Background: A novel methodology for the measurement and analysis of apparent K M (Michaelis-Menten constant) and V MAX values of individual cells is suggested. It is based on a mathematical model that considers substrate influx into the cell, its intracellular enzymatic hydrolysis, and the product efflux. The mathematical formulation was approximated linearly in order to analyze intracellular substrate conversion characteristics via Michaelis-Menten theory.
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