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一种在8分钟内检测四种毒品的方法被开发出来.这种方法简单,快速,准确,可以一次测出尿样中是否含有吸毒者常用的四种毒品代谢物THC(l-nor-Δ-9-tetrahydrocannabirol-9-carboxylicacid)、COC(cocaine)、MOR(morphine)、AMP(amphetamine),这种测试的毒品浓度截止点分别为THC:50ng/ml,COC:300ng/ml,MOR:300ng/mlAMP:1000ng/ml.当尿样中毒品浓度在50%和150%截止点浓度时,本测试方法的准确率大于99%,尿液中可能存在会和测试试剂起交叉反应的51种物质被证明对本测试系统无干扰作用.通过气相色谱/质谱证实是阳性的尿样经本测试系统测定,结果符合率大于或等于97%.
A method to detect four drugs within 8 minutes has been developed. This method is simple, rapid and accurate, and can determine whether the urine sample contains four commonly used drug metabolites THC (l-nor-Δ-9-tetrahydrocannabirol-9-carboxylic acid), COC (Morphine) and AMP (amphetamine). The cut-off points for drugs in this test were THC: 50 ng / ml, COC: 300 ng / ml, MOR: 300 ng / ml AMP: 1000 ng / ml, respectively. The accuracy of this test method is greater than 99% when the drug concentration in urine is at 50% and 150% cutoff points. There may be 51 substances in the urine that will cross-react with the test reagents without interference with this test system effect. Urine samples that were positive by gas chromatography / mass spectrometry were tested by this test system and found to have a coincidence greater than or equal to 97%.