Results 111 to 120 of about 225,444 (245)

The effect of pressure and mobile phase velocity on the retention properties of small analytes and large biomolecules in ultra-high pressure liquid chromatography

open access: yes, 2012
A possible complication of ultra-high pressure liquid chromatography (UHPLC) is related to the effect of pressure and mobile phase velocity on the retention properties of the analytes.
McCalley, David V.   +4 more
core   +1 more source

Appendix E. Example of chromatogram from high-pressure liquid chromatography (HPLC) analyses of mussel gonadal tissue.

open access: yes, 2016
Example of chromatogram from high-pressure liquid chromatography (HPLC) analyses of mussel gonadal ...
Laura E. Petes (2932539)   +2 more
core   +1 more source

Application of a new high performance liquid chromatography method to the pharmacokinetics of dibudipine in rats [PDF]

open access: yes
Purpose: To develop a HPLC method for assay of dibudipine in biological fluids and to study its pharmacokinetics in the rat. Methods. HPLC: 2 μl (20 μg/ml) mebudipine as internal standard, 0.2 ml NaOH 1 M and 2 ml ethyl acetate were added to 0.2 ml of ...
محمودیان, مسعود   +3 more
core  

Standardization and validation of a high-efficiency liquid chromatography with a diode-array detector (HPLC-DAD) for voriconazole blood level determination

open access: yesBiomédica: revista del Instituto Nacional de Salud
Introduction. A specialized service for antifungal blood level determination is not available in Colombia. This service is essential for the proper follow-up of antifungal therapies. Objective.
Juan D. Zapata   +5 more
doaj   +1 more source

Gas chromatography-mass spectrometry and high-performance liquid chromatography-diode array detection for dating of paper ink

open access: yes, 2017
An extraction and determination method is shown for the analysis of dyes and solvents present in two types of ballpoint pen inks that are deposited onto paper. Ink extracts are analysed using a combination of gas chromatography with mass spectrometry (
Daura Vega-Moreno   +5 more
core   +1 more source

Assessment of Cotinine Levels in Saliva among Smokers and Nonsmokers in Belagavi City – A Clinical Study

open access: yesJournal of Indian Academy of Oral Medicine and Radiology
Background: Smoking is a leading cause of morbidity and mortality worldwide. Cotinine, the primary metabolite of nicotine, is a reliable biomarker of tobacco exposure, with a half-life of 15–40 hours detected in various body fluids, including saliva.
Sujata Byahatti   +2 more
doaj   +1 more source

Development of novel methods for the detection of coumarin, and its metabolites and their applications [PDF]

open access: yes, 1996
The research presented in this thesis has centered on the development of newer and better techniques for the determination of coumann, 7-hydroxycoumann and 7-hydroxycoumannglucuromde.
Bogan, Declan P.
core  

Determination of rifaximine in milk of dairy cows using High Pressure Liquid Chromatography (HPLC)

open access: yesRevista Científica, 2012
The objective of this work was to develop and validate a High Performance Liquid Chromatography (HPLC) method for the detection of rifaximine in milk of dairy cows.
José Luis íngeles Manjarrez   +3 more
doaj  

Purification of galactofipids by high-performance liquid chromatography for monolayer and Langmuir—Blodgett film studies

open access: yes, 1991
In order to obtain pure galactolipids usable for monolayer work at the nitrogen—water interface, and also for fluorescence intensity measurements in Langmuir—Blodgett films when mixed with chlorophyll a, purification procedures for mono- and ...
Gallant, Judith   +3 more
core   +1 more source

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