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Anti-cancer and bactericidal activity of electrospun chitosan/poly(ethylene oxide)/papaya nanofibres

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Abstract

Electrospun nanofibers offer unique qualities, including a high surface-to-volume ratio, surface modification, and conversion to a fine mesh mat or membrane. Keeping this in mind, chitosan/polyethylene oxide (PEO)/papaya (Pap) nanofibers were developed by electrospinning and characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The results from the study infers that, Ch:PEO:Pap (chitosan/PEO)/papaya) nanofibers had a diameter of 78.9 21 nm, resulting in a hydrophobic material with a high contact angle value. FTIR analysis confirms the existence of hydroxyl and amino groups during the interaction of chitosan/PEO and papaya. The Ch:PEO:Pap nanofiber inhibits bacterial growth in broth and the colony-forming ability of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) strains. Furthermore, MDA-MB-231 breast cancer cells were found to be cytotoxic upon treatment with Ch:PEO:Pap nanofibers with an inhibitory half-maximum concentration of 60.37 ± 2.6 µg/mL. As indicated by fluorescence microscopy, Ch:PEO:Pap nanofibers stimulate apoptotic cell death by damaging the nuclear membrane. To summarize, the as-prepared Ch:PEO:Pap nanofiber can be a remarkable nanomaterial with an acceptable size that induces antibacterial and anticancer activity.

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Acknowledgements

The corresponding author P. Rameshthangam (PRT) greatly acknowledges and thank the Indian National Science Academy (INSA), New Delhi, India, for the award of INSA Visiting Scientist and also for funding (INSA/SP/VSP-14/2018-19/01 June 2018). The corresponding author also thanks, Professor P. Gopinath, Head, Centre of Nanotechnology, Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Uttarakhand, India, for allowing me to carry out the research work. All authors sincerely thank the support of the RUSA—Phase 2.0 grant (F. 24-51/2014 U) to Alagappa University, Karaikudi.

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Correspondence to P. Rameshthangam.

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Rameshthangam, P., Kumar, P., Muthulakshmi, M. et al. Anti-cancer and bactericidal activity of electrospun chitosan/poly(ethylene oxide)/papaya nanofibres. Appl Nanosci 13, 6105–6113 (2023). https://doi.org/10.1007/s13204-022-02669-2

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  • DOI: https://doi.org/10.1007/s13204-022-02669-2

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