bioactiveadj.

1938 U.S. Patent 2,134,256 1/1 Other organ extracts may also be treated according to the invention, provided that the bioactive substances to be recovered or concentrated in the extract are of a basic of ampholytic character.

1947 Chem. Rev. 41 151 Considerable attention has been paid to the effect of reducing agents on keratins but the conditions used are more drastic than would usually be applied to bioactive proteins.

1968 Biochem. Pharmacol. 17 2333 Alpha pigment..in its bioactive form..may be responsible for some of the anomalies observed in germ-free animals.

2005 Daily Tel. 7 June 14/1 Bone cells..will be ‘seeded’ on to a bioactive scaffold, a pioneering material that allows the cells to divide and grow rapidly into a desired shape.

1940 Chem. Rev. 27 329 This substance shows no bio-activity at a level of 40 mg.

2005 Wall St. Jrnl. 12 Sept. (Central ed.) b3/1 Enough data exist to prove that the drug has bio-activity and few side effects.