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Department of Animal Biology and Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street Philadelphia, PA 19174
ABSTRACT
A spectrophotometric method for measuring small changes in light absorption at specific wavelengths from highly turbid suspensions of biological material (dual-beam spectrophotometry) has been used to measure glucose-6-phosphate oxidation and nicotinamide adenine dinucleotide phosphate (oxidized) reduction catalyzed by lysates of milk leukocytes. This reduction was correlated .84 with cellular protein concentration and, therefore, with cell concentration.
1 Supported by summer fellowships in 1974 and 1975 from Xienta Corp., Bernville, PA.
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