Results 21 to 30 of about 277,425 (303)

Chromatographic recovery and purification of natural phytochemicals from underappreciated willow bark water extracts

, 2022
Willow (Salicaceae) bark contains a variety of antioxidant phytochemicals depending mainly on the hybrid. In this study, hot water extraction of willow bark was coupled with a sequential preparative scale chromatography to purify the crude extracts to a ...
Dou, Jinze, Vuorinen, Tapani, Xu, Chunlin, Sainio, Tuomo, Heinonen, Jari   +4 more
core   +1 more source

Evaluation of lactic acid purification from fermentation broth by hybrid short path evaporation using factorial experimental design

, 2014
This work describes the evaluation of lactic acid purification from fermentation broth by hybrid short path evaporation. the proposed hybrid purification process consists of an evaporation system composed by a cylindrical wiped film evaporator with two ...
Oliveira, Johnatt, Lunelli, Betania Hoss, Komesu, Andrea, Wolf Maciel, Maria Regina, Martins, Patricia Fazzio [UNIFESP], Maciel Filho, Rubens   +5 more
core   +2 more sources

FACTORIAL DESIGN OPTIMIZATION OF URANIUM (VI) CLOUD POINT EXTRACTION WITH TRITON X-100/TWEEN-40/D2EHPA/ BMIMMESO4

Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2022
This work reports the Uranyl (UO22+) extraction from water by the Triton X-100 / Tween-40 / D2EHPA / BMIMMeSO4 by two aqueous phases or cloud point extraction (CPE).
NOUR EDDINE DJEBBARI, AFAF AMARA, AMEL DIDI, MOHAMED A. DIDI   +3 more
doaj  

Research Progress of Magnetic Molecularly Imprinted Polymers in Separation and Purification of Natural Active Substances

Shipin gongye ke-ji, 2023
Magnetic molecularly imprinted polymers are novel separation materials assembled by magnetic nanoparticles and molecularly imprinted polymers, with specific selectivity, easy separation and regeneration, which can be used in the preliminary treatment of ...
Yanhui WANG, Guangyao ZHENG, Linlin YAN
doaj   +1 more source

EXTRACTION OF NIGELLA SATIVA SEEDS AT A PILOT SCALE AND THEIR EFFECTS ON THE FORMATION OF PSEUDOMONAS AERUGINOSA BIOFILMS

Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2021
The extraction of vegetable oils from aromatic and medicinal plants has been the subject of research in several recent studies. Because of their richness in secondary metabolisms which are part of the manufacture of drugs, food supplements and cosmetic ...
AMEL DIDI, MOHAMED AMINE DIDI
doaj  

A comprehensive review on biodiesel purification and upgrading [PDF]

Biofuel Research Journal, 2017
Serious environmental concerns regarding the use of fossil-based fuels have raised awareness regarding the necessity of alternative clean fuels and energy carriers.
Hamed Bateni, Alireza Saraeian, Chad Able   +2 more
doaj   +1 more source

Copper nanoparticles lead to reproductive dysfunction by affecting key enzymes of ovarian hormone synthesis and metabolism in female rats

Ecotoxicology and Environmental Safety, 2023
Studies on the general toxicity of copper nanoparticles (Cu NPs) have been conducted extensively, but their effects on reproductive toxicity remain unclear. In this study, we evaluated the toxic effect of Cu NPs on pregnant rats and their litter.
Jie Luo, Mingzhi Zhang, Yang Deng, Haohuan Li, Qinglong Bu, Rui Liu, Jiansheng Yu, Shanshan Liu, Ze Zeng, Wei Sun, Ganbei Gui, Xicheng Qian, Yinglun Li   +12 more
doaj   +1 more source

Protein purification with nanoparticle-enhanced crystallisation

, 2020
In this study, silica nanoparticle was synthesised and used to promote lysozyme crystallisation effectively against high concentrations of protein impurity (bovine serum albumin (BSA); concentration = 25.0–50.0 mg/mL vs 5.0–25.0 mg/mL for lysozyme) at 1 ...
Chen, Wenqian, Yang, Huaiyu, Li, Xiaoyu, Heng, Jerry YY, Cheng, Thomas NH, Khaw, Liang Fa, Ouyang, Jinbo   +6 more
core   +1 more source

Functional Properties and Extraction Techniques of Chicken Egg White Proteins

Foods, 2022
Chicken egg whites contain hundreds of proteins, and are widely used in the food, biological and pharmaceutical industries. It is highly significant to study the separation and purification of egg white proteins.
Zhe Li, Xi Huang, Qinyue Tang, Meihu Ma, Yongguo Jin, Long Sheng   +5 more
doaj   +1 more source

A novel ion-pair strategy for efficient separation of lithium isotopes using crown ethers

, 2021
Effective separation of lithium isotopes (6Li and 7Li) is of great importance for the development of nuclear energy. Crown ethers (CEs) are widely used and reported separation systems, but the distribution coefficient of Li (DLi) is relatively low by CEs
Guo, Yanxia, Li, Shasha, Kang, Jin, Yin, Caixia, He, Hongyan, Cheng, Fangqin, Cui, Li   +6 more
core   +1 more source