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MICROBIAL GAS SENSING PROPERTY OF BACILLUS SUBTILIS WITH MIXED METAL CATALYST MGFE2O4

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Author(s): CHAUGULE V.V. and BANGALE S.V.

Journal: International Journal of Microbiology Research
ISSN 0975-5276

Volume: 3;
Issue: 3;
Start page: 157;
Date: 2011;
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Keywords: Nanostructure Bacillus subtilis with catalyst MgFe2O4 | XRD | SEM | TEM | Gas sensor

ABSTRACT
Semiconductive nanoparticles of bacteria as Bacillus subtilis with catalyst MgFe2O4 biofilm was synthesized byusing solution combustion technique. The process was convenient, environment friendly and efficient method. Materialswere characterized by TG/DTA, XRD, and TEM. Thick biofilm of Bacillus subtilis MgFe2O4 was measured by exposing it toreducing economical gases. It was found that the Bacillus subtilis was sensors exhibited various sensing responses to thesegases at different operating temperature. The sensor exhibited a fast response and a good recovery. The biofilm can beused as a new type of gas-sensing material which has a high sensitivity and good selectivity to various gases at low ppm

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Tangokurs Rapperswil-Jona

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