comprised of cerium and zirconium oxides particles with cubic and monoclinic structures, respectively, were affected by their molar content in the feed solution.

    DOI: 10.22146/ijc.47357

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  15. Phytochemical compounds extraction from medicinal plants by subcritical water and its encapsulation via electrospraying

    Machmudah S., Wahyu Fitriana M., Fatbamayani N., Wahyudiono , Kanda H., Winardi S., Goto M.

    Alexandria Engineering Journal     2021

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    In this study, phytochemical compounds were extracted and encapsulated from medicinal plants such as M. oleifera, S. androgynus, and S. grandiflora using subcritical water and the electrospraying technique. The extraction was conducted at temperatures of 120 to 160 °C at various extraction pressures from 1 to 10 MPa in semi-batch systems with a 1.0 mL min−1 flow rate. Under these conditions, the starting materials, that is the medicinal plants, underwent thermal cleavage, allowing the removal of their components. The Fourier transform infrared spectroscopy (FT-IR) spectra of the solid residues indicated that phytochemical compounds were successfully extracted from these medicinal plants. The results revealed that the amounts of extracted phenolic compounds did not increase linearly with increasing extraction temperatures and pressures. The amounts of extracted phenolic compounds could approach 82.26 (140 °C, 5 MPa), 75.32 (160 °C, 5 MPa), and 78.91 (160 °C, 10 MPa) mg of gallic acid equivalents (GAE)/g of dried samples for M. oleifera, S. androgynus, and S. grandiflora, respectively. When the extracted phytochemical compounds were encapsulated with polyvinylpyrrolidone (PVP) via the electrospraying technique, the particle products seemed to exhibit spherical morphologies with diameters less than 1 μm, and the FT-IR spectra of these particle products showed that the medicinal plant extracts were successfully encapsulated by PVP through this technique.

    DOI: 10.1016/j.aej.2021.07.033

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  16. Yield and extraction rate analysis of phytochemical compounds from eucheuma cottonii, ganoderma lucidum, and gracilaria sp. Using subcritical water extraction

    Kristianto F.P., Machmudah S., Winardi S., Wahyudiono , Goto M.

    ASEAN Journal of Chemical Engineering   Vol. 21 ( 1 ) page: 27 - 37   2021

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    Eucheuma cottonii (E. cottonii), Ganoderma lucidum (G. lucidum), and Gracilaria sp. are plants that contain high phytochemicals, such as flavonoids, polyphenols, saponins, and tannins. In this work, the phytochemicals were obtained using the subcritical water extraction (SWE) process. The SWE method uses water as a solvent in subcritical conditions. Therefore, the SWE process is an environmentally friendly process for extraction. In order to run the SWE process optimally, measurement of the extraction rate of SWE is needed. Calculation of the extraction rate of SWE process used first and second-order models according to Lagergren equation. SWE process was started by setting temperatures from 140 to 180oC at a pressure of 7 MPa and solvent flow rate of 1 ml/min. Before starting the extraction, the raw material was loaded into the extractor. The raw materials used were E. cottonii, G. lucidum, and Gracilaria sp. The extraction process was carried out for 3 hours, and the product was collected every 30 minutes. The collected product was put into a sample bottle and dried using a freeze dryer. After that, the products obtained were balanced by an analytical scale. Based on the result, the optimum temperature for the SWE process was 180oC for E. cottonii and G. lucidum and 160oC for Gracilaria sp. The yields of the SWE process under the optimum temperature were 85.37%, 58.42%, and 75.73% for E. cottonii, G. lucidum, and Gracilaria sp, respectively. The extract contained phytochemical compounds detected by highperformance liquid chromatography analysis. The kinetics model of extraction rate for all variables exhibited a second-order kinetics model that indicated that the extraction process was influenced by more than one factor.

    DOI: 10.22146/ajche.60513

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  17. Synthesis of titanium dioxide nanoparticle by means of discharge plasma over an aqueous solution under high-pressure gas environment

    Wahyudiono , Kondo H., Machmudah S., Kanda H., Zhao Y., Goto M.

    Alexandria Engineering Journal     2021

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    In this study, the utilization of an electric field generated by the high voltage discharge plasma over a liquid water surface containing glycine compound to synthesize titanium dioxide (TiO2) nanoparticles was demonstrated. The experiments were conducted in a batch-type system with applied voltages ranging from 18.6 − 23.4 kV under various pressurized gases at room temperature. The results indicated that the applied voltages, applied pulse numbers, and pulsed repetition rates had a significant influence on the decomposition reaction of glycine compounds and titanium rod electrode erosion. The ultraviolet − visible (UV − vis) spectra showed that titanium dioxide nanoparticles could be observed in each solution product, and most of them were brookite-type structures. According to the HRTEM images, TiC was also produced as a nanoparticle product. Based on the experimental results, this process is applicable and could result in advanced metal-based nanoparticle synthesis technology.

    DOI: 10.1016/j.aej.2021.08.081

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  18. Water removal from wood biomass by liquefied dimethyl ether for enhancing heating value Reviewed

    Machmudah S.

    Energy Reports   Vol. 6   page: 824 - 831   2020.11

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    DOI: 10.1016/j.egyr.2020.04.006

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  19. Ethanol-free antisolvent crystallization of glycine by liquefied dimethyl ether

    Kanda Hideki, Katsube Tsubasa, Hoshino Rintaro, Kishino Mitsuhiro, Wahyudiono, Goto Motonobu

    HELIYON   Vol. 6 ( 10 ) page: e05258   2020.10

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    Liquefied dimethyl ether (DME) was employed as an antisolvent to crystallize glycine from its aqueous solution. The proposed method can be performed at 20–25 °C and has the potential to reduce the energy consumption of drying or crystallizing using ethanol. α-Glycine crystals were successfully obtained from glycine aqueous solutions by mixing in liquefied DME, which was easily removed from the crystals by decompression. Contact with a liquefied DME/water mixture and small γ-glycine crystals resulted in the α-glycine converting to γ-glycine. This was only observed for saturated glycine solutions. We speculated that this conversion occurs via a solution-mediated transition. Pure liquefied DME is not capable of promoting solvent-mediated transitions, so saturated glycine solutions treated with the pure antisolvent can give α-glycine as the sole product. Food science, Chemical engineering, Materials, Chemistry, Natural product, Amino acid, Crystallization, Antisolvent, Subcritical fluid.

    DOI: 10.1016/j.heliyon.2020.e05258

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  20. Direct Extraction of Lutein from Wet Macroalgae by Liquefied Dimethyl Ether without Any Pretreatment

    Kanda Hideki, Wahyudiono, Machmudah Siti, Goto Motonobu

    ACS OMEGA   Vol. 5 ( 37 ) page: 24005 - 24010   2020.9

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    Extraction of lutein from raw macroalgae Monostroma nitidum was conducted using a simple method employing dimethyl ether (DME) as a solvent. DME extraction enabled omission of conventional drying and cell wall disruption steps, yielding 0.30 mg/g dry lutein from wet M. nitidum. The yield of extracted lutein was higher than that by chloroform-methanol extraction from freeze-dried and cell-disrupted M. nitidum. DME extraction provides a safe, eco-friendly approach that combines high yields of lutein with unheated drying of wet macroalgae in a single step.

    DOI: 10.1021/acsomega.0c03358

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  21. Effect of solvent selection and nozzle geometry on Curcuma mangga micronization process using supercritical antisolvent: Experiment and CFD simulation Reviewed

    Lestari S.D.

    Food and Bioproducts Processing   Vol. 123   page: 367 - 377   2020.9

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    DOI: 10.1016/j.fbp.2020.07.016

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  22. Atmospheric-Pressure Pulsed Discharge Plasma in a Slug Flow Reactor System for the Synthesis of Gold Nanoparticles Reviewed

    Yamada Motoki, Wahyudiono, Machmudah Siti, Kanda Hideki, Zhao Yaping, Goto Motonobu

    ACS OMEGA   Vol. 5 ( 28 ) page: 17679 - 17685   2020.7

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    DOI: 10.1021/acsomega.0c02217

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  23. Preparation of liposomes encapsulating beta-carotene using supercritical carbon dioxide with ultrasonication Reviewed

    Tanaka Yukako, Uemori Chiho, Kon Tatsuhiko, Honda Masaki, Wahyudiono, Machmudah Siti, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 161   2020.7

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    DOI: 10.1016/j.supflu.2020.104848

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  24. Nonthermal Atmospheric Pressure Plasma for Methylene Blue Dye Decolorization by Using Slug Flow Reactor System Reviewed

    Yamada Motoki, Wahyudiono, Machmudah Siti, Kanda Hideki, Goto Motonobu

    PLASMA CHEMISTRY AND PLASMA PROCESSING   Vol. 40 ( 4 ) page: 985 - 1000   2020.7

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    DOI: 10.1007/s11090-020-10066-2

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  25. One-Step Preparation of Z-Isomer-Rich beta-Carotene Nanosuspensions Utilizing a Natural Catalyst, Allyl Isothiocyanate, via Supercritical CO2 Reviewed

    Zhang Yelin, Honda Masaki, Fukaya Tetsuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    SYMMETRY-BASEL   Vol. 12 ( 5 )   2020.5

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    DOI: 10.3390/sym12050777

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  26. Ultrasonic-Enhanced Fabrication of Metal Nanoparticles by Laser Ablation in Liquid Reviewed

    Hu Xin, Takada Noriharu, Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH   Vol. 59 ( 16 ) page: 7512 - 7519   2020.4

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    DOI: 10.1021/acs.iecr.9b06384

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  27. Formation of Fine Particles from Curcumin/PVP by the Supercritical Antisolvent Process with a Coaxial Nozzle Reviewed

    Machmudah Siti, Winardi Sugeng, Wahyudiono, Kanda Hideki, Goto Motonobu

    ACS OMEGA   Vol. 5 ( 12 ) page: 6705 - 6714   2020.3

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    DOI: 10.1021/acsomega.9b04495

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  28. DC-Plasma over Aqueous Solution for the Synthesis of Titanium Dioxide Nanoparticles under Pressurized Argon Reviewed

    Wahyudiono, Kondo Hiroki, Yamada Motoki, Takada Noriharu, Machmudah Siti, Kanda Hideki, Goto Motonobu

    ACS OMEGA   Vol. 5 ( 10 ) page: 5443 - 5451   2020.3

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    DOI: 10.1021/acsomega.0c00059

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  29. Lipid extraction from microalgae covered with biomineralized cell walls using liquefied dimethyl ether Reviewed

    Kanda Hideki, Hoshino Rintaro, Murakami Kazuya, Wahyudiono, Zheng Qingxin, Goto Motonobu

    FUEL   Vol. 262   2020.2

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    DOI: 10.1016/j.fuel.2019.116590

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  30. Room-temperature extraction of direct coal liquefaction residue by liquefied dimethyl ether Reviewed

    Zheng Qingxin, Zhang Yelin, Wahyudiono, Fouquet Thierry, Zeng Xi, Kanda Hideki, Goto Motonobu

    FUEL   Vol. 262   2020.2

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    DOI: 10.1016/j.fuel.2019.116528

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  31. Enhanced production of beta-carotene suspensions using supercritical CO2 via naturally occurring Z-isomerization-accelerating catalyst Reviewed

    Zhang Yelin, Honda Masaki, Wahyudiono, Kanda Hideki, Goto Motonobu

    26TH REGIONAL SYMPOSIUM ON CHEMICAL ENGINEERING (RSCE 2019)   Vol. 778 ( 1 )   2020

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    DOI: 10.1088/1757-899X/778/1/012008

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  32. Synthesis and Modification of Metal Nanoparticles by Plasma over an Aqueous Solution under Pressurized Argon Reviewed

    Wahyudiono, Kondo Hiroki, Yamada Motoki, Takada Noriharu, Machmudah Siti, Kanda Hideki, Goto Motonobu

    26TH REGIONAL SYMPOSIUM ON CHEMICAL ENGINEERING (RSCE 2019)   Vol. 778 ( 1 )   2020

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    DOI: 10.1088/1757-899X/778/1/012018

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  33. Fabrication of chitosan particles through a coaxial nozzle under pressurized carbon dioxide Reviewed

    Wahyudiono, Anthony Susilo, Siti Machmudah, Hideki Kanda, Motonobu GotoC, Anthony Susilo, Siti Machmudah, Hideki Kanda, Motonobu Goto

    Asia-Pacific Journal of Chemical Engineering   Vol. 15   page: e2466   2020

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  34. Synthesis and Modification of Metal Nanoparticles by Plasma over an Aqueous Solution under Pressurized Argon Reviewed

    Wahyudiono, Hiroki Kondo, Motoki Yamada, Noriharu Takada, Siti Machmudah, Hideki Kanda, Motonobu Goto

    IOP Conference Series: Materials Science and Engineering   Vol. 778   page: 012018   2020

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  35. Micronization of hydrothermally extracted phytochemical compounds from Gracilaria sp using electrospraying

    Setyorini D., Machmudah S., Winardi S., Wahyudiono W., Goto M.

    Key Engineering Materials   Vol. 840 KEM   page: 173 - 179   2020

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    The hydrothermal extraction was carried out in a semi-batch extractor at a temperature of 160 °C, pressure of 7 MPa, and a water flow rate of 1 mL/min. Electrospraying was conducted at various voltages of 12, 14, and 16 kV, various distances between tip and collector of 6, 8 and 10 cm, precursor solution flow rate of 0.05 mL/h, and PVP concentrations of 6 and 8%. Particles obtained from electrospraying process were analyzed by SEM, FTIR, and spectrophotometer. The antioxidant efficiency (AE) of the particles was also examined. Based on the results, the morphology of particles was spherical with diameter less than 3 µm. The highest value of AE was 0.1058 min-1, which indicated that Gracilaria sp extract in the particles produced by electrospraying has good antioxidant activity. In the FTIR analysis, carrageenan and flavonoids were contained in the particles. The result indicated that hydrothermal extraction followed by electrospraying process could be one alternative process for obtaining the best phytochemical particles.

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  36. Correlation of extract composition on antioxidant activity of electrospun polyvinylpyrrolidone/bassela rubra linn leaf extract composite

    Septiani E.L., Gabriel A.A., Prastuti O.P., Indahsari D.N., Ariyanti E.D., Machmudah S., Winardi S., Wahyudiono , Kanda H., Goto M.

    Key Engineering Materials   Vol. 851 KEM   page: 122 - 127   2020

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    Nanofiber through electrospinning process has been developed as a promising material for wound dressing due to its large porosity and high surface area. This characteristic of nanofiber provides an adequate gas permeability surrounding the wound which prevents the healing failure. The best wound dressing not only maintain a wound to have a good gas permeability but also to have an active agent giving an antibacterial and antiinflammation property. This research aims to combine a synthetic polymer and active agent, polyvinylpyrrolidone (PVP) and Bassela rubra linn leaf extract (BRLE), become nanofibrous material. The electrospinning process was conducted in two steps. The first step is to obtain the best voltage of PVP electrospinning by using the voltage of 10, 12, 15, 17 kV. The other step is combining PVP to 2%, 5%, 8% of BRLE. The first step shows the best operation condition is using 12 kV. Hence, it is used to obtain nanofiber with different BRLE percentage. Based on 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay, the result indicates that increase the BRLE composition will rise the antioxidant activity because of the smaller diameter size.

    DOI: 10.4028/www.scientific.net/KEM.851.122

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  37. Pressurized hot water extraction of carrageenan and phenolic compounds from Eucheuma Cottonii and Gracilaria SP.: Effect of extraction conditions Reviewed

    Machmudah S.

    ARPN Journal of Engineering and Applied Sciences   Vol. 14 ( 18 ) page: 3113 - 3123   2019.9

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  38. Electrospraying technique under pressurized carbon dioxide for hollow particle production Reviewed

    Wahyudiono, Ozawa Hiroyuki, Machmudah Siti, Kanda Hideki, Goto Motonobu

    REACTIVE & FUNCTIONAL POLYMERS   Vol. 142   page: 44 - 52   2019.9

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    DOI: 10.1016/j.reactfunctpolym.2019.05.016

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  39. Improved carotenoid processing with sustainable solvents utilizing Z-isomerization-induced alteration in physicochemical properties: A review and future directions Reviewed

    Honda M.

    Molecules   Vol. 24 ( 11 )   2019.6

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    DOI: 10.3390/molecules24112149

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  40. NUMERICAL STUDY OF THE HYDRODYNAMIC CHARACTERISTICS IN AN AGITATED TANK WITH SIDE-ENTRY MIXER: THE EFFECT OF STIRRER ENTRY ANGLE Reviewed

    Fathonah Ni'am N., Nurtono Tantular, Kusdianto, Madhania Suci, Wahyudiono, Winardi Sugeng

    INTERNATIONAL JOURNAL OF TECHNOLOGY   Vol. 10 ( 3 ) page: 521 - 530   2019.5

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    DOI: 10.14716/ijtech.v10i3.2925

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  41. HYDROTHERMAL AND SOLVOTHERMAL SYNTHESIS OF CERIUM-ZIRCONIUM OXIDES FOR CATALYST APPLICATIONS Reviewed

    Machmudah Siti, Ceaser Muhamad Risky, Alwajdy Muhammad Fareid, Widiyastuti, Winardi Sugeng, Wahyudiono, Kanda Hideki, Goto Motonobu

    INTERNATIONAL JOURNAL OF TECHNOLOGY   Vol. 10 ( 3 ) page: 582 - 592   2019.5

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    DOI: 10.14716/ijtech.v10i3.2930

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  42. Particle micronization of Curcuma mangga rhizomes ethanolic extract/biopolymer PVP using supercritical antisolvent process Reviewed

    Lestari Sarah Duta, Machmudah Siti, Winardi Sugeng, Wahyudiono, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 146   page: 226 - 239   2019.4

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    DOI: 10.1016/j.supflu.2018.10.017

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  43. Atmospheric-pressure pulsed discharge plasma in capillary slug flow system for dye decomposition Reviewed

    Wahyudiono, Mano Kakeru, Hayashi Yui, Yamada Motoki, Takahashi Shigenori, Takada Noriharu, Kanda Hideki, Goto Motonobu

    CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION   Vol. 135   page: 133 - 140   2019.1

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    DOI: 10.1016/j.cep.2018.11.023

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  44. Synthesis of silver nanoparticles by atmospheric-pressure pulsed discharge plasma in a slug flow system Reviewed

    Yamada Motoki, Takahashi Shigenori, Wahyudiono, Takada Noriharu, Kanda Hideki, Goto Motonobu

    JAPANESE JOURNAL OF APPLIED PHYSICS   Vol. 58 ( 1 )   2019.1

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    DOI: 10.7567/1347-4065/aaec1b

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  45. Microparticles formation of ganoderma lucidumextract by electrospraying method Reviewed

    Machmudah S.

    ASEAN Journal of Chemical Engineering   Vol. 19 ( 2 ) page: 74 - 82   2019

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    DOI: 10.22146/ajche.52004

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  46. Electrospraying Micronization of Phytochemical Compounds Extract from Eucheuma cottonii Reviewed

    Dwi Setyorini, Siti Machmudah, Sugeng Winardi, Kusdianto Kusdianto, Wahyudiono, Hideki Kanda, Motonobu Goto

    Jurnal Teknik ITS   Vol. 8 ( 2 ) page: F68 - F73   2019

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  47. Sorption efficiency in dye removal and thermal stability of sorghum stem aerogel

    Septiani E.L., Prastuti O.P., Kurniati Y., Fauziyah M., Widiyastuti , Setyawan H., Wahyudiono , Kanda H., Goto M.

    Materials Science Forum   Vol. 966 MSF   page: 175 - 180   2019

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    Agroindustry waste containing cellulose compound, Sorghum stem, was utilized to become cellulose aerogel which was then used as dye absorbent in textile dye wastewater. Cellulose was prepared by sorghum stem powder delignification using 6%w of NaOH solution. The ratio of powder and NaOH was varied in 1:12, 1:15, and 1:20. After this process, the powder was synthesized with NaOH/Urea to produce an aerogel by the freeze-drying method. The result shows that a higher amount of NaOH in the delignification process could increase aerogel density and decrease the porosity. Thermal stability and sorption efficiency of the aerogel was analyzed in this study. Higher porosity of aerogel tends to raise % removal in methylene blue absorption. This study reveals that aerogel three times more effective than activated carbon in dye removal.

    DOI: 10.4028/www.scientific.net/MSF.966.175

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  48. Development of separation technology for valuable oil mixture of citrus juice waste Reviewed

    Sasaki Y.

    ARPN Journal of Engineering and Applied Sciences   Vol. 13 ( 23 ) page: 9237 - 9243   2018.12

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  49. Micronization for enhancement of curcumin dissolution via electrospraying technique Reviewed

    Chhouk K.

    ChemEngineering   Vol. 2 ( 4 ) page: 1 - 10   2018.12

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    DOI: 10.3390/chemengineering2040060

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  50. Enhanced Solubility and Reduced Crystallinity of Carotenoids, beta-Carotene and Astaxanthin, by Z-Isomerization Reviewed

    Honda Masaki, Kodama Tomohiko, Kageyama Hakuto, Hibino Takashi, Wahyudiono, Kanda Hideki, Goto Motonobu

    EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY   Vol. 120 ( 11 )   2018.11

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    DOI: 10.1002/ejlt.201800191

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  51. Consideration Of Au-Carbon nanoparticles by laser ablation under supercritical CO<inf>2</inf> Reviewed

    Mardis M.

    ARPN Journal of Engineering and Applied Sciences   Vol. 13 ( 20 ) page: 8343 - 8347   2018.10

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  52. Supercritical Fluids Extraction of Valuable Compounds from Algae: Future Perspectives and Challenges Reviewed

    Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    ENGINEERING JOURNAL-THAILAND   Vol. 22 ( 5 ) page: 13 - 30   2018.9

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    DOI: 10.4186/ej.2018.22.5.13

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  53. Lipids from Vitellaria paradoxa Gaertn Seeds by Supercritical CO2: Extraction and Optimization of Parameters by Response Surface Methodology Reviewed

    Yamamoto Naomasa, Murakami Kazuya, Kimthet Chhouk, Wahyudiono, Onwona-Agyeman Siaw, Kanda Hideki, Goto Motonobu

    ENGINEERING JOURNAL-THAILAND   Vol. 22 ( 5 ) page: 31 - 44   2018.9

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    DOI: 10.4186/ej.2018.22.5.31

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  54. Production of beta-carotene nanosuspensions using supercritical CO2 and improvement of its efficiency by Z-isomerization pre-treatment Reviewed

    Ono Maiko, Honda Masaki, Wahyudiono, Yasuda Keiji, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 138   page: 124 - 131   2018.8

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    DOI: 10.1016/j.supflu.2018.04.006

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  55. Microwave-Accelerated Z-Isomerization of (all-E)-Lycopene in Tomato Oleoresin and Enhancement of the Conversion by Vegetable Oils Containing Disulfide Compounds Reviewed

    Honda Masaki, Sato Haruka, Takehara Munenori, Inoue Yoshinori, Kitamura Chitoshi, Takemura Ryota, Fukaya Tetsuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY   Vol. 120 ( 7 )   2018.7

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    DOI: 10.1002/ejlt.201800060

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  56. Effect of thermal treatment and light irradiation on the stability of lycopene with high Z-isomers content Reviewed

    Murakami Kazuya, Honda Masaki, Takemura Ryota, Fukaya Tetsuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    FOOD CHEMISTRY   Vol. 250   page: 253 - 258   2018.6

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    DOI: 10.1016/j.foodchem.2018.01.062

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  57. Nanoparticle formation of PVP/astaxanthin inclusion complex by solution enhanced dispersion by supercritical fluids (SEDS): Effect of PVP and astaxanthin Z-isomer content Reviewed

    Kaga Kahori, Honda Masaki, Adachi Tomoki, Honjo Masatoshi, Wahyudiono, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 136   page: 44 - 51   2018.6

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    DOI: 10.1016/j.supflu.2018.02.008

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  58. Glycine oligomerization by pulsed discharge plasma over aqueous solution under atmospheric pressure

    Hayashi Y., Diono W., Takada N., Kanda H., Goto M.

    ChemEngineering   Vol. 2 ( 2 ) page: 1 - 11   2018.6

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    Chemical reactions of amino acids induced by discharge plasma are important for understanding the mechanism of biological effects of discharge plasma in biomedical applications. In this study, we generated a nano-second pulsed discharge plasma under atmospheric pressure over an aqueous solution containing glycine. The reaction products after the pulsed discharge plasma treatments were analyzed by high-performance liquid chromatography and matrix-assisted laser desorption/ionization time-of-flight mass spectroscopy. The oligomerization reaction of glycine was induced in aqueous solution and produced glycine oligomers at the beginning of the discharge plasma. However, the glycine oligomers were decomposed into products with low molecular weight by excessive pulsed discharge plasma. According to comparative experiments, physical force of the plasma is believed to induce the glycine reaction. Moreover, the reactions depended on the pH, but not the conductivity, of the glycine solution. Glycine in aqueous solution was reacted by the discharge plasma only at neutral pH because the reaction proceeded only when glycine ions were in the zwitterionic state. Anions and cations of glycine reacted very little under the discharge plasma.

    DOI: 10.3390/chemengineering2020017

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  59. Crystallization of All trans-beta-carotene by Supercritical Carbon Dioxide Antisolvent via Co-axial Nozzle Reviewed

    Kodama Tomohiko, Honda Masaki, Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    ENGINEERING JOURNAL-THAILAND   Vol. 22 ( 3 ) page: 25 - 38   2018.5

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    DOI: 10.4186/ej.2018.22.3.25

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  60. Efficacy of supercritical carbon dioxide integrated hydrothermal extraction of Khmer medicinal plants with potential pharmaceutical activity Reviewed

    Chhouk Kimthet, Wahyudiono, Kanda Hideki, Goto Motonobu

    JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING   Vol. 6 ( 2 ) page: 2944 - 2956   2018.4

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    DOI: 10.1016/j.jece.2018.04.036

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  61. Electrospinning of poly(vinyl pyrrolidone) fibers containing metal oxide nanoparticles under dense CO2 Reviewed

    Ozawa Hiroyuki, Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    RESEARCH ON CHEMICAL INTERMEDIATES   Vol. 44 ( 4 ) page: 2215 - 2230   2018.4

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    DOI: 10.1007/s11164-017-3224-9

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  62. Extraction of Phytochemical Compounds from Eucheuma cottonii and Gracilaria sp using Supercritical CO<inf>2</inf> Followed by Subcritical Water

    Setyorini D., Aanisah R., Machmudah S., Winardi S., Wahyudiono, Kanda H., Goto M.

    MATEC Web of Conferences   Vol. 156   2018.3

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    Extraction of phytochemical compounds (such as β-carotene, linoleic acids, carrageenan, and polyphenols) from algae Eucheuma cottonii and Gracilaria sp with supercritical CO2 followed by subcritical water has been investigated. Supercritical CO2 extraction was carried out at pressure of 25 MPa, temperature of 60°C, CO2 flowrate of 15 ml/min, and ethanol flowrate of 0.25 ml/min. To determine the content of carotenoids and linoleic acids, the extracted compounds were analyzed using a spectrophotometer UV-Vis. The residue of algae starting material was subsequently extracted by subcritical water at pressures of 3, 5, and 7 MPa, and temperatures of 120, 140, 160, and 180 °C. Carrageenan extracted by subcritical water was analyzed using Fourier Transform Infra Red (FTIR), while the total phenolic compound was analyzed with UV-vis spectrophotometer. Moreover, the antioxidant efficiency of extract was also examined by DPPH assay method. Based on the analytical result, β-carotene and linoleic acid content in Eucheuma cottonii were 209.91 and 321.025 μg/g sample, respectively. While β-carotene and linoleic acid content in Gracilaria sp were 219.99 and 286.52 μg/g sample, respectively. The optimum condition of subcritical water extraction was at 180°C and 7 MPa. At this condition, the highest TPC content in the extract from Eucheuma cottonii and Gracilaria sp were 18.51 mg GAE/g sample and 22.47 mg GAE/g sample, respectively; while the highest yield of carrageenan extracted from Eucheuma cottonii and Gracilaria sp were 61.33 and 65.54 g/100 g dried algae, respectively. At the same condition, the antioxidant efficiency was 0.513 min-1 for Eucheuma cottonii and 0,277 min-1 for Gracilaria sp. Based on the results the extraction method effectively separated non-polar and polar compounds, then increased the antioxidant efficiency of extract.

    DOI: 10.1051/matecconf/201815603051

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  63. Synthesis of Ceria Zirconia Oxides using Solvothermal Treatment

    Machmudah S., Widiyastuti, Winardi S., Wahyudiono, Kanda H., Goto M.

    MATEC Web of Conferences   Vol. 156   2018.3

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    Ceria oxide (CeO2) is widely used as catalyst with high oxygen storage capacity at low temperature. The addition of zirconia oxide (ZrO2) to CeO2 can enhance oxygen storage capacity as well as thermal stability. In this work, ceria zirconia oxides has been synthesized via a low temperature solvothermal treatment in order to produce ceria zirconia oxides composite with high oxygen storage capacity as electrolyte of solid oxide fuel cells (SOFC). Under solvothermal conditions, solvent may control the direction of crystal growth, morphology, particle size and size distribution, because of the controllability of thermodynamics and transport properties by pressure and temperature. Water, mixed of water and ethanol (70/30 vol/vol), and mixed of water and ethylene glycol (70/30 vol/vol) were used as solvent, while Ce(NO3)3 and ZrO(NO3)2 with 0.06 M concentration were used as precursor. The experiments were conducted at temperature of 150 °C and pressure for 2 h in a Teflon-lined autoclave of 100 mL volume. The synthesized products were dried at 60 °C for 6 and 12 h and then calcined at 900 °C for 6 h. The particle products were characterized using SEM, XRD, TG/DTA, and Potentiostat. The results showed that the morphology of particles formed were affected by the solvent. Solid plate shaped particles were produced in water, and tend to be pore with the addition of ethylene glycol. The addition of ethanol decreased the size of particles with sphere shaped. The XRD pattern indicated that ceria-zirconia oxides particles are uniformly distributed in the structure to form a homogeneous solid solution. Based on the electrochemical analysis, ceria zirconia oxides produced via solvothermal synthesis had high conductivity ion of 0.5594 S/cm, which is higher than minimum conductivity ion requirement of 0.01 S/cm for SOFC electrolyte. It indicated that ceria zirconia oxides produced via solvothermal synthesis is suitable for SOFC electrolyte.

    DOI: 10.1051/matecconf/201815605014

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  64. Micronization of curcumin with biodegradable polymer by supercritical anti-solvent using micro swirl mixer Reviewed

    Chhouk Kimthet, Wahyudiono, Kanda Hideki, Kawasaki Shin-Ichro, Goto Motonobu

    FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING   Vol. 12 ( 1 ) page: 184 - 193   2018.3

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    DOI: 10.1007/s11705-017-1678-3

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  65. Effect of the Z-isomer content on nanoparticle production of lycopene using solution-enhanced dispersion by supercritical fluids (SEDS) Reviewed

    Kodama Tomohiko, Honda Masaki, Takemura Ryota, Fukaya Tetsuya, Uemori Chiho, Wahyudiono, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 133   page: 291 - 296   2018.3

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    DOI: 10.1016/j.supflu.2017.10.028

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  66. Subcritical water extraction enhancement by adding deep eutectic solvent for extracting xanthone from mangosteen pericarps Reviewed

    Machmudah Siti, Lestari Sarah Duta, Widiyastuti, Wahyudiono, Kanda Hideki, Winardi Sugeng, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 133   page: 615 - 624   2018.3

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    DOI: 10.1016/j.supflu.2017.06.012

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  67. Crystallization of acetaminophen in nano/micro scale using swirl mixing micro device under pressurized carbon dioxide

    Uemori C., Kodama T., Machmudah S., Wahyudiono, Kanda H., Goto M.

    ARPN Journal of Engineering and Applied Sciences   Vol. 13 ( 4 ) page: 1340 - 1349   2018.2

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    The fabrication of acetaminophen particles via supercritical antisolvent process with CO2 as an antisolvent was studied. The experiments were conducted at temperatures of 35-50 °C and pressures of 8-15 MPa with 5-15 ml/min CO2 flow rates. As a starting material, acetaminophen powder was dissolved in dimethyl formamide (DMF). Results of UV-vis spectrophotometry and GC-MS (gas chromatography mass spectrometry) analysis showed that there was no remaining DMF solvent in the acetaminophen particles products. It indicated that CO2 has successfully removed DMF from acetaminophen particles products. The surface characterization by using fourier transform infrared spectroscopy (FT-IR) showed that the CO2 solvent did not impregnate to the acetaminophen particles products. Results from scanning electron microscope (SEM) images showed that the acetaminophen particles products were successfully prepared in non-spherical shape morphologies with size less than 1 μm. Based on the result; this process seems a powerful method to modify the acetaminophen powder physically such as particle size reduction.

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  68. Enhanced Lycopene Extraction from Gac (Momordica cochinchinensis Spreng.) by the Z-Isomerization Induced with Microwave Irradiation Pre-Treatment Reviewed

    Honda Masaki, Watanabe Yo, Murakami Kazuya, Nguyen Ngoc Hoang, Wahyudiono, Kanda Hideki, Goto Motonobu

    EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY   Vol. 120 ( 2 )   2018.2

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    DOI: 10.1002/ejlt.201700293

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  69. Formation of Au-carbon nanoparticles by laser ablation under pressurized CO2 Reviewed

    Mardis Mardiansyah, Wahyudiono, Takada Noriharu, Kanda Hideki, Goto Motonobu

    ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING   Vol. 13 ( 2 )   2018

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    DOI: 10.1002/apj.2176

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  70. Rapid and Selective Concentration of Lycopene Z-isomers from Tomato Pulp by Supercritical CO2 with Co-solvents Reviewed

    Watanabe Yo, Honda Masaki, Higashiura Takuma, Fukaya Tetsuya, Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN   Vol. 25 ( 1 ) page: 47 - 57   2018

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    DOI: 10.15261/serdj.25.47

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  71. Thermal isomerization pre-treatment to improve lycopene extraction from tomato pulp Reviewed

    Honda Masaki, Watanabe Yo, Murakami Kazuya, Takemura Ryota, Fukaya Tetsuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    LWT-FOOD SCIENCE AND TECHNOLOGY   Vol. 86   page: 69 - 75   2017.12

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    DOI: 10.1016/j.lwt.2017.07.046

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  72. The thermal Z-isomerization-induced change in solubility and physical properties of (all-E)-lycopene Reviewed

    Murakami Kazuya, Honda Masaki, Takemura Ryota, Fukaya Tetsuya, Kubota Mitsuhiro, Wahyudiono, Kanda Hideki, Goto Motonobu

    BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS   Vol. 491 ( 2 ) page: 317 - 322   2017.9

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    DOI: 10.1016/j.bbrc.2017.07.103

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  73. Comparison of Conventional and Ultrasound Assisted Supercritical Carbon Dioxide Extraction of Curcumin from Turmeric (Curcuma longa L.) Reviewed

    Chhouk Kimthet, Wahyudiono, Kanda Hideki, Goto Motonobu

    ENGINEERING JOURNAL-THAILAND   Vol. 21 ( 5 ) page: 53 - 65   2017.9

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    DOI: 10.4186/ej.2017.21.5.53

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  74. The E/Z isomer ratio of lycopene in foods and effect of heating with edible oils and fats on isomerization of (all-E)-lycopene Reviewed

    Honda Masaki, Murakami Kazuya, Watanabe Yo, Higashiura Takuma, Fukaya Tetsuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY   Vol. 119 ( 8 )   2017.8

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    DOI: 10.1002/ejlt.201600389

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  75. Extraction of phenolic compounds and antioxidant activity from garlic husk using carbon dioxide expanded ethanol Reviewed

    Chhouk Kimthet, Uemori Chiho, Wahyudiono, Kanda Hideki, Goto Motonobu

    CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION   Vol. 117   page: 113 - 119   2017.7

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    DOI: 10.1016/j.cep.2017.03.023

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  76. One-step synthesis of water-dispersible carbon nanocapsules by pulsed arc discharge over aqueous solution under pressurized argon Reviewed

    Hayashi Yui, Takada Noriharu, Wahyudiono, Kanda Hideki, Goto Motonobu

    RESEARCH ON CHEMICAL INTERMEDIATES   Vol. 43 ( 7 ) page: 4201 - 4211   2017.7

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    DOI: 10.1007/s11164-017-2879-6

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  77. Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide Reviewed

    Ono Maiko, Kawamoto Yukihiro, Uemori Chiho, Wahyudiono, Kanda Hideki, Goto Motonobu

    ENGINEERING JOURNAL-THAILAND   Vol. 21 ( 4 ) page: 53 - 64   2017.7

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    DOI: 10.4186/ej.2017.21.4.53

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  78. Esterification of high free fatty acids in supercritical methanol using sulfated angel wing shells as catalyst Reviewed

    Syazwani O. Nur, Ibrahim M. Lokman, Wahyudiono, Kanda Hideki, Goto Motonobu, Taufiq-Yap Y. H.

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 124   page: 1 - 9   2017.6

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    DOI: 10.1016/j.supflu.2017.01.002

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  79. Fluorine-doped tin oxide catalyst for glycerol conversion to methanol in sub-critical water Reviewed

    Samad Wan Zurina, Gotob Motonobu, Kanda Hideki, Wahyudiono, Nordin Norazzizi, Liew Kin Hong, Yarmo Mohd Ambar, Yusop Muhammad Rahimi

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 120   page: 366 - 378   2017.2

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    DOI: 10.1016/j.supflu.2016.05.041

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  80. Synthesis of hydrophilic carbon nanoparticles from amino acids by pulsed arc discharge over aqueous solution in argon under near-critical pressure Reviewed

    Hayashi Yui, Takada Noriharu, Wahyudiono, Kanda Hideki, Goto Motonobu

    JOURNAL OF SUPERCRITICAL FLUIDS   Vol. 120   page: 403 - 407   2017.2

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    DOI: 10.1016/j.supflu.2016.07.008

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  81. Hydrogen Peroxide Formation by Electric Discharge with Fine Bubbles Reviewed

    Hayashi Yui, Takada Noriharu, Wahyudiono, Kanda Hideki, Goto Motonobu

    PLASMA CHEMISTRY AND PLASMA PROCESSING   Vol. 37 ( 1 ) page: 125 - 135   2017.1

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s11090-016-9767-5

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  82. Extraction of Curcumin From Curcuma longa L. Using Ultrasound Assisted Supercritical Carbon Dioxide Reviewed

    Kimthet Chhouk, Wahyudiono, Kanda Hideki, Goto Motonobu

    INTERNATIONAL SEMINAR ON FUNDAMENTAL AND APPLICATION OF CHEMICAL ENGINEERING 2016 (ISFACHE 2016)   Vol. 1840   2017

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    DOI: 10.1063/1.4982318

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  83. Thermal isomerization of (all-E)-lycopene and separation of the Z-isomers by using a low boiling solvent: Dimethyl ether Reviewed

    Murakami Kazuya, Honda Masaki, Wahyudiono, Kanda Hideki, Goto Motonobu

    SEPARATION SCIENCE AND TECHNOLOGY   Vol. 52 ( 16 ) page: 2573 - 2582   2017

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    DOI: 10.1080/01496395.2017.1374412

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  84. Extraction of lipids from wet Arthrospira platensis by liquefied dimethyl ether Reviewed

    Hoshino R.

    Solvent Extraction Research and Development   Vol. 24 ( 1 ) page: 47 - 60   2017

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    DOI: 10.15261/serdj.24.47

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  85. Extraction of Lipids from Wet Arthrospira platensis by Liquefied Dimethyl Ether Reviewed

    Hoshino Rintaro, Ogawa Masaki, Murakami Kazuya, Wahyudiono, Kanda Hideki, Goto Motonobu

    SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN   Vol. 24   page: 47-60   2017

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  86. Hydrolysis of Biopolymers in Near-Critical and Subcritical Water Reviewed

    Machmudah Siti, Wahyudiono, Kanda Hideki, Goto Motonobu

    WATER EXTRACTION OF BIOACTIVE COMPOUNDS: FROM PLANTS TO DRUG DEVELOPMENT     page: 69 - 107   2017

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    DOI: 10.1016/B978-0-12-809380-1.00003-6

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  87. The E/Z isomer ratio of lycopene in foods and effect of heating with edible oils and fats on isomerization of (all-E)-lycopene. Reviewed

    Masaki Honda, Kazuya Murakami, Yo Watanabe, Takuma Higashiura, Tetsuya Fukaya, Wahyudiono, Hideki Kanda, Motonobu Goto.

    European Journal of Lipid Science and Technology   Vol. 119   page: 1600389(1-9)   2017

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  88. Production of Liposome from Sphingomyelin by Ultrasonic Device under Supercritical Carbon Dioxide. Reviewed

    Chiho Uemori, Tsubasa Katsube, Siti Machmudah, Wahyudiono, Hideki Kanda, Keiji Yasuda, Motonobu Goto.

    Asian Journal of Applied Sciences   Vol. 5 ( 5 ) page: 1042-1048   2017

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  89. Sub-And supercritical fluids extraction of phytochemical compounds from eucheuma cottonii and gracilaria sp Reviewed

    Machmudah S.

    Chemical Engineering Transactions   Vol. 56   page: 1291 - 1296   2017

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    DOI: 10.3303/CET1756216

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  90. Reaction of Cl- Ions in Electrolyte Solution Induced Electrical Discharge Plasma in the Presence of Argon Fine Bubbles Reviewed

    Hayashi Yui, Takada Noriharu, Wahyudiono, Kanda Hideki, Goto Motonobu

    INTERNATIONAL SEMINAR ON FUNDAMENTAL AND APPLICATION OF CHEMICAL ENGINEERING 2016 (ISFACHE 2016)   Vol. 1840   2017

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    DOI: 10.1063/1.4982259

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  91. Hydrothermal Extraction of Antioxidant Compounds From Mangosteen Pericarp With Low-Transition-Temperature Mixture and Sonication Pretreatment Reviewed

    Machmudah Siti, Widiyastuti, Nurtono Tantular, Winardi Sugeng, Wahyudiono, Kanda Hideki, Goto Motonobu

    INTERNATIONAL SEMINAR ON FUNDAMENTAL AND APPLICATION OF CHEMICAL ENGINEERING 2016 (ISFACHE 2016)   Vol. 1840   2017

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    DOI: 10.1063/1.4982289

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  92. Integrated Process for beta-glucan Concentrate from Ganoderma lucidum by Extraction and Micronization. Reviewed

    Siti Machmudah, Shoko Kodama, Wahyudiono, Hideki Kanda, Motonobu Goto.

    American Chemical Science Journal   Vol. 11 ( 4 ) page: Article no. ACSJ.22842 (8pp)   2016

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  93. Functional Ingredients Extraction from Citrus Genkou by Supercritical Carbon Dioxide. Reviewed

    Yukihiro Kawamoto, Yuriko Suidou, Takuya Suetsugu, Arata Takamizu, Masahiro Tanaka, Wahyudiono, Hideki Kanda, Motonobu Goto, Munehiro

    Asian Journal of Applied Sciences   Vol. 4 ( 4 ) page: 833-838   2016

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  94. Hydrothermal extraction of phytochemical compounds from polygonum cuspidatum roots in a semi-batch reactor system. Reviewed

    Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    ARPN Journal of Engineering and Applied Sciences   Vol. 11   page: 8509-8518   2016

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  95. Generation of Multi-hollow Structured Poly(methyl methacrylate) Fibers by Electrospinning under Pressurized CO2. Reviewed

    Wahyudiono, Koichi Okamoto, Siti Machmudah, Hideki Kanda, Motonobu Goto.

    Polymer Engineering & Science   Vol. 56 ( 7 ) page: 752-759   2016

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  96. Macroporous Zirconia Particles Prepared by Subcritical Water in Batch and Flow Processes. Reviewed

    Siti Machmudah, Okky Putri Prastuti, Widiyastuti, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

    Research on Chemical Intermediates   Vol. 42 ( 6 ) page: 5367-5385   2016

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  97. Nickel Nanoparticles Generated by Pulsed Laser Ablation in Liquid CO2 Reviewed

    Mardiansyah Mardis, Noriharu Takada, Siti Machmudah, Wahyudiono, Koichi Sasaki, Hideki Kanda, Motonobu Goto.

    Research on Chemical Intermediates   Vol. 42 ( 5 ) page: 4581-4590   2016

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  98. An Innovative Method for the Extraction of Phenolic Compounds from Polygonum Cuspidatum. Reviewed

    Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Asian Journal of Applied Sciences   Vol. 4 ( 2 ) page: 339-347   2016

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  99. Extraction of beta-glucan by Hydrothermal Liquidization of Barley Grain in a Semi-Batch Reactor. Reviewed

    Shoko Kodama, Tetsuya Shoda, Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Separation Science and Technology   Vol. 51 ( 2 ) page: 278-289   2016

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  100. Extraction of phytochemicals from saffron by supercritical carbon dioxide with water and methanol as entrainer. Reviewed

    Hazuki Nerome, Mika Ito, Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    The Journal of Supercritical Fluids   Vol. 107   page: 377-383   2016

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  101. Economical wet extraction of lipid from labyrinthulea Aurantiochytrium limacinum by using liquefied dimethyl ether. Reviewed

    Rintaro Hoshino, Kazuya Murakami, Wahyudiono, Siti Machmudah, Yuji Okita, Eiji Ohashi, Hideki Kanda, Motonobu Goto.

    Engineering Journal   Vol. 20 ( 4 ) page: 145-153   2016

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  102. Effect of solvent on nanoparticle production of β-carotene by a supercritical anti-solvent process. Reviewed

    Hazuki Nerome, Siti Machmudah, Wahyudiono, Ryuichi Fukuzato, Takuma Higashiura, Hideki Kanda, Motonobu Goto.

    Chemical Engineering & Technology   Vol. 39 ( 10 ) page: 1771-1777   2016

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  103. Extraction of carotenoids and lipids from algae by supercritical CO2 and subcritical dimethyl ether. Reviewed

    Motonobu Goto, Hideki Kanda, Wahyudiono, Siti Machmudah.

    The Journal of Supercritical Fluids   Vol. 96   page: 245-251   2015

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  104. Subcritical Water Extraction of Xanthone from Mangosteen (Garcinia Mangostana Linn) Pericarp. Reviewed

    Siti Machmudah, Widiyastuti, Wahyudiono, Hideki Kanda, Sugeng Winardi, Motonobu Goto.

    Journal of Advanced Chemical Engineering   Vol. 5 ( 1 ) page: 117   2015

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  105. Mechanism of Macroporous Zirconia Particles Formation Prepared by Hydrothermal Synthesis. Reviewed

    Siti Machmudah, Okky Putri Prastuti, Widiyastuti, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Advanced Materials Research   Vol. 1112   page: 538-541   2015

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  106. Preparation of Ceria-Zirconia Mixed Oxide by Hydrothermal Synthesis. Reviewed

    Siti Machmudah, M. Akmal Hadian, Lenno Samodro K., Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Modern Applied Science   Vol. 9 ( 7 ) page: 134-139   2015

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  107. Subcritical water extraction of polysaccharides using semi-batch extractor. Reviewed

    Shoko Kodama, tetsuya Shoda, Wahyudiono, Siti Machmudah, Hideki Kanda, Motonobu Goto.

    Modern Applied Science   Vol. 9 ( 7 ) page: 220-224   2015

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  108. Magnetite Thin Film on Mild Steel Formed by Hydrothermal Electrolysis for Corrosion Prevention. Reviewed

    Siti Machmudah, Rizka Zulhijah, Wahyudiono, Heru Setyawan, Hideki Kanda, Motonobu Goto.

    Chemical Engineering Journal   Vol. 268   page: 76-85   2015

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  109. Hot Compressed Water Extraction of Lignin by Using a Flow-Through Reactor. Reviewed

    Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Engineering Journal   Vol. 19 ( 4 ) page: 22-44   2015

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  110. Enhancing Pressurized Water Extraction of beta-glucan from Barley Grain by Adding CO2 under Hydrothermal Conditions. Reviewed

    Shoko Kodama, Tetsuya Shoda, Siti Machmudah, Wahyudiono, Hideki Kanda, Motonobu Goto.

    Chemical Engineering and Processing: Process Intensification   Vol. 97   page: 45-54   2015

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  111. Extraction of valuable compounds from mangosteen pericarps by hydrothermal assisted sonication. Reviewed

    Siti Machmudah, Sarah Duta Lestari, Qifni Yasa' Ash Shiddiqi, Widiyastuti, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto.

    AIP Conference Proceedings   Vol. 1699   page: 060008-7pp   2015

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  112. Hydrophilic polymer composites synthesized by electrospinning under dense carbon dioxide. Reviewed

    Wahyudiono, Koichi Okamoto, Siti Machmudah, Hideki Kanda, Motonobu Goto.

    AIP Conference Proceedings   Vol. 1699   page: 040010-7pp   2015

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  113. Characteristics of optical emission intensities and bubble-like phenomena induced by laser ablation in supercritical fluids. Reviewed

    Noriharu Takada, Siti Machmudah, Wahyudiono, Motonobu Goto, Koichi Sasaki

    Japanese Journal of Applied Physics   Vol. 53 ( 1 ) page: 010213   2014

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  114. Hot Compressed Water Extraction of Polysaccharides from Ganoderma Lucidum using a Semi-Batch Reactor. Reviewed

    Yui Matsunaga, Wahyudiono, Siti Machmudah, Mitsuru Sasaki, Motonobu Goto.

    Asia-Pacific J. Chem. Eng   Vol. 9 ( 1 ) page: 125-133   2014

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  115. Decomposition of Methyl Orange using Pulsed Discharge Plasma at Atmospheric Pressure: Effect of Different Electrodes. Reviewed

    Yui Hayashi, Wahyudiono, Siti Machmudah, Noriharu Takada, Hideki Kanda, Koichi Sasaki, Motonobu Goto.

    Japanese Journal of Applied Physics   Vol. 53   page: 010212   2014

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  116. Simultaneous extraction of valuable substances and water from citrus pomace using liquefied dimethyl ether. Reviewed

    Rintaro Hoshino, Wahyudiono, Siti Machmudah, Hideki Kanda, Motonobu Goto.

    Proceedings of the 2nd International Seminar on Fundamental & Application of Chemical Engineering   Vol. I 03   page: 03   2014

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  117. Simultaneous extraction of water and essential oil from citrus leaves and peels using liquefied dimethyl ether. Reviewed

    Rintaro Hoshino, Wahyudiono, Siti Machmdah, Hideki Kanda, Motonobu Goto.

    Journal of Nutrition & Food Sciences   Vol. 4   page: 1000301   2014

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  118. Extraction of lipids and astaxanthin from wet Haematococcus pluvialis by liquefied dimethyl ether. Reviewed

    Panatpong Boonnoun, Yuko Kurita, Yuichi Kamo, Wahyudiono, Siti Machmudah, Yuji Okita, Eiji Ohashi, Hideki Kanda, Motonobu Goto.

    Journal of Nutrition & Food Sciences   Vol. 4   page: 1000305   2014

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  119. Simultaneous extraction of water and valuable substances from citrus leaves and peel using liquefied dimethyl ether. Reviewed

    Rintaro Hoshino, Wahyudiono, Siti Machmudah, Hideki Kanda, Motonobu Goto.

    Proceedings of European meetings on Supercritical Fluids     page: LSH33   2014

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  120. Micronization of fat-soluble functional pigment using supercritical carbon dioxide as anti-solvent. Reviewed

    Hazuki Nerome, Siti Machmudah, Wahyudiono, Ryuichi Fukuzato, Takuma Higashiura, Hideki Kanda, Motonobu Goto.

    Proceedings of European meetings on Supercritical Fluids     page: LSH34   2014

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  121. Extraction of fucoxanthin from raw macroalgae excluding drying and cell wall disruption by liquefied dimethyl ether. Reviewed

    Hideki Kanda, Yuichi Kamo, Siti Machmudah, Wahyudiono, Motonobu Goto.

    Marine Drugs   Vol. 12   page: 2383-2396   2014

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  122. Extraction of rice bran oil by supercritical carbon dioxide and solubility consideration. Reviewed

    Karin Tomita, Siti Machmudah, Wahyudiono, Ryuichi Fukuzato, Hideki Kanda, Armando T. Quitain, Mitsuru Sasaki, Motonobu Goto.

    Separation and Purification Technology   Vol. 125   page: 319-325   2014

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  123. Formation of PVP Hollow Fibers by Electrospinning in One-Step Process at Sub and Supercritical CO2. Reviewed

    Wahyudiono, Siti Machmudah, Hideki Kanda, Satoko Okubayashi, Motonobu Goto.

    Chemical Engineering and Processing: Process Intensification   Vol. 77   page: 1-6   2014

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  124. Fabrication of micro-hollow fiber by electrospinning process in near-critical carbon dioxide. Reviewed

    Koichi Okamoto, Wahyudiono, Siti Machmudah, Hideki Kanda, Satoko Okubayashi, Ryuichi Fukuzato, Motonobu Goto.

    AIP Conference Proceedings   Vol. 1586 ( 1 ) page: 43-47   2014

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  125. Subcritical water extraction and direct formation of microparticulate polysaccharide powders from Ganoderma lucidum. Reviewed

    Yui Matsunaga, Siti Machmudah, Wahyudiono, Hideki Kanda, Mitsuru Sasaki, Motonobu Goto.

    International Journal of Technology   Vol. 5 ( 1 ) page: 40-50   2014

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  126. Synthesis of ZrO2 nanoparticles by hydrothermal treatment. Reviewed

    Siti Machmudah, Widiyastuti, Okky Putri Prastuti, Tantular Nurtono, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto.

    AIP Conference Proceedings   Vol. 1586   page: 166-172   2014

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  127. Removal of Water Pollutants by Pulsed Discharge Plasma and Observation of Its Optical Emission Intensity at Atmospheric Pressure. Reviewed

    Yui Hayashi, Wahyudiono, Siti Machmudah, Hideki Kanda, Noriharu Takada, Koichi Sasaki, Motonobu Goto.

    Japanese Journal of Applied Physics   Vol. 52   page: 11NE02   2013

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  128. Non-catalytic reduction of total acid number (TAN) of naphthenic acids (NAs) using supercritical methanol. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Fuel Processing Technology   Vol. 106   page: 641-644   2013

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  129. Generation of PVP Fibers by Electrospinning in One-Step Process under High-Pressure CO2. Reviewed

    Wahyudiono, Siti Machmudah, Mitsuru Sasaki, Satoko Okubayashi, Motonobu Goto.

    International Journal of Industrial Chemistry   Vol. 4 ( 27 ) page: 1-6   2013

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  130. Nanoparticle formation of lycopene/β-cyclodextrin inclusion complex using supercritical antisolvent precipitation. Reviewed

    Hazuki Nerome, Siti Machmudah, Wahyudiono, Ryuichi Fukuzato, Takuma Higashiura, Yong-Suk Youn, Youn-Woo Lee, Motonobu Goto.

    The Journal of Supercritical Fluids   Vol. 83   page: 97-103   2013

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  131. Pyrrole conversion induced pulse discharge plasma over a water surface under high-pressure argon. Reviewed

    Wahyudiono, Hiroshi Watanabe, Siti Machmudah, Tsuyoshi Kiyan, Mitsuru Sasaki, Hidenori Akiyama, Motonobu Goto.

    Chemical Engineering and Processing: Process Intensification   Vol. 61   page: 51-57   2013

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  132. Selective conversion of glucose into lactic acid and acetic acid with copper oxide under hydrothermal conditions. Reviewed

    Yuanqing Wang, Fangming Jin, Mitsuru Sasaki, Wahyudiono, Fengwen Wang, Zhenzi Jing, Motonobu Goto.

    AIChE Journal   Vol. 59 ( 6 ) page: 2096-2104   2013

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  133. Palm oil transesterification in sub- and supercritical methanol with heterogeneous base catalyst. Reviewed

    Nyoman Puspa Asri, Siti Machmudah, Wahyudiono, Suprapto, Kusno Budikarjono, Achmad Roesyadi, Motonobu Goto.

    Chemical Engineering and Processing: Process Intensification   Vol. 72   page: 63-67   2013

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  134. Utilization of Sub and Supercritical Water Reactions in Resource Recovery of Biomass Wastes. Reviewed

    Wahyudiono, Siti Machmudah, Motonobu Goto.

    Engineering Journal   Vol. 17 ( 1 ) page: 1-12   2013

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  135. Non Catalytic Transesterification of Vegetables Oil to Biodiesel in Sub-and Supercritical Methanol: A Kinetic's Study. Reviewed

    Nyoman Puspa Asri, Siti Machmudah, Wahyudiono, S. Suprapto, Kusno Budikarjono, Achmad Roesyadi, Motonobu Goto.

    Bulletin of Chemical Reaction Engineering & Catalysis   Vol. 7 ( 3 ) page: 215-223   2013

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  136. Fabrication of Gold and Silver Nanoparticles with Pulsed Laser Ablation under Pressurized CO2. Reviewed

    Siti Machmudah, Wahyudiono, Noriharu Takada, Hideki Kanda, Koichi Sasaki, Motonobu Goto.

    Advances in Natural Sciences: Nanoscience and Nanotechnology   Vol. 4 ( 4 ) page: 045011   2013

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  137. Preparation of Diamond Like Carbon (DLC) and Its Functionalization with Supercritical Fluid Pulsed Discharge Treatment. Reviewed

    Mitsuru Sasaki, Koichi Nagafuchi, Wahyudiono, Atsushi Nagira, Tsuyoshi Kiyan, Motonobu Goto, Hidenori Akiyama.

    Proc. 10th International Symposium on Supercritical Fluids     page: 1-6   2012

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  138. Pyrrole Conversion Induced Pulse Discharge Plasma over a Water Surface under High Pressure Argon. Reviewed

    Wahyudiono, Hiroshi Watanabe, Siti Machmudah, Tsuyoshi Kiyan, Mitsuru Sasaki, Hidenori Akiyama, Motonobu Goto.

    Chemical Engineering and Processing   Vol. 61   page: 51-57   2012

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  139. Supercritical Water as a Reaction Medium for Nitrogen-Containing Heterocycles. Reviewed

    Wahyudiono, Yui Matsunaga, Siti Machmudah, Mitsuru Sasaki, Motonobu Goto.

    J. Chem. Chem. Eng.   Vol. 6 ( 10 ) page: 897-910   2012

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  140. A Dry Process for Polymer Nano-Microfibers Prepared by Electrospinning under Pressurized CO2. Reviewed

    Wahyudiono, Kanako Murakami, Siti Machmudah, Mitsuru Sasaki, Motonobu Goto.

    Japanese Journal of Applied Physics   Vol. 51 ( 1980 ) page: 7-15   2012

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  141. Nickel removal from nickel etioporphyrin (Ni-EP) using supercritical water in the absence of catalyst. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Fuel Processing Technology   Vol. 104   page: 67-72   2012

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  142. Silver nanoparticles generated by pulsed laser ablation in supercritical CO2 medium. Reviewed

    Siti Machmudah, Takayuki Sato, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    High Pressure Research   Vol. 32 ( 1 ) page: 60-66   2012

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  143. Production of nanofibers by electrospinning under pressurized CO2. Reviewed

    Wahyudiono, Kanako Murakami, Siti Machmudah, Mitsuru Sasaki, Motonobu Goto.

    High Pressure Research   Vol. 32 ( 1 ) page: 54-59   2012

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  144. Non-catalytic vanadium removal from vanadyl etioporphyrin (VO-EP) using a mixed solvent of supercritical water and toluene: A kinetic study. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Fuel   Vol. 92 ( 1 ) page: 288-294   2012

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  145. Reduction of total acid number (TAN) of naphthenic acid (NA) using supercritical water for reducing corrosion problems of oil refineries. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Fuel   Vol. 94 ( 1 ) page: 620-623   2012

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  146. Nano-structured particles production using pulsed laser ablation of gold plate in supercritical CO2. Reviewed

    Siti Machmudah, Wahyudiono, Yutaka Kuwahara, Mitsuru Sasaki, Motonobu Goto.

    The Journal of Supercritical Fluids   Vol. 60   page: 63-68   2011

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  147. Degradation of glycerol using hydrothermal process. Reviewed

    Lailatul Qadariyah, Mahfud, Sumarno, Siti Machmudah, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Bioresource Technology   Vol. 102 ( 1 ) page: 9267-9271   2011

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  148. Reduction of total acid number (TAN) of naphthenic acid (NA) using supercritical water for reducing corrosion problems of oil refineries. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Fuel   Vol. 94   page: 620-623   2011

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  149. Effects of Supercritical Water on Removal of Vanadium from Vanadyl Etioporphyrin. Reviewed

    Mitsuru Sasaki, Pradip Chandra Mandal, Wahyudiono, Motonobu Goto.

    Journal of Science and Technology   Vol. 49 ( 5 ) page: 184-191   2011

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  150. Nano-structured Material Fabrication using Pulsed Laser Ablation in Supercritical CO2. Reviewed

    Siti Machmudah, Takayuki Sato, Wahyudiono, Yutaka Kuwahara, Mitsuru Sasaki, Motonobu Goto.

    Transaction Materials Research Society of Japan   Vol. 36 ( 3 ) page: 465-468   2011

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  151. Degradation of aniline by pulsed discharge plasma in hydrothermal conditions. Reviewed

    Wahyudiono, Hiroshi Watanabe, Tsuyoshi Kiyan, Hidenori Akiyama, Mitsuru Sasaki, Motonobu Goto.

    Transaction Materials Research Society of Japan   Vol. 36 ( 3 ) page: 459-464   2011

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  152. Kinetics and Reaction Pathways for Heptylbenzene Decomposition in Supercritical Water. Reviewed

    Pradip Chandra Mandal, Tatsuya Shiraishi, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Journal of Chemical Engineering of Japan   Vol. 44 ( 7 ) page: 486-493   2011

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  153. Thermal decomposition of guaiacol in sub- and supercritical water and its kinetic analysis. Reviewed

    Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Journal of Material Cycles and Waste Management   Vol. 13 ( 1 ) page: 68-79   2011

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  154. Nickel removal from nickel-5,10,15,20-tetraphenylporphine using supercritical water in absence of catalyst: A basic study. Reviewed

    Pradip Chandra Mandal, Wahyudiono, Mitsuru Sasaki, Motonobu Goto.

    Journal of Hazardous Materials   Vol. 187 ( 1-3 ) page: 600-603   2011

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  155. Reaction kinetics and mechanism for hydrothermal degradation and electrolysis of glucose for producing carboxylic acids. Reviewed

    Mitsuru Sasaki, Takanari Oshikawa, Hiroshi Watanabe, Wahyudiono, Motonobu Goto.

    Research on Chemical Intermediates   Vol. 37 ( 2-5 ) page: 457-466   2011

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  156. Bitumen upgrading under solvothermal/hydrothermal conditions. Reviewed

    Wahyudiono, Tatsuya Shiraishi, Mitsuru Sasaki, Motonobu Goto.

    Research on Chemical Intermediates   Vol. 37 ( 2-5 ) page: 375-381   2011

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  157. Gold nanoparticles fabricated by pulsed laser ablation in supercritical CO2. Reviewed

    Siti Machmudah, Motonobu Goto, Wahyudiono, Yutaka Kuwahara, Mitsuru Sasaki.

    Research on Chemical Intermediates   Vol. 37 ( 2-5 ) page: 515-522   2011

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  158. Non-catalytic liquefaction of bitumen with hydrothermal/solvothermal process. Reviewed

    Wahyudiono, Tatsuya Shiraishi, Mitsuru Sasaki, Motonobu Goto.

    The Journal of Supercritical Fluids   Vol. 60   page: 127-136   2011

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Books 6

  1. “Emerging seaweed extraction techniques: Supercritical fluid extraction” in Sustainable Seaweed Technologies: Cultivation, Biorefinery, and Applications,

    Siti Machmudah, Wahyudiono, Hideki Kanda, and Motonobu Goto( Role: Joint author)

    Elsevier  2020 

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    Language:English

  2. “Supercritical fluid-assisted electrospinning” in Green Electrospinning

    Siti Machmudah, Wahyudiono, Hideki Kanda, and Motonobu Goto( Role: Joint author)

    De Gruyter  2019 

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    Language:English

  3. “Supercritical Fluid Extraction and Fractionation” in Encyclopedia of Sustainability Science and Technology

    Siti Machmudah, Wahyudiono, Hideki Kanda, and Motonobu Goto,( Role: Joint author)

    Springer  2018 

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    Language:English

  4. “Hydrolysis of Biopolymers in Near-Critical and Subcritical Water” in Water Extraction of Bioactive Compounds

    Siti Machmudah, Wahyudiono, Hideki Kanda, and Motonobu Goto, ( Role: Joint author)

    Elsevier  2017 

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    Language:English

  5. “Supercritical Fluid Extraction of Carotenoids” in High Pressure Fluid Technology for Green Food Processing

    Siti Machmudah, Wahyudiono, and Motonobu Goto, ( Role: Joint author)

    Springer  2015 

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    Language:English

  6. “Upgrading of Oil Palm Empty Fruit Bunch to Value-Added Products” in Biomass and Bioenergy Applications,

    Mustakimah Mohamed, Suzana Yusup, Wahyudiono, Siti Machmudah, Motonobu Goto, and Yoshimitsu Uemura,( Role: Joint author)

    Springer  2014 

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    Language:English

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Presentations 17

  1. Correlation of extract composition on antioxidant activity of electrospun polyvinylpyrrolidone/bassela rubra linn leaf extract composite

    Septiani E.L.

    Key Engineering Materials 

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    Event date: 2020

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.4028/www.scientific.net/KEM.851.122

    Scopus

  2. Sorption efficiency in dye removal and thermal stability of sorghum stem aerogel

    Septiani E.L.

    Materials Science Forum 

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    Event date: 2019

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.4028/www.scientific.net/MSF.966.175

    Scopus

  3. Synthesis of Ceria Zirconia Oxides using Solvothermal Treatment. International conference

    Siti Machmudah, Widiyastuti, Sugeng Winardi, Wahyudiono, Hideki Kanda, and Motonobu Goto

    The 24th Regional Symposium on Chemical Engineeering 

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    Event date: 2017.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Semarang, Central Java , Indonesia,   Country:Indonesia  

  4. Extraction of Phytochemical Compounds from Eucheuma cottonii and Gracilaria sp. using Supercritical CO2 Followed by Subcritical Water. International conference

    Dwi Setyorini, Ridlo Aanisah, Siti Machmudah, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

    The 24th Regional Symposium on Chemical Engineeering 

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    Event date: 2017.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Semarang, Central Java , Indonesia,   Country:Indonesia  

  5. Sub- and Supercritical Fluids Extraction of Phytochemical Compounds from Eucheuma cottonii and Gracilaria sp. International conference

    Siti Machmudah, Widiyastuti, Tantular Nurtono, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of RCChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Kuala Lumpur, Malaysia,   Country:Malaysia  

  6. Hydrothermal Extraction of Antioxidant Compounds From Mangosteen Pericarps With Low-Transition-Temperature Mixture and Sonication Pretreatment International conference

    Siti Machmudah, Widiyastuti, Tantular Nurtono, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of ISFAChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Surabaya, Indonesia,   Country:Indonesia  

  7. Lipid Extraction from Wet Microalgae as Biofuel Resources by Liquefied Dimethyl Ether International conference

    Rintaro Hoshino, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of ISFAChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Surabaya, Indonesia,   Country:Indonesia  

  8. Extraction of curcumin from curcuma longa using ultrasound assisted supercritical carbon dioxide International conference

    Chhouk Kimthet, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of ISFAChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Surabaya, Indonesia,   Country:Indonesia  

  9. Reaction of Cl− Ions in Electrolyte Solution Induced Electrical Discharge Plasma in the Presence of Argon Fine Bubbles International conference

    Yui Hayashi, Noriharu Takada, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of ISFAChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Surabaya, Indonesia,   Country:Indonesia  

  10. Subcritical Water Extraction of Valuable Compounds from Eucheuma cottonii and Gracilaria sp International conference

    Siti Machmudah, Widiyastuti, Tantular Nurtono, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

    Proceeding of ISFAChE 2016 

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    Event date: 2016.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Surabaya, Indonesia,   Country:Indonesia  

  11. Utilization of Diatom Chaetoceros Gracilis by using Liquefied Dimethyl Ether Extraction for Biodiesel Fuel Resource International conference

    Kazuya Murakami, Rintaro Hoshino, Wahyudiono, Hideki Kanda, Motonobu Goto

    Bioresource Technology for Bioenergy, Bioproducts & Environmental Sustainability, 1st International Conference (BRTX 2016) 

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    Event date: 2016.10

    Language:English   Presentation type:Poster presentation  

    Venue:Sitges, Spain,   Country:Spain  

  12. Extraction of lipids and functional components from wet algae by liquefied dimethyl ether International conference

    Motonobu Goto, Rintaro Hoshino, Wahyudiono, Hideki Kanda

    The 7th International Conference on Green and Sustainable Chemistry (GSC-7) and 4th JACI/GSC Symposium  

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    Event date: 2015

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  13. Hydrophilic Polymer Composites Synthesized by Electrospinning under Dense Carbon Dioxide International conference

    Wahyudiono, Koichi Okamoto, Hideki Kanda, Motonobu Goto

    Proceeding of International Conference on Chemical and Material Engineering 2015 

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    Event date: 2015

    Language:English   Presentation type:Oral presentation (general)  

    Venue: Indonesia,   Country:Indonesia  

  14. Molecular Conversion of Phytochemicals During Supercritical Fluid Extraction Process from Plant Materials International conference

    Chiho Uemori, Mika Ito, Hazuki Nerome, Wahyudiono, Hideki Kanda, Motonobu Goto

    Asian Pacific Confederation of Chemical Engineering (APCChE) 2015  

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    Event date: 2015

    Language:English   Presentation type:Poster presentation  

    Venue:Australia   Country:Australia  

  15. Energy-saving lipid extraction from wet labyrinthulea Aurantiochytrium limacinum by liquefied dimethyl ether International conference

    Kazuya Murakami, Rintaro Hoshino, Masaki Ogawa, Yuji Okita, Eiji Ohashi, Wahyudiono, Siti Machmudah, Hideki Kanda, Motonobu Goto

    The 7th International Conference on Green and Sustainable Chemistry (GSC-7) and 4th JACI/GSC Symposium 

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    Event date: 2015

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  16. Recovery of Phytochemicals from Saffron by Supercritical Carbon Dioxide Extraction International conference

    Mika Ito, Hazuki Nerome, Chiho Uemori, Wahyudiono, Hideki Kanda, Motonobu Goto

    The 7th International Conference on Green and Sustainable Chemistry (GSC-7) and 4th JACI/GSC Symposium  

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    Event date: 2015

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  17. Subcritical water extraction of functional substances from biomass by using a flow-through reactor International conference

    Wahyudiono, Siti Machmudah, Widiyastuti, Hideki Kanda, Sugeng Winardi, Motonobu Goto

    The 7th International Conference on Green and Sustainable Chemistry (GSC-7) and 4th JACI/GSC Symposium 

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    Event date: 2015

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

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