The properties of porous glasses are determined by optical spectroscopy and high-resolution microscopy at different stages of immunoglobulin immobilization and after immune reaction. The influence of duration and temperature of drying between surface activation and silanization is studied. The quantity of protein immobilized on the porous glass surface is estimated by the Coomassie method. Various ways of surface silanization with the use of toluene and acetone are compared. The possibility of fabricating a microsensor element based on the porous glass for microchip is presented.
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Omówiono badania wpływu FeSi oraz SiC jako źródeł krzemu na właściwości warstw chromokrzemowanych. Proces technologiczny prowadzono w temp.1000°C przez 6 h metodą proszkową. Określono mikrostrukturę, skład chemiczny i fazowy warstw oraz dokonano pomiarów chropowatości ich powierzchni, grubości i twardości.
EN
Two FeSi or SiC-contg. powder mixts, were used as Si sources for chromosiliconization of a C steel at 1000°C for 6 h by the powder-pack method. The microstructure, chem. and phase compns. of the layers were specified. Their roughness, thickness and hardness were also measured. An improvement of the steel surface quality was achieved.