Practical three-minute synthesis of acid-coated fluorescent carbon dots with tuneable core structure

Hill, Stephen A., Benito-Alifonso, David, Davis, Sean A., Morgan, David J. ORCID: https://orcid.org/0000-0002-6571-5731, Berry, Monica and Galan, M. Carmen 2018. Practical three-minute synthesis of acid-coated fluorescent carbon dots with tuneable core structure. Scientific Reports 8 , 12234. 10.1038/s41598-018-29674-2

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Abstract

We report a one-pot, three-minute synthesis of carboxylic acid-decorated fluorescent carbon dots (COOH-FCDs) with tuneable core morphology dependent on the surface passivating agent. Mechanism investigations highlighted the presence of key pyrazine and polyhydroxyl aromatic motifs, which are formed from the degradation of glucosamine in the presence of a bifunctional linker bearing acid and amine groups. The novel COOH-FCDs are selective Fe3+ and hemin sensors. Furthermore, the FCDs are shown to be non-toxic, fluorescent bioimaging agents for cancer cells.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Publisher:	Nature Publishing Group
ISSN:	2045-2322
Date of First Compliant Deposit:	5 September 2018
Date of Acceptance:	12 July 2018
Last Modified:	02 May 2023 19:07
URI:	https://orca.cardiff.ac.uk/id/eprint/114642

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