Green Synthesis of Luminescent Carbon Dots from Ficus benghalensis Aerial Roots for Bioimaging.

IF 2.6 4区 化学 Q2 BIOCHEMICAL RESEARCH METHODS Journal of Fluorescence Pub Date : 2024-10-16 DOI:10.1007/s10895-024-03964-7
Renuga Devi Navaneethan, Arrthi Ravitchandiran, Ashok Kumar Subramania, Manikandan Elayaperumal, Rajamohan Rajaram, Subramania Angaiah
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Abstract

In this work, carbon quantum dots (CQDs) were prepared using a one-step hydrothermal green synthesis method from a low-cost and eco-friendly renewable biomass, specifically the Ficus benghalensis aerial roots (FB-AR). For the past two decades, CQDs have been noted for their tunable emission spectrum, quantum yield, biocompatibility, photostability, and unique optoelectronic properties such as photoluminescence (PL), and fluorescence. The synthesized Ficus benghalensis carbon quantum dots (FB-CQDs) were characterized for their physical, structural, and chemical properties using XRD, Raman, HRTEM, XPS, FTIR, TG-DTG, UV-visible, and photoluminance analysis. XPS analysis confirmed the presence of phytoconstituent functionalities and the composition of components. The FB-CQDs, which exhibit long-range emissions, have potential applications in various biological and therapeutic fields. Their bioimaging capability is tested in Escherichia coli bacteria. However, despite their promising characteristics, the FB-CQDs showed no antibacterial inhibition against Escherichia coli and Staphylococcus aureus, likely due to its carbonization temperature.

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从榕树根部绿色合成用于生物成像的发光碳点
在这项工作中,采用一步水热绿色合成法,从低成本和生态友好型可再生生物质(特别是榕树气根(FB-AR))中制备了碳量子点(CQDs)。过去二十年来,CQDs 因其可调的发射光谱、量子产率、生物相容性、光稳定性以及独特的光电特性(如光致发光和荧光)而备受关注。利用 XRD、拉曼、HRTEM、XPS、傅立叶变换红外光谱、TG-DTG、紫外可见光和光致发光分析对合成的榕树碳量子点(FB-CQDs)的物理、结构和化学特性进行了表征。XPS 分析证实了植物成分功能的存在和成分的组成。FB-CQDs 具有远距离发射特性,有望应用于各种生物和治疗领域。在大肠杆菌中测试了它们的生物成像能力。然而,尽管 FB-CQDs 具有良好的特性,但它对大肠杆菌和金黄色葡萄球菌却没有抗菌抑制作用,这可能是其碳化温度造成的。
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来源期刊
Journal of Fluorescence
Journal of Fluorescence 化学-分析化学
CiteScore
4.60
自引率
7.40%
发文量
203
审稿时长
5.4 months
期刊介绍: Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.
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