%0 Journal Article %T Aspergillus niger biosensor based on tin oxide (SnO2) nanostructures: nanopowder and thin film %A Azhir, Elahe %A ریحانه اتفاق %A Shahtahmassebi, Nasser %A M. Mohammadi %A Amiri Moghaddam, Dorriyeh %A R. Sarhaddi %J Indian Journal of Science and Technology %@ 0974-6846 %D 2012