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兴奋剂检测是一项难度很高又非常复杂的工作,表现在以下几个方面。(1)药物及其代谢物的种类多,变化大,禁用的百余种药物以原体或一个或多个代谢产物的形式存在于人的体液中,因此,需要检测和确证的化合物多达几百种。除此以外,用药后的不同时间,这些化合物的浓度不断的发生变化,直到排出体外。(2)药物在人的体液中的浓度很低,常常是毫微克(即十亿分之一克)或更低的水平,因此对检测的灵敏度要求很高。打一个比方,如果在一个25m×50m的标准游泳池中加入一勺糖,要求在池子的任何一处都可以测到糖的存
Doping detection is a very difficult and complicated task, manifested in the following aspects. (1) There are many kinds of drugs, their metabolites and their variations. Hundreds of banned drugs exist in human body fluids in the form of protoplasts or one or more metabolites. Therefore, compounds that need to be tested and confirmed up to Hundreds of species. In addition, the concentrations of these compounds change continuously at different times after treatment until excreted. (2) The concentration of the drug in human body fluids is very low, often in the order of nanograms (ie, one billionth of a gram) or less, and therefore requires high sensitivity to detection. For example, if a spoonful of sugar is added to a standard pool of 25m × 50m, it is required that the storage of sugar be measured at any point in the pond