Results 21 to 30 of about 3,056 (209)

Quantification of antithrombin isoform proportions in plasma samples of healthy subjects, sepsis patients, and in antithrombin concentrates [PDF]

, 2002
Antithrombin (AT) circulates in plasma in two isoforms, AT-alpha (90-95%) and AT-beta (5-10%). AT isoform proportions were measured in plasma samples of 17 healthy subjects and 26 posttraumatic or postoperative septic patients, as well as in 4 ...
Inthorn, D., Donges, R., Muhlbayer, D., Hoffmann, J. N., Romisch, J., Jochum, M., Stauss, H.   +6 more
core   +1 more source

Estratégias de pré-concentração em eletroforese capilar: parte 2. Manipulação da velocidade da fase dispersa/secundária Preconcentration strategies in capillary electrophoresis: part 2. Manipulation of the disperse/secondary velocity

Química Nova, 2010
This work describes CE preconcentration strategies based on the effect of manipulation of the disperse/secondary velocity. Introduced by Terabe et al. in 1984, micellar electrokinetic chromatography is a powerful separation approach that increases the ...
Maria de Lourdes L. de Moraes, Marina F. M. Tavares, Elisabete A. Pereira   +2 more
doaj   +1 more source

Ultrasound-Assisted Extraction Coupled With Derivatization for Sensitive High-Performance Liquid Chromatography Determination of Resorcinol in Permanent Hair Dyes. [PDF]

J Sep Sci
The study presents a sensitive HPLC‐fluorescence method for determining resorcinol in hair dyes using dopamine derivatization and ultrasound‐assisted extraction. The approach enhances selectivity and achieves low detection limits, with validated accuracy and robustness. Application to commercial products confirms compliance with regulations. The method
Ntorkou M, Letsika K, Tzanavaras PD, Zacharis CK.   +3 more
europepmc   +2 more sources

Quantitative bioanalytical and analytical method development of dibenzazepine derivative, carbamazepine: A review

Journal of Pharmaceutical Analysis, 2015
Bioanalytical methods are widely used for quantitative estimation of drugs and their metabolites in physiological matrices. These methods could be applied to studies in areas of human clinical pharmacology and toxicology. The major bioanalytical services
Prasanna A. Datar
doaj   +1 more source

Separation of Sympathomimetic Amines of Abuse and Related Compounds by Micellar Electrokinetic Chromatography [PDF]

, 2001
Separation of twelve sympathomimetic amines and related compounds by micellar electrokinetic chromatography (MEKC) with UV absorbance detection is described.
Kuroda, Naotaka, Naotaka KURODA, Sato, Daisuke, Ohyama, Kaname, Wada, Mitsuhiro, Nakashima, Kenichiro, Yuji NAKAHARA, Nakahara, Yuji, Mitsuhiro WADA, Kenichiro NAKASHIMA, Daisuke SATO, Kaname OHYAMA   +11 more
core   +1 more source

20 Years of Fatty Acid Analysis by Capillary Electrophoresis

Molecules, 2014
A review taking into account the literature reports covering 20 years of fatty acid analysis by capillary electrophoresis is presented. This paper describes the evolution of fatty acid analysis using different CE modes such as capillary zone ...
Marcone Augusto Leal de Oliveira, Brenda Lee Simas Porto, Isaura Daniele Leite Faria, Patricia Lopes de Oliveira, Patricia Mendonça de Castro Barra, Renata de Jesus Coelho Castro, Renata Takabayashi Sato   +6 more
doaj   +1 more source

Phytochemical analysis of Panax species: a review

Journal of Ginseng Research, 2021
Panax species have gained numerous attentions because of their various biological effects on cardiovascular, kidney, reproductive diseases known for a long time.
Yuangui Yang, Zhengcai Ju, Yingbo Yang, Yanhai Zhang, Li Yang, Zhengtao Wang   +5 more
doaj   +1 more source

Monitoring of cefepime in human serum and plasma by micellar electrokinetic capillary chromatography: Improvement of sample preparation and validation by liquid chromatography coupled to mass spectrometry. [PDF]

, 2017
Cefepime monitoring in deproteinized human serum and plasma by micellar electrokinetic capillary chromatography and liquid chromatography coupled to mass spectrometry in presence of other drugs is reported.
Šestáková, Nela, Parham Sendi, Thormann, Wolfgang, Regula Theurillat, Theurillat, Regula, Nela Šestáková, Sendi, Parham, Wolfgang Thormann   +7 more
core   +1 more source

Recent Developments in Deep Eutectic Solvents Applications in Liquid Chromatography: 2019-2025. [PDF]

J Sep Sci
ABSTRACT Deep eutectic solvents (DES) are used as mobile phase and stationary phase modifiers, or as for the stationary phase itself for thin layer/liquid/supercritical chromatography. Their specific properties can improve the separation selectivity, reduce peak tailing, and shorten the separation time.
Demir D, Antos J, Švec F, Sklenářová H.   +3 more
europepmc   +2 more sources

Dual cloud point extraction coupled with hydrodynamic-electrokinetic two-step injection followed by micellar electrokinetic chromatography for simultaneous determination of trace phenolic estrogens in water samples [PDF]

, 2013
A dual cloud point extraction (dCPE) off-line enrichment procedure coupled with a hydrodynamic-electrokinetic two-step injection online enrichment technique was successfully developed for simultaneous preconcentration of trace phenolic estrogens ...
Chen, LX (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China. lxchen@yic.ac.cn, Wen, Yingying, Chen, Lingxin, Li, Jinhua, Ma, Jiping, Liu, Junshen, Lu, Wenhui   +6 more
core   +1 more source