Results 21 to 30 of about 809,060 (344)

Determination of isotretinoin in human plasma: Application to pharmacokinetic study

open access: yesBulletin of Faculty of Pharmacy Cairo University, 2012
A simple, rapid, sensitive and accurate HPLC–UV detection method was developed and validated for the determination of isotretinoin in human plasma. The method involves protein precipitation of plasma by acetonitrile using nifedipine as the internal ...
Nisreen F. Abo-Talib   +2 more
doaj   +1 more source

Validated Reversed-Phase Liquid Chromatographic Method with Gradient Elution for Simultaneous Determination of the Antiviral Agents: Sofosbuvir, Ledipasvir, Daclatasvir, and Simeprevir in Their Dosage Forms

open access: yesMolecules, 2020
A simple, rapid, sensitive, and precise reversed-phase liquid chromatographic method was developed and validated for the simultaneous determination of four direct-acting antivirals, sofosbuvir (SF), ledipasvir (LD), declatasvir (DC), and simeprevir (SM),
Essam Ezzeldin   +5 more
doaj   +1 more source

Bioavailability of orange juice (poly)phenols: the impact of short-term cessation of training by male endurance athletes [PDF]

open access: yes, 2017
Background: Physical exercise has been reported to increase the bioavailability of citrus flavanones. Objective: To investigate the bioavailability of orange juice (OJ) (poly)phenols in endurance-trained men before and after cessation of training for 7 ...
Crozier, Alan   +7 more
core   +2 more sources

Pharmacokinetics of a Modified-Release Dexamphetamine Sulfate Formulation Following Single and Multiple Dosing in Healthy Adults: Comparative Bioavailability with Immediate-Release Dexamphetamine Sulfate, between Strengths, Assessment of Food and Meal Composition Effects

open access: yesScandinavian Journal of Child and Adolescent Psychiatry and Psychology, 2023
A modified-release dexamphetamine sulfate formulation (DEX-MR) is under development for the treatment of attention-deficit/hyperactivity disorder.
Sandersleben Henrik Uebel-von   +4 more
doaj   +1 more source

14C-Cobalamin Absorption from Endogenously Labeled Chicken Eggs Assessed in Humans Using Accelerator Mass Spectrometry. [PDF]

open access: yes, 2019
Traditionally, the bioavailability of vitamin B-12 (B12) from in vivo labeled foods was determined by labeling the vitamin with radiocobalt (57Co, 58Co or 60Co).
Allen, Lindsay H   +6 more
core   +2 more sources

UPLC–MS/MS assay for quantification of an inhibitor of kinases (Foretinib) in plasma: Application to a pharmacokinetic study in rats

open access: yesSaudi Pharmaceutical Journal, 2020
Foretinib, an oral multikinase inhibitor, is known to have anti-tumor effects against cancers. The doses and the levels of foretinib vary based on the type of cancer to be treated.
Essam Ezzeldin   +4 more
doaj   +1 more source

Influence and interactions of multi-factors on the bioavailability of PAHs in compost amended contaminated soils [PDF]

open access: yes, 2014
Compost amendment to contaminated soils is a potential approach for waste recycling and soil remediation. The relative importance and interactions of multiple factors on PAH bioavailability in soils were investigated using conjoint analysis and five-way ...
Coulon, Frederic   +5 more
core   +1 more source

Comparative bioavailability of vitamins in human foods sourced from animals and plants

open access: yesCritical reviews in food science and nutrition, 2023
Vitamins are essential components of enzyme systems involved in normal growth and function. The quantitative estimation of the proportion of dietary vitamins, that is in a form available for utilization by the human body, is limited and fragmentary. This
Sylvia M. S. Chungchunlam, P. Moughan
semanticscholar   +1 more source

Immobilization and assessment of heavy metals in chicken manure compost amended with rice straw-derived biochar

open access: yesEnvironmental Pollutants & Bioavailability, 2021
In this study, a 30-days laboratory experiment was implemented to investigate the impact of additive biochar on the stabilization of heavy metals in chicken manure compost.
Hui Li   +6 more
doaj   +1 more source

Zinc accumulation and utilisation by wine yeasts [PDF]

open access: yes, 2009
The present study has focused on the accumulation of zinc by wine yeast strains of Saccharomyces cerevisiae during fermentation of both grape juice and chemically defined medium with different carbohydrates and at varying levels of zinc. The results have
Bollag, Tatiana   +4 more
core   +2 more sources

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