胶体金与邻甲苯胺法检测大便潜血的比较  

Comparison of colloidal gold and o-tolidinein detecting feces occult blood

作　　者：何长生[1] 刘泽军[1] 胡珍国[1] 

机构地区：[1]第三军医大学西南医院检验科,重庆400038

出　　处：《重庆医学》2003年第12期1637-1638,共2页Chongqing medicine

摘　　要：目的　了解胶体金免疫法与邻甲联苯胺法检测大便隐血的灵敏度和特异性。方法　分析不同浓度血红蛋白液和 93份大便标本。结果　金标法检测下限为 0 .1mg/L ,邻甲联苯胺法为 1 .0mg/L ,但金标法与邻甲苯胺法符合率存在一定的差异。结论　两者联合运用可以降低假阳性 /阴性 。Objective To comprehend the sensibitity and specificity of colloidal gold immunization and o tolidine in detecting occult blood in feces. Methods The different concentration hemoglobin and 93 feces samples were analyzed.Results The results were that the lower limit of the colloidal gold immunization was 0.1mg/L and the o tolidine was 1.0mg/L.The coincidence rates of colloidal gold immunization and o tolidine had certain differences.Conclusion It can decrease pseudo positive or pseudo negative by using the two ways.Thus it can improve the accuracy of the detect.

关 键 词：胶体金免疫法 邻甲联苯胺法 大便潜血 

分 类 号：R446.13[医药卫生—诊断学]