Aktivitas Antibakteri TiO2-Anatas Terdadah -Vanadium dan -Kromium

Abstract

Samples of vanadium- and -chromium doped TiO 2 -anatas have been conducted antibacterial activity against the bacteria Escherichia coli ( E. Coli). The minimum kill concentration (MBC) against the bacteria of E. Coli is determined  by liquid dilution method. The antibacterial activity test of 0; 2.3; 3.3; 4.9% wt. vanadium doped TiO 2 -anatas and 0; 1.1; 3.9; 4.4% wt. chromium doped TiO 2 -anatas have been performed against bacteria of E. Coli in the absence of light (dark). The test results indicate that the presence of 3.3 and 4.9 in %wt. vanadium-TiO 2 -anatas are able to inhibit the growth of bacteria E. Coli, contrary all chromium doped TiO 2 -anatas are not able to inhibit the growth of bacteria of E. Coli.