%0 Journal Article %A M. Mylarappa %A V. Venkata Lakshmi %A K. R. Vishnu Mahesh %A H. P. Nagaswarupa %A S. C. Prashantha %A D. M. K. Siddeswara %A N. Raghavendra %T Electro chemical and photo catalytic studies of MnO$_2$ nanoparticle from waste dry cell batteries %J Nanosistemy: fizika, himiâ, matematika %D 2016 %P 657-661 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2016_7_4_a16/ %G en %F NANO_2016_7_4_a16