Can natural fibers be a silver bullet? Antibacterial cellulose fibers through covalent bonding of silver nanotparticles to electrospun fibers

Authors
Zheng, Y.
Cai, C.
Zhang, F.
Monty, J.
Linhardt, Robert J.
Simmons, T.
ORCID
https://orcid.org/0000-0003-2219-5833
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Other Contributors
Issue Date
2016
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
Degree
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Full Citation
Can natural fibers be a silver bullet? Antibacterial cellulose fibers through covalent bonding of silver nanotparticles to electrospun fibers, Y. Zheng, C. Cai, F. Zhang, J. Monty, R. J. Linhardt, T. Simmons, Nanotechnology, 27, 055102, 2016.
Abstract
Natural cotton was dissolved in a room-temperature ionic liquid 1-ethyl-3-methyl acetate and wet-jet electrospun to obtain nanoscale cotton fibers with a substantially reduced diameter—and therefore an increased surface area—relative to natural cotton fibers. The resulting nano-cotton fibers were esterified with trityl-3-mercaptopropionic acid, which after selective de-tritylation afforded nano-cotton fibers containing reactive thiol functionality. Silver nanoparticles that were covalently attached to these sulfhydryl groups were assembled next. The microstructure of the resulting nanocomposite was characterized, and the antibacterial activity of the resulting nano-cotton Ag-nanoparticle composite was also studied. This nanocomposite showed significant activity against both Gram-negative and Gram-positive bacteria.
Description
Nanotechnology, 27, 055102
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
https://harc.rpi.edu/
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