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dc.contributor.authorAnanthanarayanan, Arundithien
dc.contributor.authorWang, Yueen
dc.contributor.authorRouth, Parimalen
dc.contributor.authorSk, Mahasin Alamen
dc.contributor.authorThan, Aungen
dc.contributor.authorLin, Mingen
dc.contributor.authorZhang, Jieen
dc.contributor.authorChen, Jieen
dc.contributor.authorSun, Handongen
dc.contributor.authorChen, Pengen
dc.identifier.citationAnanthanarayanan, A., Wang, Y., Routh, P., Sk, M. A., Than, A., Lin, M., et al. (2015). Nitrogen and phosphorus co-doped graphene quantum dots: synthesis from adenosine triphosphate, optical properties, and cellular imaging. Nanoscale, 7(17), 8159-8165.en
dc.description.abstractGraphene quantum dots (GQDs) are emerging zero-dimensional materials promising a wide spectrum of applications, particularly, as superior fluorescent reporters for bio-imaging and optical sensing. Heteroatom doping can endow GQDs with new or improved photoluminescence properties. Here, we demonstrate a simple strategy for the synthesis of nitrogen and phosphorus co-doped GQDs from a single biomolecule precursor (adenosine triphosphate – ATP). Such ATP-GQDs exhibit high fluorescence quantum yield, strong two-photon upconversion, small molecular weight, high photostability, and good biocompatibility. Furthermore, transferrin conjugated ATP-GQDs have been used for imaging and real-time tracking of transferrin receptors in live cells.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.description.sponsorshipNMRC (Natl Medical Research Council, S’pore)en
dc.description.sponsorshipMOH (Min. of Health, S’pore)en
dc.format.extent7 p.en
dc.rightsThis article is licensed under a Creative Commons Attribution 3.0 Unported Licence.en
dc.titleNitrogen and phosphorus co-doped graphene quantum dots: synthesis from adenosine triphosphate, optical properties, and cellular imagingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.description.versionPublished versionen
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