Research Article

Synthesis, Characterization, and Evaluation of Antimicrobial Activities of Chitosan and Carboxymethyl Chitosan Schiff-Base/Silver Nanoparticles

Scheme 2

Chemical structures of pyrazole aldehydes: c: 3-methyl-1H-pyrazole-4-carbaldehyde; d: 3-phenyl-1H-pyrazole-4-carbaldehyde; e: 3-chloromethyl-1H-pyrazole-4-carbaldehyde; f: 1,3diphenyl-1H-pyrazole-4-carbaldehyde.