bivalent

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bivalent

[bī′vā·lənt]
(chemistry)
Possessing a valence of two.
References in periodicals archive ?
3A), which takes advantage of the bivalency or multivalency of the main antibody isotypes.
Fusion lengthens serum half-life, and introduces bivalency which increases affinity for TNF.
But when everything is taken into consideration, is all this not reducible to just another form of bivalency? Well, in a manner of speaking, yes.