Chitosan based fibers embedding carbon dots with anti-bacterial and fluorescent properties

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dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.authoridKurt, Saliha B. / 0000-0003-0346-441X
dc.contributor.authorKurt, Saliha B.
dc.contributor.authorŞahiner, Nurettin
dc.date.accessioned2025-01-27T20:46:09Z
dc.date.available2025-01-27T20:46:09Z
dc.date.issued2021
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractDue to the intriguing properties of Chitosan (CS), many efforts have been paid for CS-based fiber preparation. As it is impossible to prepare CS fiber directly, facilitating polymers such as polyvinyl alcohol (PVA) possessing necessary properties that enable CS-based fiber fabrication is used. For this purpose, 3 wt% of CS in 90% acetic acid solution and 6 wt% PVA solution in DI water used in CS/PVA fiber preparation at different proportions for example, 2:1, 9:1 and 10:1 by weight to fabricate fibers by electrospinning method. Furthermore, to render fluorescent property to CS/PVA (9:1) fibers, N-doped carbon dots (C-dots) added into fiber precursor during fiber preparation. The emission peak of C-dots based fibers that with fluorescent features was observed at around 436 nm. The morphological, structural and, thermal characterizations of CS-based fibers were done with scanning electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetric analyzer, respectively. Anti-bacterial activity of bare CS/PVA was increased with the increase in amounts of C-dots embedding. The inhibition of zone of CS/PVA (9:1) fibers was increased from 1.8 +/- 0.2 cm to 2.1 +/- 0.3 cm and 2.9 +/- 0.4 cm against E. coli by increasing the amounts of C-dots from 2.9 mg and 5 mg. Also, the same behavior was observed against S. aureus where the inhibition zone is increased from 2.5 +/- 0.1 cm to 3.2 and 3.5 cm by doubling the C-dots amounts in CS/PVA fiber. Moreover, bare and C-dots containing CS/PVA fibers were found blood compatible (nonhemolytic) up to 1 mg/mL concentration according to hemolysis and blood clotting tests.
dc.description.sponsorshipCanakkale Onsekiz Mart University [COMU BAP, FYL-2019-2885]
dc.description.sponsorshipCanakkale Onsekiz Mart University, Grant/Award Numbers: COMU BAP, FYL-2019-2885
dc.identifier.doi10.1002/pc.25872
dc.identifier.endpage880
dc.identifier.issn0272-8397
dc.identifier.issn1548-0569
dc.identifier.issue2
dc.identifier.startpage872
dc.identifier.urihttps://doi.org/10.1002/pc.25872
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24821
dc.identifier.volume42
dc.identifier.wosWOS:000588027300001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofPolymer Composites
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectantibacterial fiber
dc.subjectcarbon dot containing fiber composites
dc.subjectchitosan? based fiber composites
dc.subjectfluorescent fibers
dc.titleChitosan based fibers embedding carbon dots with anti-bacterial and fluorescent properties
dc.typeArticle

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