免疫色谱法是一种通过将含有分析物的样品滴到试纸上来检测疾病的检测方法。这是一种快速而简单的技术,可在样本滴落后 10 至 15 分钟内生成诊断结果。表明检测结果呈阳性的过敏反应显示为彩色线。
使用免疫色谱法的检测结果通常通过目视检查来判断,但使用高灵敏度读取仪可以凭借良好准确性的检测出疾病,即使彩色线非常细。由于彩色线的强度与样品中的分析物量成比例,因此提高读取仪的灵敏度可以从极少量样品中获得良好的检测结果,从而减轻被检测者的负担。
通过免疫色谱法进行的常规测量技术
使用读取仪时的典型测量技术。
由于与吸收法相比,探测效率高,因此该技术是病毒量极少时的理想选择。
目视检查 | 读取仪检测 | ||
---|---|---|---|
吸收法 | 荧光法 | ||
灵敏度 | 低 | 高 | 非常高 |
易于操作 | 简单 | 不太简单 | |
时间管理 | 手环 | 自动 | |
试剂错误检测 | 不可检测 | 读取仪可以检测 | |
反应结果数字化 | 按颜色表判断 | 由读取仪判断 | |
记录判断结果 | 需要扫描仪或相机 | 自动 |
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