Log10 Fluorescent Assay Infectious Dose 50 Percent

**Semantic type:** Quantitative Concept

**Definition:** A unit of potency expressed as a decadic logarithm of a of 50 percent infectious dose as defined in the particular fluorescent assay method.

**Synonyms:** - Log10 Fluorescent Assay Infectious Dose 50% - log10 FAI50 - log10 fluorescent assay infectious dose 50%