Benzoyl chloride derivatization with liquid chromatography–mass spectrometry for targeted metabolomics of neurochemicals in biological samples

JMT Wong, PA Malec, OS Mabrouk, J Ro, M Dus… - … of Chromatography A, 2016 - Elsevier
Widely targeted metabolomic assays are useful because they provide quantitative data on
large groups of related compounds. We report a high performance liquid chromatography …

Systematic comparison of sensitivity between hydrophilic interaction liquid chromatography and reversed phase liquid chromatography coupled with mass …

A Periat, J Boccard, JL Veuthey, S Rudaz… - … of Chromatography A, 2013 - Elsevier
Hydrophilic interaction liquid chromatography (HILIC) appears as a promising strategy to
increase sensitivity with electrospray ionization source (ESI/MS). In the present study, peak …

Hydrophilic interaction chromatography versus reversed phase liquid chromatography coupled to mass spectrometry: Effect of electrospray ionization source geometry …

A Periat, I Kohler, A Bugey, S Bieri, F Versace… - … of Chromatography A, 2014 - Elsevier
In this study, the influence of electrospray ionization (ESI) source design on the overall
sensitivity achieved in hydrophilic interaction chromatography (HILIC) and reversed phase …

[HTML][HTML] Selectivity and sensitivity improvements for ionizable analytes using high-pH-stable superficially porous particles

X Wang, A Mack, WE Barber, W Long - 2015 - chromatographyonline.com
The most significant recent advancement in liquid chromatography (LC) column technology
is the new generation of superficially porous silica particles. While chromatographers enjoy …

Pteridine determination in human serum with special emphasis on HPLC methods with fluorimetric detection

A Espinosa-Mansilla, I Durán-Merás - Pteridines, 2017 - degruyter.com
Conjugated and unconjugated pteridines and their derivatives are important cofactors in
cellular metabolism. Hence, the amount of unconjugated pteridines in biological fluids has …

Optimization of SPE method for the extraction of 12 neurotransmitters from sheep brain

R Tampu, C Tampu, C Elfakir - Ovidius University Annals of Chemistry, 2020 - sciendo.com
The present paper presents our attempts concerning the development of an extraction
method for catecholamines. In order to achieve the extraction of all the selected solutes …

[PDF][PDF] Analisi di droghe di abuso a basso e alto pH tramite LC/MS con utilizzo di una colonna Poroshell HPH C18 Agilent

W Long - agilent.com
In questa nota applicativa si confronta l'analisi LC/MS di varie sostanze associate a droghe
di abuso ad alto e basso pH, utilizzando un gradiente generico con elettrospray in modalità …

Liquid Chromatography-Mass Spectrometry Strategies for in vivo Neurochemical Monitoring with Microdialysis.

JM Wong - 2016 - deepblue.lib.umich.edu
Liquid chromatography mass spectrometry (LC-MS) is a powerful analytical tool for multi-
analyte quantification. This method can be combined with microdialysis sampling to study …

[PDF][PDF] Análisis de drogas de abuso a valores de pH bajos y altos mediante LC/MS con una columna Agilent Poroshell HPH C18

W Long - agilent.com
En esta nota de aplicación se comparan los resultados del análisis de varios compuestos
asociados con drogas de abuso a valores de pH bajos y altos mediante cromatografía de …

[PDF][PDF] Методические рекомендации

У Лонг - РАЗРАБОТКА И РЕГИСТРАЦИЯ ЛЕКАРСТВЕННЫХ … - pharmjournal.ru
В данных методических рекомендациях рассмотрен анализ нескольких соединений,
относящихся к препаратам, вызывающим лекарственную зависимость, методом ЖХ …