Doping Test

The Athletics Integrity Unit has extended the ban on Nigeria’s 2008 long jump silver medalist Blessing Okagbare to 11 years. The Nigerian was previously suspended for 10 years for doping in February 2022. But the AIU in a document obtained on Monday added one additional year to Okagbare’s ban after…

An international group of scientists has used bulk passivation and surface passivation techniques to implement terbium doping in an all-inorganic perovskite solar cell, while using quantum dots to improve the stability of the perovskite itself. May 27, 2022 Emiliano Bellini An international research group has built an all-inorganic perovskite solar…

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South African batter Zubayr Hamza (Charle Lombard/Gallo) Charle Lombard/Gallo Images Proteas batter Zubayr Hamza insists he never intentionally took a prohibited substance after copping a nine-month suspension for a doping violation. READ | Proteas star Hamza banned for 9 months for doping The International Cricket Council (ICC) released a statement…

Proteas batter Zubayr Hamza has been suspended from all cricket-related activities for nine months after admitting to an anti-doping rule violation under the ICC anti-doping code. The International Cricket Council (ICC) said on Tuesday Hamza provided an out-of-competition sample on January 17 in Paarl in which prohibited substance Furosemide was…

UFC flyweight up-and-comer Erin Blanchfield has accepted a public warning from USADA stemming from a recent violation of the promotion’s anti-doping policy. Blanchfield, 23, failed to apply for a therapeutic use exemption (TUE) for her use of topical spironolactone, a banned prescription medication “which she used under the care of…

Christian Coleman wins at the USATF Indoor Championships at Albuquerque Convention Centre on 15 February 2020. Christian Petersen/Getty Images US sprint star Christian Coleman took first place in his 100-metre debut after returning from a ban for breaching anti-doping rules, clocking a "pretty decent" 10.09sec in Tokyo on Sunday. The…

A Swiss-Japanese research group has used ionic liquids doping to improve the efficiency and stability of perovskite solar cells. Their champion device showed an open-circuit voltage of 1.16 V, a short-circuit current of 24.03 (mA cm−2), and a fill factor of 0.818. It was also able to retain around 95%…

Kamila Valieva. (Reuters Photo) Russian President Vladimir Putin said on Tuesday that teenage figure skater Kamila Valieva's performances could not have been achieved with the help of any banned substances. Valieva, who turned 16 on Tuesday, failed a doping test at the Russian national championships last December but the result…

The Canadian men's 4x100-metre relay team at Tokyo 2020 was upgraded to silver on Thursday as Great Britain, which placed second in the event, was asked to return its medals following sprinter C.J. Ujah's doping violation. Canada's Andre De Grasse, Brendon Rodney, Aaron Brown and Jerome Blake celebrate after winning…