2018
DOI: 10.1021/acsanm.8b00521
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Abstract: Carbon dots (CDs) focus great attention in a broad range of adhibitions because of their excellent optical properties and high biocompatibility and property adjustability. However, the developed CDs have rarely been used as effective gene vectors until now. In this work, we devised and synthesized novel fluorine-doped cationic CDs (FCDs) using tetrafluoroterephthalic acid as a fluorine source and using branched polyethylenimine to furnish positive charge sites. The FCDs achieve dramatic positive EGFP and lucif… Show more

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Cited by 86 publications
(56 citation statements)
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“…F-doped CQDs have displayed (i) yellow light emission under the excitation wavelength of 480 nm, and (ii) higher QYs of 31% and 14% at the corresponding emission wavelengths of 550 nm and 600 nm, in comparison to the QYs of 28% and 11% for un-doped CQDs at emission wavelengths of 500 and 550 nm, respectively. In a further study, the same authors (Zuo et al, 2018) have prepared F-doped cationic CQDs through solvothermal process (6 h at 180 • C) by using tetrafluoroterephthalic acid (TFTA) as F source, and 1.8K branched polyethyleneimine (1.8K b-PEI) as +ve charge site source. F-CQDs have shown a nuclear/polymer nanostructure by constituting a carbonaceous nuclear core, and a fluorine-bearing cationic polymer film surface [66].…”
Section: F-doped Cqdsmentioning
confidence: 99%
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“…F-doped CQDs have displayed (i) yellow light emission under the excitation wavelength of 480 nm, and (ii) higher QYs of 31% and 14% at the corresponding emission wavelengths of 550 nm and 600 nm, in comparison to the QYs of 28% and 11% for un-doped CQDs at emission wavelengths of 500 and 550 nm, respectively. In a further study, the same authors (Zuo et al, 2018) have prepared F-doped cationic CQDs through solvothermal process (6 h at 180 • C) by using tetrafluoroterephthalic acid (TFTA) as F source, and 1.8K branched polyethyleneimine (1.8K b-PEI) as +ve charge site source. F-CQDs have shown a nuclear/polymer nanostructure by constituting a carbonaceous nuclear core, and a fluorine-bearing cationic polymer film surface [66].…”
Section: F-doped Cqdsmentioning
confidence: 99%
“…In a further study, the same authors (Zuo et al, 2018) have prepared F-doped cationic CQDs through solvothermal process (6 h at 180 • C) by using tetrafluoroterephthalic acid (TFTA) as F source, and 1.8K branched polyethyleneimine (1.8K b-PEI) as +ve charge site source. F-CQDs have shown a nuclear/polymer nanostructure by constituting a carbonaceous nuclear core, and a fluorine-bearing cationic polymer film surface [66]. Moreover, in another study, Luo et al (2018) fabricated F-doped CQDs by combining ring-opening polymerization-dehydrative carbonization (RPDC) process and hydrothermal method (12 h at 180 • C), while utilizing PEI 600Da and 2,2,3,3,4,4-hexafluoro-1,5-pentanediol diglycidyl ether (as F source) as starting materials [67].…”
Section: F-doped Cqdsmentioning
confidence: 99%
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“…Nitrogen atoms are used as an n-type impurity shift the Fermi level and change optical properties (30). Therefore, their optical and electronic features likely associated with the HOMO-LUMO energy gaps that can be changed by applying amounts and specific kinds of dopants (31) (33,34), efficient gene delivery (35) and medical diagnostic like bacteria imaging (36). Besides single heteroatom doping, codoping of several heteroatoms has been exploited in the biosensors and bioimaging subjects (37).…”
Section: Introductionmentioning
confidence: 99%
“…All of these modifications are applied not only to increase the cationic charge density on Chi but also to increase cell membrane interaction, provide endosomal escape and dissociation of gene-Chi nanoparticle. As one of these modifications, the fluorination reaction which provides both lipophilic and hydrophobic properties onto the cationic gene carrier structure, is ensured high affinity with the cell membrane, while also achieve endolysosomal escape [9][10][11]. Wu et al synthesized fluorinated PEGpolypeptide polyplex micelles to better serumresistance using as gene delivery systems [12].…”
Section: Introductionmentioning
confidence: 99%