Results 61 to 70 of about 930 (165)

Optimization of a Pre-MEKC Separation SPE Procedure for Steroid Molecules in Human Urine Samples

Molecules, 2013
Many steroid hormones can be considered as potential biomarkers and their determination in body fluids can create opportunities for the rapid diagnosis of many diseases and disorders of the human body.
Ilona Olędzka, Piotr Kowalski, Szymon Dziomba, Piotr Szmudanowski, Tomasz Bączek   +4 more
doaj   +1 more source

Fast determination of active ingredients in compound antipyretic analgesic tablets by micellar electrokinetic capillary chromatography(复方解热镇痛药的毛细管胶束电动色谱快速分析)

Zhejiang Daxue xuebao. Lixue ban, 2001
研究了用毛细管胶束电动色谱快速测定解热镇痛药复方阿司匹林(APC)中阿司匹林(AS)、非那西丁(PH)、咖啡因(CA)及复方扑热息痛(PAC)中扑热息痛(PA)，AS，CA含量的方法.使用长37 cm（有效长度30 cm）内径75 µm的石英毛细管，+ 20kV分离电压，在pH 8.65的9 mmol · L-1 Na2B4O7-13 mmol • L-1 KH2PO4 （内含60 mmol · L-1 SDS和2%乙醇）缓冲溶液中，同一制剂中的三组分可在4.5 min内完全分离.用紫外检测器在214 ...
CAIZeng-xuan(蔡增轩), CHENHeng-wu(陈恒武)   +1 more
doaj   +1 more source

Chromatographic Methods for the Analysis of Polyphenols in Wines [PDF]

Kemija u Industriji, 2009
Wine is an excellent source of various classes of polyphenols, including phenolic acids, flavonoids, and trihydroxystilbene resveratrol (Fig.1). Polyphenols play a major role in wine quality since they contribute to the sensory characteristics of wine ...
Medić-Šarić, M., Rastija, V.
doaj  

Comparison of aqueous and non-aqueous capillary electrophoresis for the determination of four benzalkonium chloride homologues in compound chemical disinfectants

Heliyon
A new method was established for the simultaneous analysis of four homologous benzalkonium chlorides (dodecyldimethylbenzyl ammonium chloride, tetradecyldimethylbenzyl ammonium chloride, hexadecyldimethylbenzyl ammonium chloride, and ...
Kai Yao, Ruoke Jiang, Ping Wang, Jing Zhang, Bing Shao, Xiaojing Ding   +5 more
doaj   +1 more source

Simultaneous Enantioseparation of Three Chiral Antifungal Pesticides by Hydroxypropyl-γ-CD-Modified Micellar Electrokinetic Chromatography. [PDF]

J Anal Methods Chem, 2023
Yang X.
europepmc   +1 more source

Separation of Steroids by Micellar Electrokinetic Capillary Chromatography. Some Physicochemical Considerations

Reviews in Analytical Chemistry, 1999
Wiedmer, Susanne Κ., Riekkola, Marja-Liisa   +1 more
doaj   +1 more source

Simultaneous Separation and Determination of Nine Active Ingredients in Sanyetangzhiqing by Cyclodextrin-Modified Micellar Electrokinetic Capillary Electrophoresis-Diode Array Detector. [PDF]

J Anal Methods Chem, 2023
Wang S, Zhou R, Du K, Shang Y, He J, Li J, Yao Y, Chang YX.   +7 more
europepmc   +1 more source

Separation of unsaturated C18 fatty acids using perfluorinated-micellar electrokinetic chromatography: I. Optimization and separation process. [PDF]

Electrophoresis, 2023
Ta HY, Perquis L, Balayssac S, Déjugnat C, Wodrinski A, Collin F, Gilard V, Couderc F.   +7 more
europepmc   +1 more source

Capabilities of capillary electrophoresis for analysis of ready-to-use pharmaceutical products with an antibacterial effect

Ветеринария сегодня, 2018
The capability to monitor quality of ready-to-use pharmaceuticals using capillary electrophoresis methods is evaluated in the paper. Optimal conditions for separation and determination of different classes of such antibacterial agents as penicillins ...
D. S. Bolshakov, V. G. Amelin, T. B. Nikeshina   +2 more
doaj  

Scientific and operational maturity of CE-MS: are we close? [PDF]

Trends Biotechnol
Wang D.
europepmc   +1 more source