N,S-doped carbon quantum dots as a fluorescent probe for palladium(II) ions via Förster resonance energy transfer

Xu, Dong-Hui; Li, Mingzhong; Hu, Xu; Yu, Jun; Wang, Yuhong; Zhang, Peng

doi:10.1016/j.rechem.2021.100179

Cited by 10 publications

(3 citation statements)

References 53 publications

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“…This peak was related to C-O and C=O stretching vibrations of sodium carboxyl groups. 21 One had shown that sodium ions were doped into C atoms in the carbon dots by making sodium carboxyl group Na-C-O. 15,16 This FTIR spectrum was evidence of sodium-doped carbon dots.…”

Section: Resultsmentioning

confidence: 99%

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Optical Properties of Sodium-doped Carbon Dots Made of Urea and Trisodium Citrate

Isnaeni¹,

Purwandari²,

Putro³

et al. 2023

timeinphys

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Carbon dots are very interesting carbon-based nanoparticles. Carbon dots have unique optical properties, especially luminescence properties upon light excitation. Improving optical quality is the challenge in carbon dots research. Doping is one of the methods to improve the quality of carbon dots. In this work, we used sodium, which is an active ion, as doping in the carbon dots. We studied the optical properties of sodium-doped carbon dots. We found that absorbance, FTIR, and photoluminescence spectra changed due additional surface energy level of carbon dots. Furthermore, the quantum yield of carbon dots improved significantly due to sodium doping. In addition, the phosphorescence of sodium-doped carbon dots was slightly longer. Electron behavior was also changed. In conclusion, sodium-doped carbon dots showed very good optical properties for further applications.

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Section: Resultsmentioning

confidence: 99%

“…FTIR peak at 1634 cm -1 wavenumber indicated the C=O vibration in amide group of carbon dots. 21 FTIR peak at 1466 cm -1 wavenumber could be assigned to the symmetrical and asymmetrical stretching of nitrogen group. 12 The FTIR peak 1393 cm -1 wavenumber was strongly noticed only at sample carbon dots C-ST.…”

Section: Resultsmentioning

confidence: 99%

Optical Properties of Sodium-doped Carbon Dots Made of Urea and Trisodium Citrate

Isnaeni¹,

Purwandari²,

Putro³

et al. 2023

timeinphys

View full text Add to dashboard Cite

show abstract

“…The high-resolution XPS spectra of C (Figure 2c) showed characteristic peaks at 284.6 eV, 285.9 eV, and 289.3 eV in the C1s spectrum, indicating the presence of C-C, C-O, and C=O vibrations in the CDs. 35 The peaks corresponding to the O element (Figure 2d) are observed at 533.6 eV and 532.6 eV, indicating the presence of vibrations associated with O-H and C-O functional groups, respectively. These results confirm the presence of abundant oxygen and carbon functional groups on the surface of the CDs, providing compelling evidence for their remarkable hydrophilicity and excellent water solubility.…”

mentioning

confidence: 99%

The Potential of Novel Synthesized Carbon Dots Derived Resveratrol Using One-Pot Green Method in Accelerating in vivo Wound Healing

Cheng,

Zhao,

Wang

et al. 2023

IJN

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Background: Carbon dots (CDs), a novel nanomaterial, have gained significant attention over the past decade due to their remarkable fluorescence properties, low toxicity, and biocompatibility. These characteristics make them promising in various applications, especially in biomedicine. However, most CDs are currently synthesized using chemical materials, and their biocompatibility falls short of natural compounds. Research on extracting CDs from natural sources is limited, and their potential in biomedicine remains largely unexplored. Methods: We extracted CDs from resveratrol, a natural plant compound, and enhanced their water solubility using citric acid. Characterization of resveratrol-based carbon dots (RES-CDs) was carried out using various techniques, including UV-Vis, SEM, TEM, FTIR, XRD, and fluorescence spectroscopy. Extensive biocompatibility tests, wound healing assays, cell migration studies, and angiogenesis experiments were conducted using human umbilical vein endothelial cells (HUVEC). In addition, we investigated the biocompatibility and wound healing potential of RES-CDs in an in vivo rat model of inflammation. Results: RES-CDs exhibited stable yellow-green fluorescence under 365-nanometer ultraviolet light and demonstrated excellent biocompatibility. In wound healing experiments, RES-CDs outperformed resveratrol in terms of cell scratch healing, migration, and tube formation. In a rat skin defect model, RES-CDs promoted wound healing and stimulated the formation of blood vessels and tissue regeneration near the wound site, as evidenced by increased CD31 and VEGF expression. Conclusion: Resveratrol-derived CDs with enhanced water solubility show superior performance in tissue healing compared to resveratrol. This discovery opens new possibilities for the clinical application of resveratrol-based carbon dots.

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Microwave-assisted green synthesis of Pithecellobium dulce seed pods derived fluorescent carbon dots for Pd2+ detection

et al. 2023

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N,S-doped carbon quantum dots as a fluorescent probe for palladium(II) ions via Förster resonance energy transfer

Cited by 10 publications

References 53 publications

Optical Properties of Sodium-doped Carbon Dots Made of Urea and Trisodium Citrate

Optical Properties of Sodium-doped Carbon Dots Made of Urea and Trisodium Citrate

The Potential of Novel Synthesized Carbon Dots Derived Resveratrol Using One-Pot Green Method in Accelerating in vivo Wound Healing

Microwave-assisted green synthesis of Pithecellobium dulce seed pods derived fluorescent carbon dots for Pd2+ detection

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