I tried it out in my lab in Massachusetts to permit fedexing samples from the South. A single sample of human blood (mine) was treated with CytoChex on day zero and then analyzed daily for the next 4 days. The results of CD4+ and CD8+ were significantly different on day 1 and subsequent days. As a result, despite our great hopes according to claims made, we did not adopt its use. Gaffin ************************************************************ ************************************************************ ** Stephen L. Gaffin, Ph.D. ** ** Research Physiologist ** ** U.S. Army Research Institute for Environmental Medicine ** ** Natick MA 01760-5007 ** ** Tel. 508-233-4867 Fax 508-233-4869 ** ** email stephen.gaffin@na.amedd.army.mil ** *********************************************************** *********************************************************** -----Original Message----- From: Abby Kelliher [mailto:allena@helix.mgh.harvard.edu] Sent: Tuesday, September 21, 1999 3:48 PM To: Cytometry Mailing List Subject: Cyto Chex Reagent Hello - I was wondering if any of you have had experience using the "Cyto Chex Reagent" manufactured by Streck laboratories for preserving white blood cells for flow analysis up to one week later? I have received a sample and my initial experiment (on a pre B-ALL bone marrow) showed excellent results. I am going to try it on a variety of specimens, but I wonder what experiences others have had with this product. thanks! Abby Kelliher Clinical Flow Cytometry Lab Mass. General Hospital Boston, MA 02114
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