Carbon Dots Modified Multi Dopants Nitrogen and Boron for an Early Detection of Lead in the Environment

IF 2.7 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Bulletin of Environmental Contamination and Toxicology Pub Date : 2024-04-29 DOI:10.1007/s00128-024-03892-z
Suherman Suherman, Andrian Nardus Yoel, Adhitasari Suratman, Mudasir Mudasir
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Abstract

The remarkable optical properties and strong biocompatibility of carbon dots make them highly promising for applications in biochemical sensing and environmental testing. These carbon dots possess a surface that is easily modifiable. In this study, carbon dots have been successfully synthesized and modified by the addition of N and B dopants using the microwave method, along with the functionalization of their surface functional groups with bovine serum albumin (BSA). The maximum fluorescence intensity of N, B-CDs is observed at 462 nm when excited at a wavelength of 352 nm. N, B-CDs have a spherical size with a diameter ranging from 2 to 6 nm, confirmed by UV-Vis absorption spectra and the presence of functional groups in the FT-IR absorption patterns. BSA-functionalized N, B-CDs as the fluorescent probe demonstrate great potential as a sensor for Pb(II) ions in water, with a very low detection limit of 1.05 µg/L. This research could contribute to the development of fluorescence nanosensors.

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用于早期检测环境中铅含量的多掺杂氮和硼修饰碳点
碳点具有卓越的光学特性和很强的生物相容性,因此在生化传感和环境检测领域的应用前景非常广阔。这些碳点具有易于修饰的表面。本研究成功合成了碳点,并利用微波法添加了 N 和 B 掺杂剂,同时用牛血清白蛋白(BSA)对其表面官能团进行了修饰。在 352 纳米波长的激发下,N、B-CDs 的最大荧光强度为 462 纳米。紫外-可见吸收光谱和傅立叶变换红外吸收图谱证实,N,B-CD 具有球形大小,直径在 2 到 6 纳米之间。作为荧光探针的 BSA 功能化 N、B-CDs 具有作为水中铅(II)离子传感器的巨大潜力,其检测限极低,仅为 1.05 µg/L。这项研究有助于荧光纳米传感器的开发。
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来源期刊
CiteScore
5.60
自引率
3.70%
发文量
230
审稿时长
1.7 months
期刊介绍: The Bulletin of Environmental Contamination and Toxicology(BECT) is a peer-reviewed journal that offers rapid review and publication. Accepted submissions will be presented as clear, concise reports of current research for a readership concerned with environmental contamination and toxicology. Scientific quality and clarity are paramount.
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