Abstract
Chitosan is naturally occurring, biodegradable, non-toxic, non-allergenic biopolysaccharide derived from chitin which turns viscous upon dissolution in mildly acidic medium. Artificially changed chitosan consolidating hydroxyl chromone was set up by responding 6-Hydroxy-4-oxo-4H-chromone-3-carb-aldehyde with chitosan; it was found to have high specific and chelating proficiency towards transition metal ion at pH 1–8. Enhanced adsorption capacity and a strong affinity for Cu2+ was observed as compared to Cd2+, Ni2+ and Co2+ at pH 4–6. Chitosan-hydroxyl-chromone was chemically synthesized and characterized by spectroscopic techniques. Potentiometric strategies affirmed the request of selectivity which was free of the physical form of chitosan-hydroxyl-chromone subsidiary. 1H NMR outcomes recommended a level of substitution (DS) extending from 32.72 to 98.21%. Antimicrobial and antioxidant activity of chitosan-hydroxyl-chromone within the series of synthesized compounds was evaluated. To improve the solubility of chitosan in water, we present a synthesis of chitosan-based chromone biopolymers and its applications in metal extractions.
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ACKNOWLEDGMENTS
We express our sincere thanks to SAIF, Chandigarh for spectral analysis and also to NRPL Lab. Nagpur for evaluating antimicrobial activity and HOD, Department of Chemistry and Director, Institute of Science, Nagpur.
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Gaidhane, M.K., Ghatole, A.M. & Lanjewar, K.R. Synthesis of Chromone Functionalized Chitosan Polymer: Application/Screening of Its Physical Parameters. Polym. Sci. Ser. B 62, 206–217 (2020). https://doi.org/10.1134/S1560090420030045
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DOI: https://doi.org/10.1134/S1560090420030045