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Published in: Polymer Bulletin 1/2023

24-01-2022 | Original Paper

Fluorescent PVDF dots: from synthesis to biocidal activity

Authors: Aleena Ann Mathew, Meera Antony, Riya Thomas, Suma Sarojini, Manoj Balachandran

Published in: Polymer Bulletin | Issue 1/2023

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Abstract

Infection by microorganisms is a serious concern in food storage, water purification, drugs, and particularly in biomedical devices. Long-term use of permanent implants often leads to its contamination due to pathogens. Timely tracking of bacterial activity and its interaction with antibodies are crucial for overcoming these infections. In this work, fluorescent polymeric biocides are obtained from a non-conjugated polymer polyvinylidene fluoride (PVDF), which is neither emissive nor known for its antibacterial activity. PVDF dot was synthesized via hydrothermal treatment eliminating the need for complicated and toxic preparation strategies. PVDF-based dot exhibits high fluorescence aroused from the carbogenic core due to the carbonization of the hydrocarbon chain. It is found that the dots were semiconducting contrary to the bulk form of PVDF. The photoluminescent polymer dots also exhibited an excellent antibacterial activity toward Escherichia coli (E.coli) and Streptococcus bacteria. This luminescence and biocidal activity of PVDF-derived dots have attractive applications in the field of fluorescent diagnostics and therapeutics.

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Appendix
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Metadata
Title
Fluorescent PVDF dots: from synthesis to biocidal activity
Authors
Aleena Ann Mathew
Meera Antony
Riya Thomas
Suma Sarojini
Manoj Balachandran
Publication date
24-01-2022
Publisher
Springer Berlin Heidelberg
Published in
Polymer Bulletin / Issue 1/2023
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-022-04096-3

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