optical density

(redirected from Absorbance Unit)
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Synonyms for optical density

(physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation

References in periodicals archive ?
It is convenient to report the RMSN-100% in microabsorbance units ([micro]AU) by converting the percentage of transmission to absorbance units [log (1/T)].
2) Nonstandard abbreviations: ProT [alpha], prothymosin [alpha]; GST, glutathione S-transferase; PMSF, phenylmethylsulfonyl fluoride; BSA, bovine serum albumin; and AU, absorbance units.