Absorption rate constant
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The absorption rate constant Ka is a value used in pharmacokinetics to describe the rate at which a drug enters into the system. It is expressed in units of time−1. The Ka is related to the absorption half-life (t1/2a) per the following equation: Ka = ln(2) / t1/2a. Ka values can typically only be found in research articles. This is in contrast to parameters like bioavailability and elimination half-life, which can often be found in drug and pharmacology handbooks.
[[Category:Drugs
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