bioassay, 161bioavailability (general), 161 bioavailabilty in pharmacokinetics, 161 biocatalyst, 162 biochemical (biological) oxygen demand ( ), 162 biochip, 162 bioconjugate, 162 biodegradable polymer, 163 biodegradation, 163 bioelectronics, 163 bioisostere, 163 biological effect monitoring, 164 biological exposure index (), 164 biological half life, 164 biological monitoring, 164 biological tolerance values for working materials (Biologische Arbeitsstoff Toleranz Werte (BAT)), 165 bioluminescence, 165 biomarker, 165 biomass, 165 biomimetic, 165 biopolymers, 166 bioreactor, 166 biosensor, 166 biosphere in atmospheric chemistry, 166 biosynthesis, 166 biotechnology, 167 biotransformation, 167 biphotonic excitation, 167 biphotonic process, 167 bipolarons, 167 biradical, 168 bisecting conformation (eclipsing conformation), 168 bismuthanes, 169 bismuthines, 169 bisphenols, 169 bivane in atmospheric chemistry, 170 black film, 170 blank value in analysis , 170 blaze-angle in spectrochemical analysis , 170 bleaching in photochemistry , 171 block, 171 block copolymer, 171 block macromolecule, 171 block polymer, 171 blotting in biotechnology , 172 blowdown in atmospheric chemistry, 172 blue shift, 172 boat, 172Bodenstein approximation, 172 body burden, 172 bohr, 173