Author:
Omer Ahmed M.,Eltaweil Abdelazeem S.,El-Fakharany Esmail M.,Abd El-Monaem Eman M.,Ismail Magda M. F.,Mohy-Eldin Mohamed S.,Ayoup Mohammed S.
Abstract
AbstractThis study intends to develop a novel bioactive chitosan Schiff base (CTS-SB) derivative via coupling of chitosan (CTS) with 4-((5, 5-dimethyl-3-oxocyclohex-1-en-1-yl) amino) benzene-sulfonamide. The alteration in the chemical structure of CTS-SB was verified using1H NMR and FT-IR analysis, while the thermal and morphological properties were inspected by TGA and SEM characterization tools, respectively. Ion exchange capacity of the developed CTS-SB derivative recorded a maximal value of 12.1 meq/g compared to 10.1 meq/g for pristine CTS. In addition, antibacterial activity of CTS-SB derivative was greatly boosted againstEscherichia coli(E coli) andStaphylococcus aureus(S. aureus) bacteria. Minimum inhibition concentration of CTS-SB derivative was perceived at 50 µg/mL, while the highest concentration (250 µg/mL) could inhibit the growth ofS. aureusup to 91%. What’s more, enhanced antidiabetic activity by CTS-SB derivative, which displayed higher inhibitory values of α-amylase (57.9%) and α-glucosidase (63.9%), compared to those of pure CTS (49.8 and 53.4%), respectively Furthermore, cytotoxicity investigation on HepG-2 cell line revealed potential anticancer activity along with good safety margin against primary human skin fibroblasts (HSF cells) and decent cytocompatibility. Collectively, the gained results hypothesized that CTS-SB derivative could be effectively applied as a promising antibacterial, anticancer and antidiabetic agent for advanced biomedical applications.
Funder
The Science, Technology & Innovation Funding Authority
Publisher
Springer Science and Business Media LLC
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