|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Materials for Green Energy
||Thermal and Electrical Conductivities of Mesoporous Nanofluids and Applications for Enzyme Catalysis
||Shuang Qiao, Ekaterina Novitskaya, Flor Sanchez, Rafael Vazquez-Duhalt, Olivia A. Graeve
|On-Site Speaker (Planned)
Fungal peroxidases are enzymes able to perform catalysis in superficial amino acids through a long-range electron transfer (LRET). The use of electrically conductive mesoporous ceramic powders appears as a new way for enzyme immobilization aiming to oxidize potential substrates directly in the mesoporous ceramic and improving the overall biocatalytic performance. Mesoporous indium oxide, zinc oxide and titanium dioxide, doped with tin, gallium, silver, and niobium, were synthesized by use of a hydrothermal reaction environment. Pore sizes were evaluated and found to be in the range of 4-13 nm. Afterwards powders were dispersed in pH 3-9 solutions to form nanofluids. Thermal and electrical conductivities of these nanofluids were measured and compared. This is the first time different kinds of doped mesoporous ceramic powders with low to high electrical conductivity values have been synthesized and tested for prospective enzyme stability and biocatalyst response.
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