Results 11 to 20 of about 4,005 (216)

Review of High-Speed Countercurrent Chromatography in Separation of Lanthanides and Actinides

He huaxue yu fangshe huaxue, 2022
In the field of radiochemistry, separation of lanthanides and actinides has always been one of the research hotspots. In order to achieve the burnup analysis, the lanthanide and actinide elements in the solution need to be separated.
LI Yu-hao, DING You-qian, WANG Xiu-feng, GANG Fa-yuan, YUE Yuan-zhen, FU Zhi-hai, BAI Long   +6 more
doaj   +2 more sources

Bioassay-Guide Preparative Separation of Hypoglycemic Components from Gynura divaricata (L.) DC by Conventional and pH-Zone Refining Countercurrent Chromatography [PDF]

Foods
Gynura divaricata (L.) DC is a long-used medicinal and edible plant in China folk. Its hyperglycemic effects have garnered increasing public attention in recent years.
Zetao Shen, Jing Xu, Lijiao Wen, Lu Yin, Xueli Cao, Hairun Pei, Xi Zhao   +6 more
doaj   +2 more sources

Antimycobacterial and Nitric Oxide Production Inhibitory Activities of Goyazensolide and Centratherin Isolated From Eremanthus crotonoides by High-Speed Countercurrent Chromatography. [PDF]

Chem Biodivers
ABSTRACT In this study, bioassay‐guided fractionation of the ethanolic extract from Eremanthus crotonoides leaves enabled the isolation of two bioactive sesquiterpene lactones, centratherin and goyazensolide, which were evaluated for their antimycobacterial and anti‐inflammatory properties.
da Rocha Ximenes NG, Calixto SD, Simão TLBV, Lassunskaia EB, de Homobono de Brito Moura P, Leal IRC, Muzitano MF, Pinto SC.   +7 more
europepmc   +2 more sources

Application and Comparison of High-Speed Countercurrent Chromatography and High Performance Liquid Chromatography in Preparative Enantioseparation ofα-Substitution Mandelic Acids [PDF]

Separation Science and Technology, 2015
Sheng-Qiang Tong, Yoichiro Ito
exaly   +2 more sources

Advances in Eco-Friendly Extraction of Fruit Bioactive Compounds: Technologies, Challenges and Future Directions. [PDF]

Anal Sci Adv
Fruit bioactive compounds offer antioxidant, anti‐inflammatory, and preventive benefits, yet extraction is hindered by poor solubility and conventional methods using toxic solvents and high energy. This review evaluates traditional and advanced eco‐friendly technologies, highlighting efficiency, selectivity, and sustainability.
Hndeya AG, Sbhatu DB, Gebreyohannes G.
europepmc   +2 more sources

Spiral Tube Assembly for High-Speed Countercurrent Chromatography: Choice of Elution Modes for Four Typical Two-Phase Solvent Systems. [PDF]

J Liq Chromatogr Relat Technol, 2008
Ito Y, Clary R, Powell J, Knight M, Finn TM.   +4 more
europepmc   +3 more sources

Application of Preparative High-Speed Countercurrent Chromatography for Separation of Elatine from Delphinium shawurense [PDF]

Journal of Liquid Chromatography and Related Technologies, 2008
Yi Yang, Haji Akber Aisa, Yoichiro Ito
exaly   +2 more sources

SEPARATION AND PURIFICATION OF FLAVONOIDS FROM BLACK CURRANT LEAVES BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY AND PREPARATIVE HPLC [PDF]

Journal of Liquid Chromatography and Related Technologies, 2010
Dajun He, Yoichiro Ito
exaly   +2 more sources

Synthesis and Application of Zearalenone Substitute Cyclododecyl 2,4-Dihydroxybenzoate

Liang you shipin ke-ji, 2021
Cyclododecyl 2,4-dihydroxybenzoate (CDHB) is very similar to zearalenone (ZEN) in terms of size,shape,steric conformation and property.It is commonly used as a template of ZEN for the preparation of molecularly imprinted polymers.N’N′-carbonyldiimidazole
HAN Yang-ying, WANG Jun, LIU Hu-ju, SUN Chang-po   +3 more
doaj   +1 more source

Two-Step Purification of Cordycepin from Cordyceps millitaris by High-Speed Countercurrent Chromatography [PDF]

Journal of Liquid Chromatography and Related Technologies, 2009
Yoichiro Ito
exaly   +2 more sources