Q1. Can anyone direct me to a good source of protocols on cytotoxicity studies on human cell lines of the gastrointestinal tract (GIT), especially those using bombadment with potentially toxic proteins. Q2. When standardizing substances lethal against bacteria, such as proteins, for evaluation on human cells, what units of activity among the following list are most appropriate; arbitrary units/ml, protein concentration/ml, or LD50 values?. LD50 values being concentations that kill 50% of experimental bacteria. A wannabe flo'rist. SHELTON E. MURINDA __________________________________________________ Food Microbiology Laboratory 120A Borland Building Department of Food Science The Pennsylvania State University University Park, PA 16802 Phone: 814-862-8475 (H); Phone: 814-863-2970 (W) Fax: 814-863-6132 "One (wo)man's food is another (wo)man's poison" __________________________________________________
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