doping


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Related to doping: blood doping, semiconductor

doping,

in electronics: see semiconductorsemiconductor,
solid material whose electrical conductivity at room temperature is between that of a conductor and that of an insulator (see conduction; insulation). At high temperatures its conductivity approaches that of a metal, and at low temperatures it acts as an insulator.
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.

Doping

 

pharmacological and other agents that when injected into the body quickly and temporarily stimulate its physical and nervous activity.

Doping has been known since ancient times when it was used by cultists, shamans, and warriors in Africa, India, ancient Greece, Rome, and elsewhere. Beginning in the late 19th century doping became widespread in a number of countries as a means of increasing the speed of race horses. In the 20th century doping began to be used in sports in some capitalist countries. Studies have been published on the search for and use of dope in medicine, veterinary medicine, and so forth.

Among the agents that can be used as dope (depending on the specific nature of the sport or other activity) are sympathomimetic amines (amphetamine, methylamphetamine, ephedrine), central nervous system stimulants and analeptics (strychnine, transaminum, indopanum, leptamine), narcotics and pain relievers (morphine and its derivatives, opium), general stimulants (preparations of ginseng, Schizandra chinensis, and Rhaponticum carthamoides, and monoamine oxidase inhibitors), tranquilizers (Valium, Librium, Andaxin, Noxyronum), and ethyl alcohol in various mixtures.

The use of dope in sports makes conditions unequal, and it may do physical and mental harm to human beings. Many cases of poisoning of athletes are known abroad. Fatalities caused by taking dope have been recorded in international boxing and bicycling competitions. In some countries (for example, Belgium and Italy) where the use of dope is widespread, state laws forbidding it have been passed. Since the fight against dope is a matter of great moral, ethical, legal, and sports significance, the International Olympic Committee meeting in Lausanne on Dec. 20, 1967, decided to ban the use of dope in sports and to organize antidoping controls at international competitions. An athlete found using dope is disqualified.

V. A. SEMENOV, N. A. FROLOCHKINA and E. E. CHERKASOV

doping

[′dōp·iŋ]
(electronics)
The addition of impurities to a semiconductor to achieve a desired characteristic, as in producing an n-type or p-type material. Also known as semiconductor doping.
(engineering)
Coating the mold or mandrel with a substance which will prevent the molded plywood part from sticking to it and will facilitate removal.

doping

Altering the electrical conductivity of a semiconductor material, such as silicon, by chemically combining it with foreign elements. It results in an excess of electrons (n-type) or a lack of electrons (p-type) in the silicon. See n-type silicon and silicon.
References in periodicals archive ?
The post Russia says complied with WADA norms, open for cooperation on doping appeared first on Cyprus Mail .
The only possible way to fight doping effectively is through education, she declared in a statement ahead of the fifth session of the International Convention against Doping in Sport at UNESCO headquarters in Paris, with the theme of educating young sportspersons about the danger of using prohibited substances.
Stakeholders' consensus for a clean and fair sport is in contrast to the level of doping in cycling.
To stay ahead of the doping community, Dr Alsayrafi said some approaches like in vivo models will help to identify stable metabolites of known dopants or metabolites of new dopants.
AK also said the country's new anti-doping agency was now operational, something the World Anti-Doping Agency had pushed for after allegations of widespread doping among Kenyan athletes were made by German broadcaster ARD back in 2012.
It follows a programme broadcast by German TV station ARD on widespread doping in Russia.
Malcolm insisted his fellow London 2012 Olympic athlete was not knowingly guilty of doping.
Vece Paes heads the BCCIappointed team that has been assigned to administer the anti- doping programme in Indian domestic cricket.
The anti-doping bodies have also revealed that an athlete's 'biological passport' should be used much widely, which will show up tine changes made to the individual's unique genetic blueprint by doping substances and methods, without the need to identify the presence of the substance itself, when regularly monitored.
TEHRAN (FNA)- Physical doping and brain doping apparently often go hand in hand.
Summary: All of the stakeholders in sport are fully aware of the high prevalence of doping and the dangers that it presents, both to the health of athletes and to the integrity of the competitions.
Section head Dr Hussain Al Haddad said this campaign was part of a plan to increase awareness in combatting doping.