Recently, I have observed trypan blue uptake by lymphocytes from murine messenteric lymph nodes that have been exposed to 0.14 M NH4Cl buffered with 0.017 M Tris pH 7.2 for 5 minutes at 4 degress C. Is there some other RBC lysing solution that is preferable over NH4Cl/Tris solutions that will not harm lymphocytes? Thanks Delynn Moss Parasitic Diseases Division Centers for Disease Control
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