animal tissue 8 article 8 enzyme activity 8 nonhuman 8 tissue homogenate 8 Animals 6 controlled study 6 enzyme inhibition 6 Animal 4 Biomphalaria 4 Carboxylesterases 4 Carboxylic Ester Hydrolases 4 Cholinesterases 4 Female 4 Gastropoda 4 IC 50 4 Support, Non-U.S. Gov't 4 Water Pollutants, Chemical 4 animal 4 carboxylesterase 4 cholinesterase 4 concentration (composition) 4 gastropod 4 in vitro study 4 metabolism 4 sensitivity analysis 4 unclassified drug 4 1 naphthyl acetate 2 1,5 bis(4 allyldimethylammoniumphenyl)pentan 3 one dibromide 2 2 naphthyl acetate 2