FAQ-2980
Is there a risk of crosstalk from the FAM channel to the VIC channel if the residual DNA target is present in very high copy numbers?
Usually the amount of gDNA in process samples is low, for example, in the ng range or even lower. Therefore, no crosstalk is expected.
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Certal Residual DNA Detection Kits
When working with biopharmaceuticals, it is essential to evaluate the final therapeutic material to ensure that it is free of contaminating substances, such as residual DNA from the host cell. Certal Residual DNA Detection Kits are designed for sensitive and rapid real-time PCR quantification of residual host cell genomic DNA using dual-labeled hydrolysis (also known as TaqMan®) probes. The Certal CHO Detection Kit contains reagents for duplex real-time PCR detection of CHO residual host cell DNA, plus the Certal Internal Control. The kit also includes the Certal Residual DNA Positive Control, which verifies the functionality of the PCR assay in the absence of a signal from CHO host cell DNA, and 2 formats of ROX passive reference dye in different concentrations, enabling use on virtually any real-time instrument.