Results 11 to 20 of about 31,646 (297)

PREPARATIVE SEPARATION OF ISOQUINOLINE ALKALOIDS FROM PHELLODENDRI CORTEX BY PH-ZONE-REFINING COUNTER-CURRENT CHROMATOGRAPHY

Química Nova, 2018
pH-Zone-refining counter-current chromatography (PZRCCC) was successfully used for preparative separation isoquinoline alkaloids from Phellodendri Cortex.
Daijie Wang, Shanming Tian, Li Cui, Huijiao Yan, Xiangyun Song, Yuguo Liu, Fei Xu, Junjian Ma   +7 more
doaj   +3 more sources

ISOLASI LISOZIM ALBUMIN TELUR AYAM RAS DENGAN METODE KROMATOGRAFI PENUKAR ION

Jurnal Teknologi dan Industri Pangan, 2018
Lysozyme is one of the proteins found in hen egg albumin. Besides known as antimicrobial agents, lysozyme hydrolysis products can also function as antioxidants and as angiotensin converting enzyme (ACE) inhibitors.
Zakiah Wulandari, Dedi Fardiaz, Maggy Thenawijaya, Nancy Dewi Yuliana, Cahyo Budiman   +4 more
doaj   +1 more source

Evaluation of Inter-Apparatus Separation Method Transferability in Countercurrent Chromatography and Centrifugal Partition Chromatography

Separations, 2019
In the countercurrent chromatography and centrifugal partition chromatography, separation method transfer and scale-up is often described as an easy and straightforward procedure.
Simon Roehrer, Mirjana Minceva
doaj   +1 more source

The electrophoretic membrane contactor: A mass-transfer-based methodology applied to the separation of whey proteins [PDF]

, 2011
In the electrophoretic membrane contactor (EMC), a porous membrane is used to establish a contact across two flowing liquids between which an electrically driven mass transfer takes places.
Roux-de Balmann, Hélène, Hélène Roux-de Balmann, Galier, Sylvain, Sylvain Galier   +3 more
core   +1 more source

Separation of Molar Weight-Distributed Polyethylene Glycols by Reversed-Phase Chromatography—II. Preparative Isolation of Pure Single Homologs

, 2023
The isolation of single homologs of polyethylene glycol by preparative reversed-phase chromatography is investigated. A thermodynamic model developed accurately previously describes the retention times of individual homologs as function of their size ...
Bornschein, Benedikt, Supper, Malvina, Rosanna Jost, Benedikt Bornschein, Jost, Rosanna, Malte Kaspereit, Kaspereit, Malte, Malvina Supper   +7 more
core   +1 more source

Optimization of Automatic Synthesis and Separation of [18F] AV-45 and Quality Control

Frontiers in Chemistry, 2022
Objective: Based on the Tracerlab FXF-N platform, a synthesis program and preparative high-performance liquid chromatography (HPLC) purification program edited by us can stably and repeatedly produce [18F] AV-45 without changing the process. The [18F] AV-
Qi-Zhou Zhang, Yu-Bin Li, Nazi Yilihamu, Xiao-Hong Li, Ya Ba, Yong-De Qin   +5 more
doaj   +1 more source

Counter-current chromatography for the separation of terpenoids: A comprehensive review with respect to the solvent systems employed [PDF]

, 2014
Copyright @ 2014 The Authors.This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.Natural ...
Skalicka-Woźniak, K, Krystyna Skalicka-Woźniak, Ian Garrard, Garrard, I   +3 more
core   +1 more source

Complete separation of the quaternary mixture of nadolol stereoisomers using preparative and simulated moving bed chromatography

, 2021
The separation and purification of high added value products by liquid chromatography is a very popular technique. The development of more stable and efficient stationary phases, together with the design of innovative and more flexible separation ...
Pais, Luís S., Ribeiro, António E., Arafah, Rami, Rodrigues, Alírio   +3 more
core   +1 more source

Separation and Identification of Antioxidants and Aldose Reductase Inhibitors in Lepechinia meyenii (Walp.) Epling

Plants, 2021
We previously reported that Lepechinia meyenii (Walp.) Epling has antioxidant and aldose reductase (AR) inhibitory activities. In this study, L. meyenii was extracted in a 50% MeOH and CH2Cl2/MeOH system.
Guanglei Zuo, Kang-Hoon Je, Yanymee N. Guillen Quispe, Kyong-Oh Shin, Hyun Yong Kim, Kang Hyuk Kim, Paul H. Gonzales Arce, Soon Sung Lim   +7 more
doaj   +1 more source

Fixed-bed and simulated moving bed chromatography using achiral and chiral adsorbents for the complete preparative separation of a quaternary mixture

, 2022
Nadolol is a nonselective beta-adrenergic receptor antagonist (beta-blocker) pharmaceutical drug, widely used in the treatment of cardiovascular diseases, such as hypertension, ischemic heart disease (angina pectoris), congestive heart failure and ...
Pais, Luís S., Ribeiro, António E., Arafah, Rami, Rodrigues, Alírio   +3 more
core   +1 more source