Wiktionary
bioactivity
n. (context biology English) The effect of a substance (especially that of a vaccine) upon a living organism.
Usage examples of "bioactivity".
He knew altering either of these properties would dramatically affect the drug’s bioactivity.
She gave Kim a lengthy explanation of molecular modeling and how she was attempting to create drugs that were permutations of Ultra’s basic structure and that would potentially share some of Ultra’s bioactivity.