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ty aul^ny'^F l8747\ O eate:/June CIi BY 167475 Pharmacology Department EMORY UNIVERSITY Emory University. Georgia August 18, 19$$ -.•*»: •• U&5^'« S—V , . 'A.£w4 ggf&t* I was advised by your representative, one of oxir special research needs might be considered by the^^A^PfeR Specifically we need for research purposes in me^al^se^e aEecVrian DK~2 ratio recording Spectrophotometer. This would be used for the following purposes; 1) Routine assay ^for purity in those compounds synthesized by or those compounds which he isolates from natural sources. . 2) Use for monitoring rapid chemical__ reactions in biological systems, a) The combination of convulsant acridone with deoxyribo- nucleic acid or ribonucleic acid. b) The combination of pyridoxal phosphate with thiocarbo- hydrazide, c) The modification of epinephrine by schisophrenic serum and cerebrospinal fluid. Heath reports a marled difference in light absorption with time that is characteristic of schisophrenic serum. The cost of this basic unit is $7,ll7£.00, but with the vaver length hold attachment and sales tax the total cost would be about $8,000.00. Yours sincerely, Carl C. Pfeiffer, ¥.&./>S CCP:eJ Professor and Chairman t«ncr«.4A„. CKfrf),., “Tv of:Mh 1 talc: Jurji 1977 / / £o T’“7s’1 ~-r ' BY 18/4?5