Figure 7. (Color online) Metal ion variation supplementing cellulase production, showing variation in color of DNS assay

From

Cellulase Activity Enhancement of Bacteria Isolated From Oil-Pump Soil Using Substrate and Medium Optimization

Amlan Chakraborty, Alisha Mahajan

American Journal of Microbiological Research. 2014, 2(2), 52-56 doi:10.12691/ajmr-2-2-1