qPCR (real-time PCR) protocol explained
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Sammanfattning
qPCR(实时PCR)是一种有效的技术,用于定量确定样本中目标序列或基因的存在。它是检测病毒感染(如COVID-19)的金标准方法。通过提取RNA并逆转录为DNA,使用qPCR可以在光循环仪中分析DNA。与传统PCR不同,qPCR实时监测每个循环的产物积累,利用荧光探针生成经典的qPCR曲线。qPCR主要有两种方法:Cyber Green法和TaqMan法,分别通过不同的荧光信号实现DNA的定量检测。该技术广泛应用于诊断和基因表达分析。
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