Present participle of bioassay; the process of testing the biological activity or strength of a substance using living organisms or tissues.
From bioassay + -ing (present participle suffix). Used in scientific writing to describe the ongoing action of conducting biological tests.
When you hear 'bioassaying' in a lab, it means scientists are actively measuring whether a potential drug actually does what they hope it will—it's like quality control for medicine before it gets to patients.
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