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Advances in ultra‐high‐pressure and multi‐dimensional liquid chromatography instrumentation and workflows [PDF]

open access: diamondAnalytical Science Advances, 2021
The present contribution discusses recent advances in ultra‐high‐pressure liquid chromatography (UHPLC) and multi‐dimensional liquid chromatography (MDLC) technology.
Jelle De Vos   +4 more
doaj   +2 more sources

Lipophilicity determination of β-hydroxy-β-arilalkanoic acids by reversed phase liquid chromatography under high pressure [PDF]

open access: diamondArhiv za farmaciju, 2018
Lipophilicity parameters (logP) were determined for thirteen synthesized β-hydroxy-β-arilalkanoic acids using reversed phase high performance liquid chromatography.
Savić Jelena   +4 more
doaj   +2 more sources

Enhancing Sustainable Analytical Chemistry in Liquid Chromatography: Guideline for Transferring Classical High-Performance Liquid Chromatography and Ultra-High-Pressure Liquid Chromatography Methods into Greener, Bluer, and Whiter Methods [PDF]

open access: yesMolecules
This review is dedicated to sustainable practices in liquid chromatography. HPLC and UHPLC methods contribute significantly to routine analytical techniques.
Sami El Deeb
doaj   +2 more sources

Bacterial Cell Wall Precursor Phosphatase Assays Using Thin-layer Chromatography (TLC) and High Pressure Liquid Chromatography (HPLC) [PDF]

open access: yesBio-Protocol, 2018
Peptidoglycan encases the bacterial cytoplasmic membrane to protect the cell from lysis due to the turgor. The final steps of peptidoglycan synthesis require a membrane-anchored substrate called lipid II, in which the peptidoglycan subunit is linked to ...
Manuel Pazos   +2 more
doaj   +2 more sources

Method transfer from high-pressure liquid chromatography to ultra-high-pressure liquid chromatography. II. Temperature and pressure effects

open access: greenJournal of Chromatography A, 2015
The importance of the generated temperature and pressure gradients in ultra-high-pressure liquid chromatography (UHPLC) are investigated and compared to high-pressure liquid chromatography (HPLC). The drug Omeprazole, together with three other model compounds (with different chemical characteristics, namely uncharged, positively and negatively charged)
Dennis Åsberg   +5 more
openalex   +5 more sources

Combination of Medium- and High-Pressure Liquid Chromatography for Isolation of L-tryptophan (Q-marker) from Medicago sativa Extract

open access: yesSeparations, 2022
Medicago sativa (alfalfa) is a widely used animal feed. However, its quality has been difficult to control due to the lack of appropriate marker compounds.
Shixuan Zhang   +4 more
doaj   +1 more source

Evaluation of chemiluminescence method for the analysis of plasma homocysteine and comparison with HPLC method in children samples [PDF]

open access: yesEinstein (São Paulo), 2010
Objective: To compare the results for homocysteine concentration using chemiluminescence and HPLC methods in samples from school-age children. In addition, to determine the reference values for patients of this age group and assess the real prognostic ...
Thais Moura Gascón   +9 more
doaj   +4 more sources

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