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Development of silver nanoparticles-loaded CMC hydrogel using bamboo as a raw material for special medical applications

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Abstract

The present investigation focuses on the synthesis of silver nanoparticles (Ag-NPs)-loaded hydrogel from synthetic and lab-made carboxymethyl cellulose (CMC) using bamboo as a raw material. The Ag-NPs were made by in situ process by the reaction of CMC and epichlorohydrin in alkaline medium containing silver nitrate. CMC acts as a stabilizer and reducing agent in the formation of nanoparticles. The formation of Ag-NPs was confirmed by UV–Vis spectrophotometer, as an absorption peak around 425 nm was observed. The Ag-NPs antibacterial activity against Escherichia coli (ATCC 433), Bacillus subtilis (ATCC 1688) was calculated by agar disk diffusion technique method. The characterization of the Ag-NPs was done by FTIR, SEM, TEM, particle size analyzer and EDX. Ag-NPs obtained from lab-made CMC displayed a higher antibacterial action towards Gram-negative (Escherichia coli) bacteria as well as Gram-Positive bacteria (Bacillus subtilis) as compared to synthetic CMC obtained from market.

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Acknowledgements

We greatly acknowledge the support of CIR, MNNIT Allahabad and department of physics, Allahabad University for permitting us to use analytical instruments.

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Correspondence to Ankur Gaur.

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Kumar, H., Gaur, A., Kumar, S. et al. Development of silver nanoparticles-loaded CMC hydrogel using bamboo as a raw material for special medical applications. Chem. Pap. 73, 953–964 (2019). https://doi.org/10.1007/s11696-018-0650-0

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  • DOI: https://doi.org/10.1007/s11696-018-0650-0

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