Synthesis of dye-substituted polyanilines and study of their conducting and antimicrobial behavior

Abstract Conducting and antimicrobial properties of chemically synthesized polyanilines was found to be affective by varying the dye moieties. The temperature dependence of AC conductivity was studied by two-probe method to learn about the conduction behavior of the synthesized compounds. The conductivity of the dye-substituted polyanilines was found to be in the range of 10−3 S/cm. For the study of antimicrobial behavior of the synthesized dye-substituted polyanilines, different micro-organisms, namely, the bacteria Escherichia coli (MTCC 442), Pseudomonas aeruginosa (MTCC 441), Staphylococcus aureus (MTCC 96), and Staphylococcus pyogenus (MTCC 443) and fungal strains Candida albicans (MTCC 227), Aspergillus niger (MTCC 282), and Aspergillus clavatus (MTCC 1323), were chosen based on their clinical and pharmacological importance. Antimicrobial properties of dye-substituted polyanilines show very good results as compared to polyanilines and dyes individually.

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