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squallweathered

Member Since 02 Jul 2009
Offline Last Active Apr 23 2013 07:36 AM
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Topics I've Started

FAM and VIC S-curves

23 April 2013 - 07:35 AM

Hi all,

When using a VIC labelled TaqMAN probe in a singleplex qPCR assay of a DNA target on an AB7900, the S-curves come up in both VIC (expected!) and FAM. I realise that this is to be expected due to the spectral overlap.

However, when a similar assay is carried out but the original source material was RNA based (and converted to cDNA), S-curves are only generated in the VIC channel with no "bleed" into FAM at all.

Can anyone offer an explanation of why this would be?

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