Sodium carboxymethyl cellulose (Viscosity:800-1200 mPa.s) is frequently used as a viscous agent, barrier, and paste agent.

Pseudin-2, an AMP thast could be isolated from the skin of the South American paradoxical frog Pseudis paradoxa, exert a potent growth inhibitory effect against Gram-negative bacteria.

DEPC (Diethyl pyrocarbonate) is a potent and irreversible RNase inhibitor containing histidine residues.DEPC can be used to prevent RNA enzyme degradation by modifying histidine residues with carboxylation resulting in enzyme inactivation.