Results 91 to 100 of about 1,243 (197)

High speed counter current chromatography: A support-free LC technique

Journal of Pharmacy and Bioallied Sciences, 2009
As separation of components is the major requirement of an analytical chemist, there is always a need for a convenient high throughput technique with minimum sample loss, high efficiency, high resolution, and ease of sample recovery, without ...
Neha Sethi, Ankit Anand, Aarti Sharma, Kaushal K Chandrul, Garima Jain, Kona S Srinivasa   +5 more
doaj   +1 more source

Preparative isolation of monomer catechins and oligomer procyanidin fractions from grape seed extracts by high-speed counter-current chromatography

BIO Web of Conferences, 2014
In this paper, monomer (+)-catechin; (-)-epicatechin and (-)-epicatechin-3-o-gallate, three oligomeric procyanidin fractions (OPCs) and one polymeric procyanidin fractions (PPCs) were successfully separated and isolated from grape seed extracts using ...
Shuting Zhang, Yan Cui, Baoshan Sun
doaj   +1 more source

Isolation of Herbicidal Substance, α-terthienyl, from the Root of Flaveria bidentis using HSCCC and HPLC

International Journal of Agriculture and Biology, 2015
Flaveria bidentis (L.) Kuntze is a serious invasive plant with allelopathic properties in Hebei, China. To obtain the herbicidal substance from the root extracts of F. bidentis effectively and rapidly, the isolation and purification method was optimized by using high-speed counter-current chromatography (HSCCC).
Jing-Qian Huo, Bin Zhao, Zhe Zhang, Jin-Gao Dong, Jin-Lin Zhang   +4 more
openaire   +1 more source

Fingerprint Analysis of Cnidium monnieri (L.) Cusson by High-Speed Counter-Current Chromatography

, 2019
Cnidium monnieri (L.) Cusson is a popular Traditional Chinese Medicine (TCM) with a variety of bioactivities. However, there are some problems that have affected the development of Cnidium monnieri (L.) Cusson. At present, many methods have been reported
Xuemin Gao, Shuyi Zhang, Xuan Zhu, Xinmei Liu, Huayu Yang, Qing Chen, Xiaoxue Wu, Hua Song   +7 more
core   +1 more source

A review of the hydrodynamics of high-speed counter current chromatography

This review outlines the current understanding of the flow behavior in high-speed counter-current chromatography (HSCCC). HSCCC has seen huge progress in modeling and predicting flow behavior, yet it still is not fully understood from a hydrodynamic ...
Vigil, Matthew J.
core   +1 more source

Separation of abietane-type diterpenoids from Clerodendrum kaichianum Hsu by high-speed counter-current chromatography using stepwise elution

, 2016
High-speed counter-current chromatography (HSCCC) was successfully used for the separation of abietane-type diterpenoids from the medicinal plant C. kaichianum, which were not separated in our previous study using preparative HPLC.
Huizhong Wang (115600), Maojun Xu (447937), Qin Zhu (537864), Qizhen Du (1697557), Mingfeng Xu (1916383)   +4 more
core   +1 more source

Preparative Separation of Diterpene Lactones and Flavones from Andrographis paniculate Using Off-Line Two-Dimensional High-Speed Counter-Current Chromatography

Molecules, 2019
Seven diterpene lactones, andrographolide (1), isoandrographolide (2), neo-andrographolide (3), 14-deoxy-11,12-didehydroandrographolide (4), 14-deoxyandrographiside (5), 14-deoxy-11,12-didehydroandrographiside (6), 3,14-dideoxyandrographolide (10), and ...
Xiaowei Sun, Huijiao Yan, Yujie Zhang, Xiao Wang, Dawei Qin, Jinqian Yu   +5 more
doaj   +1 more source

Separation of two major chalcones from Angelica keiskei by high-speed counter-current chromatography

, 2018
4-Hydroxyderricin; Angelica keiskei; Chalcone; HSCCC; Umbelliferae ...
서은경
core   +1 more source

Profiling the fatty acids from a strain of the microalgae Alexandrium tamarense by means of high-speed counter-current chromatographyand gas chromatography coupled with mass spectrometry

, 2013
tFatty acids of microalgae have been studied as potential chemotaxonomic markers, to reveal plausi-ble lipid phycotoxins or in the context of mass production of algal biofuels.
Schröder, Markus, Tillmann, Urban, Hammann, Simon, Schröder, Marcus, Vetter, Walter   +4 more
core   +1 more source

Quick identification of apoptosis inducer from Isodon eriocalyx by a drug discovery platform composed of analytical high-speed counter-current chromatography and the fluorescence-based caspase-3 biosensor detection

, 2010
Analytical high-speed counter-current chromatography (HSCCC), a unique liquid-to-liquid separation technology, has an inherent capability to provide perfect fractionation for tracking active ingredients of medicinal herbs, in a quick, efficient, and high-
Fung, Kwok Pui, Zhou, Yan, Wang, Wei Na, Xiao-Hui Fu, Chao Feng, Sun, Han Dong, Yan Zhou, Luo, Kathy Q., Leung, Ping Chung, Wei-Na Wang, Feng, Chao, Quan-Bin Han, Fanny Lai, Clara Bik-San Lau, Fu, Xiao Hui, Hong-Xi Xu, Han, Quan Bin, Kathy Q. Luo, Lau, Clara Bik San, Lai, Fanny, Ting Yu, Xu, Hong Xi, Yu, Ting   +22 more
core   +1 more source