what's the difference between Ct and Cp values? - pardon my ignorance!! (Oct/31/2006 )

Just wondered if anyone could tell me what the difference is between Ct and Cp values- are they the same thing?
Thanks
Alison

well, Ct is 'threshold cycle'

I do not know Cp? where did you find it?

Hi there,
Cp is crossing point and Ct is crossing threshold.... they are the same. Almost everyone uses Ct but some papers, like Pfaffl seem to use Cp for some reason.

Thank you for your replies. I was hoping they were the same thing!