Advance Heteroatom Dopants Nitrogen, Boron, Sulphur and Phosphorus on Carbon Dots Towards Histamine Detection in Fish Sample

IF 0.7 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Sains Malaysiana Pub Date : 2024-02-29 DOI:10.17576/jsm-2024-5302-09

Mochamad Zakki Fahmi, Siti Febtria Asrini Sugito, Nadia Aulia Hanifah, Ummi Lathifah Nur’aini, Bambang Purwanto, Hwei Voon Lee

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Abstract

This study introduces heteroatom-doped carbon dots (CDs), namely boron-sulphur (BS-CDs) and nitrogen-phosphorus (NP-CDs), highlighting their potential as optical materials for sensitive histamine detection in sensor applications. Synthesized through facile pyrolysis of citric acid cores with non-metal dopants, resulting in confirmed graphene-like structures and uniform spheres with crystal diameters below 3 nm of BS-CDs and NP-CDs. The optical properties exhibited blue fluorescence, with emission wavelengths of 280 nm (QY 0.08%) and 420 nm (QY 1.72%) for BS-CDs and NP-CDs, respectively. Despite declined fluorescence intensities due to interfering components, both CDs demonstrated low selectivity for histamine, which increased the intensity in its presence. Notably, BS-CDs exhibited superior detectability of histamine at a low concentration of 26.3 ppm compared to 42.8 ppm for NP-CDs. Cytotoxicity studies indicated low toxicity for both CDs, positioning them as promising candidates for further development as histamine detectors

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在碳点上添加氮、硼、硫和磷等杂原子掺杂剂以检测鱼类样品中的组胺

本研究介绍了掺杂杂原子的碳点（CDs），即硼硫（BS-CDs）和氮磷（NP-CDs），突出了它们作为光学材料在传感器应用中灵敏检测组胺的潜力。BS-CDs 和 NP-CDs 是通过柠檬酸核与非金属掺杂剂的简单热解合成的，从而得到了确认的类石墨烯结构和晶体直径小于 3 纳米的均匀球体。其光学特性显示出蓝色荧光，BS-CDs 和 NP-CDs 的发射波长分别为 280 nm（QY 0.08%）和 420 nm（QY 1.72%）。尽管干扰成分导致荧光强度下降，但两种 CD 对组胺的选择性都很低，在组胺存在的情况下，荧光强度会增加。值得注意的是，与 NP-CD 的 42.8 ppm 相比，BS-CD 在 26.3 ppm 的低浓度下对组胺的检测能力更强。细胞毒性研究表明，这两种 CD 的毒性都很低，因此有望进一步开发成组胺检测器。

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来源期刊

Sains Malaysiana MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

12.50%

发文量

196

审稿时长

3-6 weeks

期刊介绍： Sains Malaysiana is a refereed journal committed to the advancement of scholarly knowledge and research findings of the several branches of science and technology. It contains articles on Earth Sciences, Health Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars. Sains Malaysiana is published by the UKM Press an its autonomous Editorial Board are drawn from the Faculty of Science and Technology, Universiti Kebangsaan Malaysia. In addition, distinguished scholars from local and foreign universities are appointed to serve as advisory board members and referees.