Device for quantitative cytochemistry: a computerized scanning microdensitometer 'grain counter'NS Markovic, LE Lipkin, OS Markovic and MJ Wade
A computerized scanning microdensitometer and autoradiographic grain counter was able to provide quantitative data on the cytochemical final reaction product formed within a single cell and also quantitate the kinetics of its formation. Optical density and area measurements were performed on hundreds of leukocytes from slides previously stained to demonstrate any one of a variety of reactions. These included cellular glycogen, lipids, peroxidase, esterases, alkaline phosphatase, and acid phosphatase. In addition to these slide studies, chamber studies with an adapted Dvorak-Stotler Chamber allowed the measurement of enzyme kinetics within single cells.
Volume 26,
Issue 10,
pp. 792-802,
10/01/1978
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