Results 21 to 30 of about 1,138,619 (356)

Current developments in LC-MS for pharmaceutical analysis [PDF]

open access: yes, 2002
The current developments in liquid chromatography-mass spectrometry (LC-MS) and its applications to the analysis of pharmaceuticals are reviewed. Various mass spectrometric techniques, including electrospray and nanospray ionization, atmospheric pressure
Lim, Chang-Kee, Lord, Gwyn A.
core   +1 more source

Determination of palbociclib by high performance liquid chromatography

open access: yesJournal of Hebei University of Science and Technology, 2017
In order to establish an HPLC method for the content determination of palbociclib, HPLC is performed on the column of Agilent C18 (250 mm × 4.6 mm,5 μm)with the mobile phase of acetonitrile-water (300∶700,0.1% TFA included) at the flow rate of 1.0 mL/min,
Xiaodong SHI, Tian FAN, Jun YAO
doaj   +1 more source

Determination of catechins in cosmetics by high⁃performance liquid chromatography

open access: yesShanghai yufang yixue, 2022
ObjectiveTo establish a high⁃performance liquid chromatography (HPLC) quantitative method for the determination of epicatechin (EC), (-)⁃epicatechin gallate (ECG), (-)⁃epigallocatechin (EGC), (-)⁃epigallocatechin gallate (EGCG), (-)⁃gallocatechin (GC), (-
RU Ge   +3 more
doaj   +1 more source

Core-Shell Columns in High-Performance Liquid Chromatography: Food Analysis Applications [PDF]

open access: yes, 2016
Theincreased separation efficiency provided by the newtechnology of column packed with core-shell particles in high-performance liquid chromatography (HPLC) has resulted in their widespread diffusion in several analytical fields: from pharmaceutical ...
Preti, Raffaella
core   +3 more sources

Development and validation of an HPLC-UV method for purity determination of DNA

open access: yesMedicine Science, 2023
Determination of the concentration and the purity of DNAs is crucial for measuring the DNA copy number since it will influence further DNA analysis such as digital PCR (dPCR) and next-generation sequencing (NGS).
Merve Oztug, Burhanettin Yalcinkaya
doaj   +1 more source

New HPLC method for determination of fluvastatin anti-hyperlipidemic drug in bulk and pharmaceutical dosage using simvastatin as internal standard

open access: yesDrug Analytical Research, 2023
A new, and reliable RP–HPLC method has been investigated and validated for the assay of fluvastatin sodium (FVS) in pharmaceutical capsules. The chromatographic method was carried out using an ODS Hypersil C18 column (250×4.6 mm i.d., 5 µm particle size)
Safwan Ashour, Mouhammed Khateeb
doaj   +1 more source

Development of a High Coverage Pseudotargeted Lipidomics Method Based on Ultra-High Performance Liquid Chromatography–Mass Spectrometry

open access: yesAnalytical Chemistry, 2018
Lipid coverage is crucial in comprehensive lipidomics studies challenged by high diversity in lipid structures and wide dynamic range in lipid levels. Current state-of-the-art lipidomics technologies are mostly based on mass spectrometry (MS), including ...
Qiuhui Xuan   +8 more
semanticscholar   +1 more source

Analysis of Tocopherols by High Performance Liquid Chromatography

open access: yesE-Journal of Chemistry, 2009
: Gas chromatography is the key technique for organic components and also for tocopherols analysis. High performance liquid chromatography has an important role to take part in applications such as the handling of less usual samples, prevention of ...
B. Edison
doaj   +1 more source

Quantification of gangliosides by microbore high performance liquid chromatography.

open access: yesJournal of Lipid Research, 1996
A highly sensitive analytical method was developed that allows the separation of ganglioside mixtures and quantification of individual non-derivatized gangliosides in the concentration range between 2 pmol and 1 nmol.
R Wagener, B Kobbe, W Stoffel
doaj   +1 more source

Optimization of lutein-zeaxanthine separation on high performance liquid chromatography

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 1993
Separation of lutein and zeaxanthine which are carotenoidic isomeric pigments on High Performance Liquid Chromatography (HPLC) was investigated. Three different columns were used to separate standard mixtures: a normal phase silica column, a reversed ...
Crenguta TABACARU   +2 more
doaj   +1 more source

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