The chitin solution at concentrations of 0.5, 1.0, and 2.0% was coated onto paper. Then placed on the agar, Gram-positive and Gram-negative microorganisms .
Take the moral formation, the level of intensity 0.5 1.0 and 2.0 percent, and non-stick coating on a piece of paper, and then put on feed bugs hologram hologram positive and negative