Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Synthesis and Characterization of Fe(III) Chitosan Nanoparticle N-Benzaldehyde Schiff Base for Biomedical Application

Version 1 : Received: 15 July 2023 / Approved: 17 July 2023 / Online: 17 July 2023 (09:50:30 CEST)

A peer-reviewed article of this Preprint also exists.

Okunzuwa, G.I.; Enaroseha, O.O.E.; Okunzuwa, S.I. Synthesis and Characterization of Fe(III) Chitosan Nanoparticles n-Benzaldehyde Schiff Base for Biomedical Application. Chemical Papers 2024, doi:10.1007/s11696-024-03309-5. Okunzuwa, G.I.; Enaroseha, O.O.E.; Okunzuwa, S.I. Synthesis and Characterization of Fe(III) Chitosan Nanoparticles n-Benzaldehyde Schiff Base for Biomedical Application. Chemical Papers 2024, doi:10.1007/s11696-024-03309-5.

Abstract

The present study produced and characterised chitosan, chitosan nanoparticle, chitosan n – benzaldehyde Schiff base, chitosan nanoparticle n – benzaldehyde Schiff base, Fe(III) chitosan n – benzaldehyde Schiff base and Fe(III) chitosan nanoparticle n – benzaldehyde Schiff base for biomedical application as antimicrobial agents. The materials were characterized with Fourier Transform Infrared spectroscopy, X-ray Diffractogram and biologically evaluated using disc diffusion method with three gram-positive bacteria. The FTIR absorption peaks were shifted to a lower wave number than the micro materials from which it was modified. These clearly indicate the linkage between phosphate, ammonium ion, Schiff base and Fe(III) metal. The diffracted peaks of Fe(III) chitosan nanoparticle n – benzaldehyde Schiff base were new peaks at 2θ = 24o and 42o when compare to the peak of Fe(III) chitosan n – benzaldehyde Schiff base of 2θ = 22.5o and 34o. The difference in peak shift were attributed to the ionic bonding of the complexation of Fe(III) with the blending of benzaldehyde to chitosan – Tpp backbone structure. Fe(III) chitosan nanoparticle Schiff base has more antimicrobial activity against same bacteria and fungi tested than Fe(III) chitosan n – benzaldehyde Schiff base, chitosan n – benzaldehyde Schiff base and chitosan. The antimicrobial activities of the synthesised six materials shown that the materials have high activities than the above – mentioned standard drugs.

Keywords

chitosan nanoparticle; Schiff base; complexation; antimicrobial agent; antibiotic sensitivity

Subject

Chemistry and Materials Science, Analytical Chemistry

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