Direct quantification of in vitro cell growth through image analysis
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Objective, accurate, non-intrusive measurement of in vitro cell growth was realized through microcomputerized video image analysis. Recently-released video and digitizing hardware and software were incorporated into an analytical system which accurately quantified visual differences between cultures on a cell number or fresh mass basis. Sequential measurements during culture incubation further detected and quantified subtle changes in colony area and density resulting from growth. Each measurement was acquired rapidly, without encroaching on the in vitro environment, so cell growth was undisturbed. Custom software routines coordinated the quantification of this detailed record into precise cumulative growth curves.
Key wordsdensitometry growth image analysis quantification video digitization
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