Results 11 to 20 of about 31,244 (200)

A pilot study comparing the metabolic profiles of elite-level athletes from different sporting disciplines [PDF]

Sports Medicine - Open, 2018
Background The outstanding performance of an elite athlete might be associated with changes in their blood metabolic profile. The aims of this study were to compare the blood metabolic profiles between moderate- and high-power and endurance elite ...
Fatima Al-Khelaifi, Ilhame Diboun, Francesco Donati, Francesco Botrè, Mohammed Alsayrafi, Costas Georgakopoulos, Karsten Suhre, Noha A. Yousri, Mohamed A. Elrayess   +8 more
doaj   +3 more sources

Athlete Performance Monitoring in Anti-Doping [PDF]

Frontiers in Physiology, 2018
James Hopker, Yorck O. Schumacher, Matthew Fedoruk, Jakob Mørkeberg, Stéphane Bermon, Sergei Iljukov, Reid Aikin, Pierre-Edouard Sottas   +7 more
doaj   +4 more sources

Untargeted Metabolomics Identifies a Novel Panel of Markers for Autologous Blood Transfusion

Metabolites, 2022
Untargeted metabolomics was used to analyze serum and urine samples for biomarkers of autologous blood transfusion (ABT). Red blood cell concentrates from donated blood were stored for 35–36 days prior to reinfusion into the donors.
Amna Al-Nesf, Nada Mohamed-Ali, Vanessa Acquaah, Maneera Al-Jaber, Maryam Al-Nesf, Mohamed A. Yassin, Nelson N Orie, Sven Christian Voss, Costas Georgakopoulos, Rikesh Bhatt, Alka Beotra, Vidya Mohamed-Ali, Mohammed Al-Maadheed   +12 more
doaj   +1 more source

Reliability and validity of the Chinese version of the Athens insomnia scale for non-clinical application in Chinese athletes

Frontiers in Psychology, 2023
PurposeThis study aimed to revise and examine the reliability and validity of the Chinese version of the Athens Insomnia Scale for Non-clinical Application (AIS-NCA) among Chinese athletes.
Chenhao Tan, Jinhao Wang, Guohuan Cao, Chao Chen, Jun Yin, Jiaojiao Lu, Jun Qiu   +6 more
doaj   +1 more source

Determination of 27 Glucocorticoids in Urine by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry Using UniSpray^TM Source

Separations, 2023
Glucocorticoids (GCs) are a group of the most important and commonly used anti-inflammatory, antiallergenic, and immunosuppressive drugs. Like narcotics, they can be addictive if taken at increasing doses to achieve greater analgesic effects. The purpose
Mariola Wicka, Krzysztof Grucza, Aleksandra Drapała, Patryk Konarski, Dorota Kwiatkowska   +4 more
doaj   +1 more source

Determination of Ecdysterone in Dietary Supplements and Spinach by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry

Separations, 2021
Ecdysterone is a naturally occurring steroid hormone of the ecdysteroid class. This group is widely marketed to athletes in dietary supplements as a “natural anabolic agent”, advertised to increase strength and muscle mass during resistance training ...
Krzysztof Grucza, Mariola Wicka, Aleksandra Drapała, Dorota Kwiatkowska   +3 more
doaj   +1 more source

Relationship between sleep quality, mood state, and performance of elite air-rifle shooters

BMC Sports Science, Medicine and Rehabilitation, 2022
Background To evaluate the impact of pre-competition sleep quality on the mood and performance of elite air-rifle shooters. Methods Elite shooters who participated in an air-rifle shooting-competition from April 2019 to October 2019 were evaluated using ...
Jiaojiao Lu, Yan An, Jun Qiu
doaj   +1 more source

Derivatization-Enhanced Analysis of Glucocorticoids for Structural Characterization by Gas Chromatography-Orbitrap High-Resolution Mass Spectrometry

Molecules, 2023
Glucocorticoids are classified in section S9 of the Prohibited List of the World Anti-Doping Agency, due to a potential risk to improving physical performance and causing harm to the health of athletes.
Yuqi Ge, Mengpan Liu, Xiaojun Deng, Lei Liao   +3 more
doaj   +1 more source

Anti-doping analysis [PDF]

Analytical and Bioanalytical Chemistry, 2011
Sports drug testing has become a complex discipline facing numerous challenges, for example, the detection of prohibited drugs, the identification of prohibited methods, the discovery of manipulation, the assessment of analyte stability, etc. Because of the great variety of potential doping practices, doping-control laboratories utilize a broad ...
openaire   +2 more sources

The spirit of sport: the case for criminalisation of doping in the UK [PDF]

, 2017
This article examines public perceptions of doping in sport, critically evaluates the effectiveness of current anti-doping sanctions and proposes the criminalisation of doping in sport in the UK as part of a growing global movement towards such ...
B Goldman, B Goldman, Cycling Independent Reform Commission, D Husak, E Carolan, HA Solberg, J Anderson, J O’Leary, J Savulescu, J Soek, K Haugen, P Kimmage, S Backhouse, SH Kadish, V Lentillon-Kaestner, WM Brown   +15 more
core   +2 more sources