Results 1 to 10 of about 96,174 (119)

Strategic priorities and barriers to an effective anti-doping programme: views and opinions of European NADO leaders [PDF]

Frontiers in Sports and Active Living
National Anti-Doping Organizations (NADOs) play significant role in implementing the World Anti-Doping Code, yet little empirical research exists regarding their strategic priorities and perceptions about national and global anti-doping measures.
Fredrik Lauritzen, Michael Petrou
doaj   +2 more sources

Comparative Analysis of the Influence of Coaches' Beliefs on the Attitude of Athletes to the Use of Prohibited Substances

Banber Erevani Hamalsarani. Sots'iologia, 2023
This study focuses on the beliefs and attitudes towards doping of Coaches and Athletes in Armenia, Georgia and Moldova, and on the similarities and differences between Armenia, Georgia and Moldova on these measures.
Areg Hovhannisyan, Gohar Sahakyan, Teimuraz Ukleba, Elena Arhip, Geoffrey Jalleh, Rob Donovan   +5 more
doaj   +1 more source

Psychological changes in athletes infected with Omicron after return to training: fatigue, sleep, and mood [PDF]

PeerJ, 2023
Background This study aims to analyze the changes of approximately 1 month in fatigue, sleep, and mood in athletes after returning to training following infection with the COVID-19 Omicron strain and provide recommendations for returning to training ...
Chenhao Tan, Jinhao Wang, Guohuan Cao, Yelei He, Jun Yin, Yudan Chu, Zhizhong Geng, Longji Li, Jun Qiu   +8 more
doaj   +2 more sources

Stable Isotope Labeling-Based Nontargeted Strategy for Characterization of the In Vitro Metabolic Profile of a Novel Doping BPC-157 in Doping Control by UHPLC-HRMS

Molecules, 2023
Traditional strategies for the metabolic profiling of doping are limited by the unpredictable metabolic pathways and the numerous proportions of background and chemical noise that lead to inadequate metabolism knowledge, thereby affecting the selection ...
Tian Tian, Jing Jing, Yuanyuan Li, Yang Wang, Xiaojun Deng, Yuanhong Shan   +5 more
doaj   +1 more source

Chronotype characteristics of professional athletes in China: a comprehensive descriptive study

Journal of Physiological Anthropology, 2023
Background Chronotype has gained recognition as a significant factor in enhancing athletic performance. This study aimed to deepen our understanding of athletes’ sleep chronotypes and provide a foundation for developing evidence-based training and ...
Chenhao Tan, Jiaojiao Lu, Jinhao Wang, Yan An, Guohuan Cao, Defeng Zhao, Jun Qiu   +6 more
doaj   +1 more source

Development and validation of a method for analyzing the sialylated glycopeptides of recombinant erythropoietin in urine using LC–HRMS

Scientific Reports, 2023
Erythropoietin (EPO) is a glycoprotein hormone that stimulates red blood cell production. It is produced naturally in the body and is used to treat patients with anemia.
Yoondam Seo, Jisoo Park, Hyeon-Jeong Lee, Minyoung Kim, Inseon Kang, Junghyun Son, Min-Kyu Oh, Hophil Min   +7 more
doaj   +1 more source

Variation of Sequential Ligandrol (LGD-4033) Metabolite Levels in Routine Anti-Doping Urine Samples Detected with or without Other Xenobiotics

Molecules, 2023
Ligandrol, also known as LGD-4033, belongs to the group of selective androgen receptor modulators (SARMs). Ligandrol was first included in the WADA Prohibited List in 2018.
Dorota Kwiatkowska, Mariola Wicka, Krzysztof Grucza, Patryk Konarski, Aleksandra Drapała, Paweł Kaliszewski   +5 more
doaj   +1 more source

Downregulation of CYP17A1 by 20-hydroxyecdysone: plasma progesterone and its vasodilatory properties

Future Science OA, 2022
Aim: To investigate the effect of 20-hydroxyecdysone on steroidogenic pathway genes and plasma progesterone, and its potential impact on vascular functions.
Maneera Y Aljaber, Nelson N Orie, Asmaa Raees, Suhail Kraiem, Mashael Al-Jaber, Waseem Samsam, Mostafa M Hamza, David Abraham, Norman M Kneteman, Alka Beotra, Vidya Mohamed-Ali, Mohammed Almaadheed   +11 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

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