Definition

1. Noun:

   • Appraisal of biological activity: A procedure for determining the concentration, potency, or effect of a substance by measuring its effect on a living organism or tissue compared to a standard preparation.

2. Verb:

   • To subject to a bioassay: To analyze or evaluate a substance using a bioassay procedure.

Usage Examples

• Noun:

  • The laboratory performed a bioassay to measure the toxicity of the new chemical.
  • The potency of the vaccine was confirmed through a series of bioassays.

• Verb:

  • Researchers must bioassay the compound before it can be approved for clinical trials.
  • The water samples were bioassayed for the presence of environmental hormones.

Advanced Usage

• In a regulatory context: Bioassays are often required by agencies to assess the safety and efficacy of pharmaceuticals, pesticides, or food additives.
  • The regulatory submission included data from mandatory bioassays.

Variants and Related Words

• Bioassayist (n): A scientist who specializes in conducting bioassays.
• Bioassaying (v, gerund): The act of performing a bioassay.

Synonyms

• Biological assay (n): The full term for bioassay.
• Biological testing (n): A more general term for testing on living systems.

Related Phrases

• To run a bioassay: To conduct a bioassay.
  • It took a week to run the complete bioassay.
• Bioassay data: The results obtained from a bioassay.
  • The bioassay data indicated a strong inhibitory effect.

Noun

1. appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard

Verb

1. subject to a bio-assay