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The hollow Co 3 O 4 microspheres (HCMs) were prepared by the carbonaceous templates, which did not need the surface pretreatment. The chemiluminescence (CL) and catalytic properties for CO oxidation over these hollow samples were evaluated. The samples were characterized by scanning electron microscopy (SEM), energy disperse spectra (EDS), transmission electron microscopy (TEM), selected...
A wide size range of SiO 2 particles were synthesized and were used as enzyme immobilization carriers to fabricate glucose biosensors. The size of the particles was in the range of 17–520nm. These biosensors could be operated under physiological conditions (0.1M phosphate buffer, pH 7.2). Particle size could affect the performance of SiO 2 modified glucose biosensors drastically. The...
Combination of a novel NH 3 converter based on nanosized materials with chemiluminescence (CL) detector for the determination of NH 3 gas was demonstrated in this paper. NH 3 gas is oxidized on different nanosized catalysts to produce NO x , which can react with luminol to generate CL emission. Eight nanosized materials were investigated as catalyst, and CL was detected...
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