COMPOSITION FOR PRODUCTION OF ORGANOSILICON SOL-GEL MATRIX FOR IMMOBILISATION OF MICROORGANISMS IN BIOSENSOR ANALYSERS

摘要

FIELD: biotechnology.;SUBSTANCE: composition for production of organosilicon sol-gel matrix for immobilisation of microorganisms in biosensor analysers is provided. The composition consists of 20% polyethyleneglycol solution in phosphate buffer solution, Tetraethoxysilane, and 0.2 mol/dm³ catalyst solution NaF, an additionally introduced hydrophobic additive - methyltriethoxysilane. The components are taken at a volume ratio of PEG:TES:MTES: NaF 4:(18-3.4) (2-16.6):1.;EFFECT: reducing the toxic effect of the matrix on the biomaterial and increase in its mechanical strength.;1 tbl, 1 ex