Quantitative polymerase chain reaction (#qPCR) is a variation of the traditional PCR methodology to not just rapidly amplify and copy a DNA sample but to count how much has been produced. Real-time qPCR is now considered to be the gold standard method in microarray analysis, which allows for the study of the expression levels of many #genes simultaneously. Learn more: https://ilphotonics.com/what-pcr-filter-challenges-affect-high-performance-qpcr-instruments/