Results 71 to 80 of about 193,032 (159)

Recent progress in adsorbed stationary phases for capillary electrochromatography

open access: yes, 2002
This review surveys the recent progress in the adsorbed stationary phases for capillary electrochromatography (CEC). Adsorption-based methods for preparation of stationary phase are novel approaches in CEC, which allow rapid and facile preparing ...
Zou, HF, Liu, Z, Wu, R
core  

Molecular Separation by Using Active and Passive Microfluidic chip Designs: A Comprehensive Review

open access: yesAdvanced Materials Interfaces, Volume 11, Issue 2, January 16, 2024.
This review is about the microfludic‐based methods that have been used in the past two decades for the separation of different biomolecules like protein, DNA, and RNA. In this regard, passive, active, and hybrid microfludic methods that are used for biomolecules separation are disscused and reviewed in this paper. Abstract Separation and identification
Aliakbar Ebrahimi   +22 more
wiley   +1 more source

Recent advances and applications in drug analysis by nano-scale separation techniques

open access: yesGreen Analytical Chemistry
Nano-scale separation techniques (NSTs) offer significant advantages in relation to drug analysis in a wide range of samples. NSTs, including low flow rate LC systems or capillary or chip based electrophoresis/electrochromatography systems, have become ...
Cemil Aydoğan   +7 more
doaj   +1 more source

Recent developments in capillary and microchip electroseparations of peptides (2021–mid‐2023)

open access: yesELECTROPHORESIS, Volume 45, Issue 1-2, Page 165-198, January 2024.
Abstract This review article brings a comprehensive survey of developments and applications of high‐performance capillary and microchip electromigration methods (zone electrophoresis in a free solution or in sieving media, isotachophoresis, isoelectric focusing, affinity electrophoresis, electrokinetic chromatography, and electrochromatography) for ...
Václav Kašička
wiley   +1 more source

Rapid Separation and Determination of Metronidazole Benzoate and Other Antiprotozoal Drugs by Pressurized Capillary Electrochromatography

open access: yesJournal of Chemistry, 2018
A novel method for the rapid separation and determination of five polar 5-nitroimidazoles in water from different sources by pressurized capillary electrochromatography has been developed.
Sulan Liao, Qilin Weng
doaj   +1 more source

Polar stationary phases for capillary electrochromatography

open access: yes, 2004
This review article summarizes the variety of polar stationary phases that have been employed for capillary electrochromatographic separations. Compared with reversed-phase stationary phases, the polar alternatives provide a completely different ...
Zou, HF, Xie, CH, Hu, JW, Fu, HJ
core   +1 more source

Capillary Electrochromatography for Chiral Separations: A Focus on Pharmaceutical, Agrochemical, and Biochemistry Applications and Recently Used Chiral Stationary Phases

open access: yesAnalytica
The separation of chiral compounds is a challenging issue in various fields, e.g., biochemistry, the pharmaceutical industry, food chemistry, forensics, agriculture, etc. Very often, one of the two enantiomers can exhibit different activity.
Maria Chiara Frondaroli   +3 more
doaj   +1 more source

Chiral separation by ligand-exchange

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2011
The principle of chiral ligand-exchange, introduced by Davankov, has become a widely used technique for chiral separation in both chromatography and in electromigration techniques.
Martin G Schmid, Gerald Gübitz
doaj   +1 more source

Water and organic content tuning of mobile phase for Enantioseparation of fungicides by capillary electrochromatography using cellulose Tris(3‑chloro-4-methylphenylcarbamate) based stationary phase

open access: yesJournal of Chromatography Open
This study investigated the effect of mobile phase composition, especially water content in a mixture of protic and non-protic organic solvents, on chiral recognition and separation efficiency using a cellulose tris(3‑chloro-4-methylphenylcarbamate ...
Giovanni D’Orazio, Salvatore Fanali
doaj   +1 more source

Novel and Functional Stationary Phase for Capillary Electrochromatography(Digest of Doctoral Dissertation)

open access: yes, 2007
Capillary electrochromatography (CEC) is a hybrid microseparation technique that combines electrophoretic and chromatographic separation principle. CEC has not yet found wide acceptance as a practical tool in the chromatographic community.
大山, 要
core  

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