PPD-is it available freely for research purpose.

Edmund C. Lattime LattimEC at umdnj.edu
Fri Sep 24 15:18:51 EST 1999

The problem with PPD as it is available in this country is that it is at a
low concentration and has preservative in it that negates its use in-vitro.
The Danish State Serum Institute sells the product for research at high
concentration in saline.  You have to get it through customs though.

Good luck

E. Lattime

"V.Dheenadhayalan" wrote:

> Hello..
> I would like receive information or details on the availability of PPD
> (purified protein derivative of M.tuberculosis) for research only. If you
> know some site to contact or the address, please forward to me. Whether
> PPD is also available commercially? If yes can you please say the address
> of the company.
> Thank you
> \Dheenadhayalan
> dheen at sdf.lonestar.org
> SDF Public Access UNIX System - http://sdf.lonestar.org
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