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- 저자 : Wazed Ali (검색결과 1 건)
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Rahul R. Gadkari,Ashutosh Gupta,Uddesh Teke,Atul Awadhiya,Mohammad Shahadat,Wazed Ali,Apurba Das,Ramasamy Alagirusamy 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.99 No.-
In this study, a novel eco-friendly chitosan-cinnamaldehyde cross-linked nanoparticles (CSN) weresynthesised via a green route and deposited, in alternating combination with sodium tripolyphosphate(TPP), over polyester (PET) nonwoven fabric using layer-by-layer (L-B-L) coating technique. Thesuccessful deposition of a nano-level coating (upto 684.7 nm) of 10.5 bi-layers of CSN and TPP, i.e. (CSN/TPP)10.5, with CSN at the top, was achieved at individualfibre surface as confirmed via scanning electronmicroscopy. Fabric coated with (CSN/TPP)10.5 showed remarkable antibacterial activity against both theGram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria, even with a lowconcentration of the nanoparticles (0.1 w/v). Moreover, the coating material possesses very low toxicityas revealed by the cytotoxicity test. The developed fabric could also adsorb metal ions like Pb2+, Cu2+, Fe3+,Ni2+, Zr4+ and Cd2+, etc. from water. The coating was found to be stable in alkaline and neutral pHenvironments. The slight reduction in the pore dimensions, air permeability and tensile strength of fabricafter coating were insignificant with respect to its potential applications in developing health careproducts, medical and health care textiles and dry or wet purification media.
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