By doping beads with different mixtures, a range of responses to a given combination of odour molecules can be obtained.
Rivals from Singapore's National University claimed to have achieved nearly 20% by doping nanotubes with lithium, though only at high temperatures.
But Armstrong has long been dogged by doping allegations, with compatriot Floyd Landis -- who was stripped of his 2006 Tour de France title after failing a drug test -- making a series of claims in 2011.
In August, two months after Mr. Armstrong was first charged with doping by USADA, Ms. Jaeger left the group.
WSJ: Lance Armstrong Dropped By Star-Studded Charity Athletes For Hope
As the World Anti-Doping Agency noted, Armstrong could begin to redeem himself by speaking out about others in cycling with deep involvement in doping.
Sport has been rocked by several high-profile doping scandals in recent months with Lance Armstrong stripped of his seven Tour de France titles after admitting using banned substances.
CNN: Tennis serves up new measures in the fight against doping
Others, however, who saw Armstrong as a symbol of hope and solidarity were completely devastated by his fall, with some cynically wondering if Livestrong was a front to deflect attention from doping allegations.
The World Anti-Doping Agency also agreed with the sanctions, which means Armstrong may not compete in sports governed by WADA code.
Armstrong has been dogged by allegations of drugs abuse in recent years with compatriot Floyd Landis -- who was found guilty of doping in the 2006 Tour de France resulting in him being stripped of the title -- making a series of claims last year.
Armstrong has been dogged by allegations of drug abuse in recent years, with compatriot Floyd Landis -- who was found guilty of doping in the 2006 Tour de France, resulting in him being stripped of the title -- making a series of claims last year.
应用推荐