Eco-Friendly Synthesis of Sugar-Derived Fluorescent Carbon Dots for Metal Ion Sensing, Antioxidant, and Antimicrobial Activities

IF 3.2 4区 化学 Q2 CHEMISTRY, ANALYTICAL
Luminescence Pub Date : 2025-03-29 DOI:10.1002/bio.70150
Pacharaphon Khaopueak, Kanaporn Sujarit, Jednipit Borthong, Kanokorn Wechakorn
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引用次数: 0

Abstract

Carbon dots are new zero-dimensional nanomaterials known for their unique properties, such as photoluminescence, low-cost synthesis, and biocompatibility, making them suitable for various applications. Hg2+ and Fe3+, as heavy metal ions that pose significant health and environmental risks, can be effectively detected using carbon dots due to their stable fluorescence properties and surface functional groups. Therefore, this work developed carbon dots derived from sugar (SCDs) using a simple hydrothermal method for sensing metal ions, antioxidant, and antimicrobial applications. SCDs with an 8.9 nm average size demonstrated excellent fluorescence properties and high photostability under UV illumination, visible light, high ionic strength, and different pH conditions. Additionally, SCDs exhibited antioxidant and antimicrobial abilities due to the surface interaction with cell membranes. A paper-based test strip application of SCDs showed effectiveness with low detection limits for metal ion detection. The results suggested that the as-synthesized SCDs could potentially be applied for environmental metal ion monitoring and antimicrobial use.

Abstract Image

具有金属离子传感、抗氧化和抗菌活性的糖源荧光碳点的环保合成
碳点是一种新型的零维纳米材料,以其独特的性能而闻名,如光致发光、低成本合成和生物相容性,使其适用于各种应用。Hg2+和Fe3+作为具有重大健康和环境风险的重金属离子,由于其稳定的荧光性质和表面官能团,可以利用碳点有效检测。因此,本工作利用简单的水热方法开发了糖源碳点(SCDs),用于金属离子传感、抗氧化和抗菌应用。平均粒径8.9 nm的SCDs在紫外、可见光、高离子强度和不同pH条件下均表现出优异的荧光性能和光稳定性。此外,由于与细胞膜的表面相互作用,SCDs表现出抗氧化和抗菌能力。一种基于纸的测试条应用SCDs显示出低检测限的金属离子检测的有效性。结果表明,合成的SCDs在环境金属离子监测和抗菌方面具有潜在的应用前景。
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来源期刊
Luminescence
Luminescence 生物-生化与分子生物学
CiteScore
5.10
自引率
13.80%
发文量
248
审稿时长
3.5 months
期刊介绍: Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.
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