Results 51 to 60 of about 3,507,248 (152)

Profiling of performance-enhancing and illicit drugs by using comprehensive two-dimensional gas chromatography [PDF]

open access: yes, 2010
The emerging need for better separation has arisen from the limitation of conventional one dimensional (one column) GC separation, which was unable to solve the perpetual problem where coelution causes imprecise or erroneous analytical results.
Mitrevski, B
core  

Enhancing the Steroid Sulfatase Activity of the Arylsulfatase from Pseudomonas aeruginosa [PDF]

open access: yes, 2018
Steroidal sulfate esters play a central role in many physiological processes. They serve as the reservoir for endogenous sex hormones and form a significant fraction of the steroid metabolite pool.
Kamerlin, Shina C. L.   +4 more
core   +3 more sources

Steroid metabolism in racing greyhounds [PDF]

open access: yes, 2014
The metabolism of androgenic anabolic steroids has been studied in the racing greyhound. Various drug preparations have been investigated utilising different derivatisation techniques, coupled with gas chromatographic analysis, to enable the ...
Simon Biddle (7166039)
core  

Validación de un método para la determinación de 19-norandrosterona en orina humana por Cromatografía de Gases acoplada a Espectrometría de Masas de Trampa de Iones [PDF]

open access: yes, 2004
El consumo de nandrolona rinde en el humano tres metabolitos fundamentalmente, 19-norandrosterona (19-NA), 19-noretiocolanolona (19-NE) y 19- norepiandrosterona. Estudios recientes han demostrado la producción endógena de 19-NA a niveles de concentración
Juan Francisco Sánchez Bruzón   +4 more
core   +1 more source

Dietary supplements containing prohibited substances: A review (Part 2) [PDF]

open access: yes, 2014
The role of prohormones, ‘classic’ and ‘designer’ steroids, clenbuterol, peptide hormones and newer molecules causing concern in dietary supplements is discussed.
van der Bijl, Pieter
core   +3 more sources

Recuperación de columnas de extracción en fase sólida DetectabuseTM para la detección de esteroides anabólicos en el control doping [PDF]

open access: yes, 2007
Las columnas DetectabuseTM han sido desarrolladas para la extracción cuantitativa de drogas a partir de fluidos biológicos; debido a su versatilidad y robustez son actualmente uno de los productos poliméricos más populares en la técnica de extracción en ...
Alberto Álvarez   +5 more
core   +1 more source

A practical approach [PDF]

open access: yes, 2020
Kollmeier, Annette Sophie   +1 more
core   +1 more source

Muscle activation patterns in shoulder impingement patients [PDF]

open access: yes, 2009
Introduction: Shoulder impingement is one of the most common presentations of shoulder joint problems 1. It appears to be caused by a reduction in the sub-acromial space as the humerus abducts between 60o -120o – the 'painful arc'. Structures between the
Goss-Sampson, Mark   +2 more
core  

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