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AbstractA new type of phenyl substituted ormosils as a matrix for oxygen-sensitive micro-optodes is described. The new ormosils combine features of classical polymers such as solubility in organic solvents and those of solgel glasses such as mechanical stability and a porous structure. They make possible a simple and fast fabrication of microsensors with reproducible properties. The influence of the...
Ammonium-selective electrodes enzymatically sensitized for creatine and l-arginine are presented. Enzyme layers of these biosensors contain two enzymes: urease and, as a second enzyme, creatinase or arginase dependent on the analyte (substrate): creatine or arginine. The bienzymatic layer with such a composition sequentially converts the analyte into ammonium ions, which are detectable by the internal...
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