[HTML][HTML] Coupling microchip pressure regulators with chipHPLC as a step toward fully portable analysis system

K Svensson, C Weise, H Westphal, S Södergren… - Sensors and Actuators B …, 2023 - Elsevier
Herein the coupling of a miniaturized, nanoliter scaled, pressure regulator (chipPR), and a
chipHPLC device is introduced. The active temperature based flow control of the chipPR is …

Rapid optical determination of enantiomeric excess, diastereomeric excess, and total concentration using dynamic-covalent assemblies: A demonstration using 2 …

BT Herrera, SR Moor, M McVeigh… - Journal of the …, 2019 - ACS Publications
Optical analysis of reaction parameters such as enantiomeric excess (ee), diastereomeric
excess (de), and yield are becoming increasingly useful as assays for differing functional …

A framework for the analysis of polar anticancer drugs in wastewater: On-line extraction coupled to HILIC or reverse phase LC-MS/MS

MA Vaudreuil, SV Duy, G Munoz, A Furtos, S Sauvé - Talanta, 2020 - Elsevier
With the consumption of chemotherapy agents, residues of anticancer drugs may be
increasingly found in hospital and municipal wastewaters. Quantification of these highly …

Method screening strategies of stereoisomers of compounds with multiple chiral centers and a single chiral center

J Lin, C Tsang, R Lieu, K Zhang - Journal of Chromatography A, 2020 - Elsevier
Abstract Analysis and control of stereoisomers is a major task in pharmaceutical analysis,
and is a greater challenge when compounds with multiple chiral centers (MCC) are …

Supercritical fluid chromatography and liquid chromatography for isomeric separation of a multiple chiral centers analyte

Z La, J Charton, L Etienne, J Bourey, E Lipka - Journal of Chromatography …, 2021 - Elsevier
The development of a chiral separation strategy has always been a challenge of crucial
importance, particularly in the pharmaceutical field. Chromatographic methods have …

A Colorimetric Method for Quantifying Cis and Trans Alkenes Using an Indicator Displacement Assay

SA Valenzuela, HSN Crory, CY Yao… - Angewandte Chemie …, 2021 - Wiley Online Library
A colorimetric indicator displacement assay (IDA) amenable to high‐throughput
experimentation was developed to determine the percentage of cis and trans alkenes. Using …

Enantioseparation using carboxymethyl-6-(4-methoxybenzylamino)-β-cyclodextrin as a chiral selector by capillary electrophoresis and molecular modeling study of …

Y Zhao, J Wang, Y Liu, Z Jiang, Y Song… - New Journal of …, 2020 - pubs.rsc.org
In this study, carboxymethyl-6-(4-methoxybenzylamino)-β-cyclodextrin (CMCDPN) was
synthesized for the first time and managed to be used as a chiral selector to enantioseparate …

[HTML][HTML] Separation of 4-substituted 5-methylpiracetam stereoisomers on polysaccharide-based chiral stationary phases

H Kažoka, B Turovska, T Upmanis - Journal of Chromatography Open, 2024 - Elsevier
Monitoring of stereoisomer content in samples containing chiral compounds with multiple
chiral centers is an important and challenging task in chiral liquid chromatography. 4-Phenyl …

Hydrophilic interaction liquid chromatography–tandem mass spectrometric approach for simultaneous determination of safingol and D-erythro-sphinganine in human …

HE Cho, BJ Maurer, CP Reynolds, MH Kang - Journal of Chromatography B, 2019 - Elsevier
A simple and specific hydrophilic interaction liquid chromatography-tandem mass
spectrometry (HILIC-MS/MS) method was developed for the simultaneous determination of …

Développement de méthodes analytiques et devenir environnemental de multiples classes de contaminants pharmaceutiques

MA Vaudreuil - 2024 - papyrus.bib.umontreal.ca
La consommation des composés pharmaceutiques est en constante croissance à travers le
monde et leur utilisation peut entraîner une accumulation dans l'environnement d'où leur …