Reagent suppressing long PCR product?

Yinhua Zhang yz66 at
Wed Dec 9 17:36:42 EST 1998

Hi, there, 
	Does anyone known there is a chemical that can reduce the
efficiency of long PCR product (say 3kb) but relatively has no effect on
short PCR product (say 1kb)?   The PCR for these two product uses the same
pair of primers.  Thanks for advices.

Yinhua Zhang

P&S 5-401
Dept Biochem. & Mol. Biophys.
College of Physicians and Surgeons
Columbia university
630 West 168 Street
New York, NY10032
Tel. (212) 305-5626
Fax. (212) 305-7932

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