Results 41 to 50 of about 2,527,192 (329)

Ethyl Acetate Extract of Dracocephalum heterophyllum Benth Ameliorates Nonalcoholic Steatohepatitis and Fibrosis via Regulating Bile Acid Metabolism, Oxidative Stress and Inhibiting Inflammation

Separations, 2022
Dracocephalum heterophyllum Benth is well-known for its ability to alleviate liver heat. In this study, Dracocephalum heterophyllum Benth ethyl acetate extracts were evaluated on mouse models of nonalcoholic steatohepatitis and liver fibrosis.
Yan Fang, Dandan Sun, Gang Li, Yue Lv, Jia Li, Qilan Wang, Jun Dang   +6 more
doaj   +1 more source

A new solvent system for the separation of neutral glycosphingolipids.

Journal of Lipid Research, 1981
A solvent system and a column for high performance liquid chromatography for the separation of glycosphingolipids without derivatization is described.
K Watanabe, Y Arao
doaj   +1 more source

Preparative separation of four isomers of synthetic anisodamine by HPLC and diastereomer crystallization.

Chirality, 2018
Anisodamine (654-1), a well-known cholinergic antagonist, is marketed as synthetic anisodamine (mixture of four isomers, 654-2) in China. To preparative resolution and comparison of the bioactivities of the four isomers of synthetic anisodamine, current ...
Tong Wu, Jiu-Xin Zhu, Qian Wei, Ping Li, Li-bo Wang, Jian Huang, Jin-Hui Wang, Li-Ke Tang, Li‐jun Wu, Chang Li, W. Han   +10 more
semanticscholar   +1 more source

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

Química Nova
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   +1 more source

Antioxidant Activity of Daemonorops draco Resin

Jurnal Kimia Sains dan Aplikasi, 2019
Jernang resin is secretion of jernang rattan (Daemonorops draco, Arecaceae family) fruits which is endemic in Southeast Asia. This resin has various biological activities and empirically used as wound healing, headache medicines, and fever remedies by ...
Sri Purwanti, Wulan Tri Wahyuni, Irmanida Batubara   +2 more
doaj   +1 more source

Improving the performance of nadolol stereoisomers' preparative separation using Chiralpak IA by SMB chromatography.

Chirality, 2018
The pseudobinary preparative separation of nadolol stereoisomers is performed by simulated moving bed chromatography (SMB). Using the Chiralpak IA adsorbent, a new 25:75:0.1 (v/v/v) methanol-acetonitrile-diethylamine solvent composition was selected to ...
Rami S Arafah, A. Ribeiro, A. Rodrigues, L. Pais   +3 more
semanticscholar   +1 more source

Enantioselective Chromatography: From its Emergence to its Successful Implementation in the Pharmaceutical Environment

CHIMIA, 2009
The author describes the emergence and development of enantioselective chromatography as a powerful tool for the separation of stereoisomers, on analytical, preparative, and production scale.
Eric Francotte
doaj   +1 more source

Preparative thin-layer and column chromatography of prostaglandins

Journal of Lipid Research, 1969
Analytical and preparative chromatographic methods for monounsaturated prostaglandins are described. The systems were developed specifically for separation of the various hydroxy epimers of prostaglandin E1 and F1 but also offer superior separations for ...
Niels H. Andersen
doaj   +1 more source

Criterion‐Related Validity of the Neuropsychological Quick Assessment for Screening Cognitive, Motor, and Behavioral Impairments in Patients With Pediatric Brain Tumors: An Observational Pilot Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Neuropsychological complications may impair the qualitative prognosis of patients with pediatric brain tumors. However, multifaceted evaluations cannot be conducted in all patients because they are time consuming and burdensome for patients.
Ami Tabata, Keita Ueda, Tsukasa Ueno, Katsutsugu Umeda, Kentaro Ueno, Kanade Tanaka, Noyuri Nishida, Rie Yamawaki, Megumi Nukui, Yoshiki Arakawa   +9 more
wiley   +1 more source

Separation of nadolol stereoisomers by liquid chromatography : screening of the mobile phase composition [PDF]

, 2011
The screening of the most convenient mobile phase composition is presented for the chiral separation of the four stereoisomers of the beta-blocker drug nadolol.
Gomes, P. Sá, Pais, Luís S., Ribeiro, António E., Rodrigues, Alírio   +3 more
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