Indian Journal of Science and Technology

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In this paper, SnO2 thin film and nanopowder were prepared by spray pyrolysis and sol-gel methods, respectively. The SnO2 nanostructures were characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Then Aspergillus niger fungus were cultured in an appropriate medium and were exposed to the SnO2 nanofilm and nanopowder. The nano-system electric resistance was measured in the presence of produced gases and the effect of time and temperature on nanobiosensors was studied. Then, SnO2 nanobiosensor was characterized in the presence of silicagel and calcium carbonate.

Keywords

Aspergillus niger Fungi, Spray Pyrolysis Technique, Sol Gel Method
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