Samarium, nitrogen co-Doped carbon dots for detection of Epinephrine: Theoretical and experimental

IF 5.9 3区 工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY Journal of Industrial and Engineering Chemistry Pub Date : 2024-08-10 DOI:10.1016/j.jiec.2024.07.063
Jyoti Duhan, Sangeeta Obrai
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Abstract

In this study we have developed a highly sensitive optical sensor for the detection of epinephrine using carbon dots co-doped with samarium and nitrogen (Sm,N-CDs) with a very low detection limit of 28.1 nM and a broad linear dynamic range from (0–105 nM). Various techniques were employed to characterize the synthesized material, aiming to understand its morphological and physicochemical characteristics. The synergistic effect of the synthesized Sm,N-CDs demonstrated excellent optical performance, high selectivity and photostability. Additionally, good recovery findings were obtained when the sensor’s viability for Epinephrine detection in biological fluid samples that had been spiked was evaluated. In addition, we have developed an smartphones-based sensor to record the solution’s fluorescent color shift as it is being sensed. Using a mobile phone application to examine the green, red, and blue values from these photos, the comparable LOD was found to be 17.21 μM in a (0–90 μM) wide linear range of concentration. This straightforward, affordable, and quick screening device is highly demanding for the on-the-spot identification of the analytes at remote locations where advanced instrumentation is typically unavailable. Density functional theory was used to examine energy, stability, band gap, and how Ep interacted with the Sm,N-CDs nanoparticles.
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用于检测肾上腺素的钐氮共掺碳点:理论与实验
在这项研究中,我们利用共掺杂钐和氮的碳点(Sm,N-CDs)开发了一种用于检测肾上腺素的高灵敏度光学传感器,其检测限低至 28.1 nM,线性动态范围宽至(0-105 nM)。为了了解合成材料的形态和理化特性,我们采用了多种技术对其进行表征。合成的 Sm,N-CDs 的协同效应表现出优异的光学性能、高选择性和光稳定性。此外,在评估该传感器在生物液体样品中检测肾上腺素的可行性时,也获得了良好的回收率。此外,我们还开发了一种基于智能手机的传感器,可在感应溶液时记录溶液的荧光颜色变化。使用手机应用程序检查这些照片中的绿色、红色和蓝色值,发现在(0-90 μM)宽线性浓度范围内,可比 LOD 为 17.21 μM。这种直接、经济、快速的筛选装置对于在通常没有先进仪器的偏远地区现场鉴定分析物具有很高的要求。密度泛函理论用于研究能量、稳定性、带隙以及 Ep 与 Sm,N-CDs 纳米粒子的相互作用。
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来源期刊
CiteScore
10.40
自引率
6.60%
发文量
639
审稿时长
29 days
期刊介绍: Journal of Industrial and Engineering Chemistry is published monthly in English by the Korean Society of Industrial and Engineering Chemistry. JIEC brings together multidisciplinary interests in one journal and is to disseminate information on all aspects of research and development in industrial and engineering chemistry. Contributions in the form of research articles, short communications, notes and reviews are considered for publication. The editors welcome original contributions that have not been and are not to be published elsewhere. Instruction to authors and a manuscript submissions form are printed at the end of each issue. Bulk reprints of individual articles can be ordered. This publication is partially supported by Korea Research Foundation and the Korean Federation of Science and Technology Societies.
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