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Immobilization of lipase from Rhizopus niveus on poly(N-vinyl pyrrolidone) was carried out and optimal conditions for manifestation of catalytic activity of this enzyme were determined. Kinetic aspects of substrate hydrolysis by free and immobilized lipase were studied.
We studied the effects of an analogue of isonicotinic acid hydrazide on the treatment course of experimental tuberculosis. Complex analysis has demonstrated the efficiency of isonicotinic acid hydrazide immobilized on a carrier that consisted of water-soluble cation-active analogue of chitosan (N-chlorohydroxypropyl chitosan) in a complex with cobalt ions… (More)
It has been shown by classical biophysical and biochemical methods in combination with atomic microscopy that lipase from Rhizopus niveus exists in a water solution as a dimer with a molecular weight of 96 kDa. The rate of splitting of triglycerides by a dimeric molecules is twice that of monomers. The heat stability of the monomeric form of lipase at… (More)