Motonobu Goto

TL;DR: In this paper, the authors proposed to combine a synthetic polymer and active agent, polyvinylpyrrolidone (PVP) and Bassela rubra linn leaf extract (BRLE), become nanofibrous material.

TL;DR: In this paper, the authors investigated the catalytic activities of diethyl succinate as a consecutive reaction in a batch slurry reactor catalysed by cation exchange resins.

TL;DR: In this paper, the conversion of oil palm mesocarp fiber into bio-oil via SFE was investigated for two hours of extraction time, and the extraction yield increased from 16.7% to 19.8% once the temperature was increased from 60 to 90°C.

Abstract: The hydrothermal extraction was carried out in a semi-batch extractor at a temperature of 160°C, a pressure of 7 MPa, and a water flowrate 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 that 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.

TL;DR: In this article, the authors performed a series of experiments to determine the optimum operating conditions for the removal of oligomers from poly(ethylene terephthalate) (PET) resins.