real time PCR

Melting curve analysis in Real-time PCR

Melting curve analysis and detection systems Melting curve analysis can only be performed with realtime PCR detection technologies in which the fluorophore remains associated with the amplicon. Amplifications that have used SYBR® Green I or SYBR® GreenER™ dye can be subjected to melting curve analysis. Dual-labeled probe detection systems such as TaqMan® probes are not […]

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Real-time PCR fluorescence detection systems

Real-time PCR fluorescence detection systems Real-time fluorescent PCR chemistries Many real-time fluorescent PCR chemistries exist, but the most widely used are 5” nuclease assays such as TaqMan®Assays and SYBR® Green dye–based assays (Figure 1). The 5” nuclease assay is named for the 5” nuclease activityassociated with Taq DNA polymerase (Figure 2). The 5” nuclease domain

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STEPS INVOLVED IN PERFORMING REAL-TIME PCR

Real-time PCR is a variation of the standard PCR technique that is commonly used to quantify DNA or RNA in a sample. Using sequence-specific primers, the number of copies of a particular DNA or RNA sequence can be determined. By measuring the amount of amplified product at each stage during the PCR cycle, quantification is

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