The measurement of spatial precursor distributions in cell culture
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Summary
The distribution of incorporated radioactive precursors, for both DNA and protein synthesis, has been measured with a resolution of about 1 mm in cell cultures, using a scanning technique. Either γ radiation and X-rays or β radiation (electrons) were detected by scintillation detectors. Spectrophotometer measurements with a resolution of 1 mm gave good estimates of cell density changes. Glioma cell colonies were used to compared this technique with autoradiography. Variables such as the density of labelled cells and percentage of labelled cells could be estimated rather accurately. For example, an increased cell density was correlated to a local decrease in DNA synthesis.
Key words
automatic detection cell culture cell density DNA-synthesis protein-synthesis radionuclide detectionPreview
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© Tissue Culture Association 1976