Results 151 to 160 of about 487,084 (233)

Interlaboratory comparison of phosphatidylethanol in dried blood spots using different sampling devices

open access: yesDrug Testing and Analysis, EarlyView.
In this article, we present the results of three rounds of interlaboratory comparison conducted in 2022 and 2023 for phosphatidylethanol (PEth) in authentic fresh blood samples using different types of microsampling devices. More than 20 laboratories from Europe and the US participated, and 73% quantified and reported all 12 samples covering a range ...
Matthias Bantle   +3 more
wiley   +1 more source

Beta2‐adrenergic agonist salbutamol exhibits enantioselective disposition in skeletal muscle of lean young men following oral administration

open access: yesDrug Testing and Analysis, EarlyView.
Oral administration of salbutamol shows enantioselective disposition in human skeletal muscle, favoring the (S)‐enantiomer with higher relative partitioning of the pharmacologically active (R)‐enantiomer in muscle. This is concerning from an anti‐doping point of view because the anabolic properties demonstrated for salbutamol can potentially be ...
Morten Hostrup   +5 more
wiley   +1 more source

Heparin suppresses FoxO1/pFoxO1 signaling axis in vascular smooth muscle cells. [PDF]

open access: yesBiochem Biophys Rep
Shokri N   +3 more
europepmc   +1 more source

Further Investigation Into an Environmental Source for Aminorex

open access: yesDrug Testing and Analysis, EarlyView.
The results provide evidence that resedine is an intermediary compound between barbarin and aminorex in horses and that resedine can be used as a biomarker to eliminate the reporting of aminorex positives originating from the ingestion of plants from the Brassicaceae family.
Lydia Brooks   +3 more
wiley   +1 more source

The Assay of Heparin

open access: yesJournal of Pharmacy and Pharmacology, 1956
openaire   +3 more sources

Administration Studies in Equine Antidoping Research: Designing Scientific Investigations to Effectively Direct Medication Control in Racehorses

open access: yesDrug Testing and Analysis, EarlyView.
ABSTRACT Pharmacokinetics is the study of the movement of drug in the body and includes the processes of absorption, distribution, metabolism, and excretion. Pharmacodynamics is the pharmacologic effect of the drug on the body. The pharmacokinetics of a drug determines its pharmacologic effect. Pharmacokinetic studies describe drug concentrations while
Heather K. Knych
wiley   +1 more source

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