1912 H. C. Wood in Jrnl. Amer. Med. Assoc. 59 1433/2 The underlying principle of physiologic standardization, or as those engaged in this work prefer to call it, the bio~assay, is to determine the quantity of a given sample of drug required to produce some easily recognizable effect on a lower animal.

1939 Nature 8 July 76/2 A bioassay on the isolated benzoate..gave an 80 per cent response in a group of ten mice, each receiving a single dose of 0·5 γ in nut oil.

1989 Antenna 13 126 The bioassay for ant trail pheromones really is a beauty.

2005 Ecology 86 2635/1 Extracts of leaves were made to test in bioassays and to characterize major secondary metabolites.

1932 Jrnl. Amer. Pharmaceut. Assoc. 21 1158 As a result of this extended investigation it is recommended that Oil of Chenopodium be bioassayed upon earthworms.

1959 Jrnl. Psychosomatic Res. 3 190 These urines were sent to another laboratory where they were bioassayed for adrenaline and noradrenaline levels.

1970 Jrnl. Chromatogr. A. 51 329 Benomyl and its conversion products could be bioassayed by using, among others, Aspergillus niger, Ascochyta pisi, Botrytis cinerea, [etc.].

1998 D. M. Burns in Cigars: Health Effects & Trends i. 3 When bioassayed in animals, the tar of cigar smoke is more carcinogenic than cigarette smoke tar.

1950 Science 24 Mar. 304/2 They may provide a useful method for bioassaying of the hormone.

1984 Toxicon 22 818 Collected sediments were stored for a matter of days prior to sieving, counting, sonicating and bioassaying.

2002 Jrnl. Insect Physiol. 48 981/1 The problems that are inherent to the isolation, identification and bioassaying of particular neuropeptides.