Try Worthington
http://www.worthington-biochem.com/default.html

Rocio Honigmann
Cedars-Sinai Medical Center

On Jan 13, 2004, at 11:19 PM, Kirbiš Srebotnik Irena wrote:

> Dear histoneters,
> we used to use Pepsin (porcine) from Serva:1 milliAnson U/mg, EC 3.4 
> 23 1,
> Mr ca. 36 000 which is no more available, is someone familiar with this
> activity unit for pepsin?, what kind of pepsin can we use instead?
> treatment with pepsin is a part of FNAB sample processing procedure 
> for the
> DNA measurements by flow cytometer.
>
> thanks for help
> Irena Kirbis
> Cytopathology Department
> Institute of Oncology
>
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