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- W1573802624 abstract "本实验探讨影响GC/MS以及LC/MS/MS检测灵敏度的影响因素。对GC/MS法的固相萃取（SPE）和衍生化条件进行优化,测试了SPE、加热时间、温度、溶液及碱基化等因素。同时测试这些条件对LC/MC/MC法的灵敏度。结果表明,碱基化为影响GC/MS法灵敏度的主要因素,能提高灵敏度,对衍生化条件也有影响。通过对样本进行固相萃取,碱基化处理,GC/MS法的灵敏度为0.5ng/mL,LC/MC/MC法的为0.25ng/mL。采用这种更灵敏的方法,尿液中莱克多巴胺的测试窗口期可由2d提高到6d。经过优化的GC/MS法及LC/MS/MS方法灵敏度更高,适合猪尿中莱克多巴胺的检测。" @default.
- W1573802624 created "2016-06-24" @default.
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- W1573802624 date "2010-01-01" @default.
- W1573802624 modified "2023-09-23" @default.
- W1573802624 title "固相萃取（SPE）和衍生化条件的对GC/MS及LC/MS/MS法检测莱克多巴胺灵敏度的影响" @default.
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