通过汞齐化无标记灵敏检测 Hg2+ 的鸟氨酸稳定纳米金花

IF 2.1 4区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR Gold Bulletin Pub Date : 2024-07-06 DOI:10.1007/s13404-024-00349-3

Priya Sudhesh, Athira U.S.

{"title":"通过汞齐化无标记灵敏检测 Hg2+ 的鸟氨酸稳定纳米金花","authors":"Priya Sudhesh, Athira U.S.","doi":"10.1007/s13404-024-00349-3","DOIUrl":null,"url":null,"abstract":"A simple, eco-friendly method for the synthesis of gold nanoflowers using a non-proteinogenic amino acid is discussed in the present work. Gold nanostructure with unique morphology was synthesized, with the assistance of ornithine amino acid. Ornithine-stabilised gold nanoflowers were found to be highly sensitive towards mercury ions (Hg2+) due to Au–Hg amalgamate formation. Due to amalgamate formation, an evolution in morphology of ornithine-stabilised gold nanoflowers happens which can be monitored by the red shift in surface plasmon resonance. Under optimum conditions, our sensor shows a dynamic response range with a detection limit of 6 nM. This developed nanosensor can be used as Hg2+ ion sensor in polluted water/waste water by a one-step assay protocol.","PeriodicalId":581,"journal":{"name":"Gold Bulletin","volume":null,"pages":null},"PeriodicalIF":2.1000,"publicationDate":"2024-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Ornithine-stabilised gold nanoflowers for label-free sensitive detection of Hg2+ via amalgamation\",\"authors\":\"Priya Sudhesh, Athira U.S.\",\"doi\":\"10.1007/s13404-024-00349-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A simple, eco-friendly method for the synthesis of gold nanoflowers using a non-proteinogenic amino acid is discussed in the present work. Gold nanostructure with unique morphology was synthesized, with the assistance of ornithine amino acid. Ornithine-stabilised gold nanoflowers were found to be highly sensitive towards mercury ions (Hg2+) due to Au–Hg amalgamate formation. Due to amalgamate formation, an evolution in morphology of ornithine-stabilised gold nanoflowers happens which can be monitored by the red shift in surface plasmon resonance. Under optimum conditions, our sensor shows a dynamic response range with a detection limit of 6 nM. This developed nanosensor can be used as Hg2+ ion sensor in polluted water/waste water by a one-step assay protocol.\",\"PeriodicalId\":581,\"journal\":{\"name\":\"Gold Bulletin\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.1000,\"publicationDate\":\"2024-07-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Gold Bulletin\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1007/s13404-024-00349-3\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, INORGANIC & NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gold Bulletin","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s13404-024-00349-3","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}

引用次数: 0

摘要

本研究讨论了一种利用非蛋白源氨基酸合成金纳米花的简单、环保方法。在鸟氨酸氨基酸的帮助下，合成了具有独特形态的金纳米结构。研究发现，由于形成了 Au-Hg 汞齐聚物，鸟氨酸稳定的纳米金花对汞离子 (Hg2+) 高度敏感。由于汞齐化物的形成，鸟氨酸稳定的纳米金花的形态发生了变化，这种变化可通过表面等离子体共振的红移进行监测。在最佳条件下，我们的传感器显示出动态响应范围，检测限为 6 nM。这种开发的纳米传感器可用作污染水/废水中的 Hg2+ 离子传感器，只需一步检测程序。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

摘要图片

查看原文

微信好友朋友圈 QQ好友复制链接

本刊更多论文

Ornithine-stabilised gold nanoflowers for label-free sensitive detection of Hg2+ via amalgamation

A simple, eco-friendly method for the synthesis of gold nanoflowers using a non-proteinogenic amino acid is discussed in the present work. Gold nanostructure with unique morphology was synthesized, with the assistance of ornithine amino acid. Ornithine-stabilised gold nanoflowers were found to be highly sensitive towards mercury ions (Hg²⁺) due to Au–Hg amalgamate formation. Due to amalgamate formation, an evolution in morphology of ornithine-stabilised gold nanoflowers happens which can be monitored by the red shift in surface plasmon resonance. Under optimum conditions, our sensor shows a dynamic response range with a detection limit of 6 nM. This developed nanosensor can be used as Hg²⁺ ion sensor in polluted water/waste water by a one-step assay protocol.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Gold Bulletin Chemistry-Inorganic Chemistry

CiteScore

3.70

自引率

4.50%

发文量

期刊介绍： Gold Bulletin is the premier international peer reviewed journal on the latest science, technology and applications of gold. It includes papers on the latest research advances, state-of-the-art reviews, conference reports, book reviews and highlights of patents and scientific literature. Gold Bulletin does not publish manuscripts covering the snthesis of Gold nanoparticles in the presence of plant extracts or other nature-derived extracts. Gold Bulletin has been published over 40 years as a multidisciplinary journal read by chemists, physicists, engineers, metallurgists, materials scientists, biotechnologists, surface scientists, and nanotechnologists amongst others, both within industry and academia. Gold Bulletin is published in Association with the World Gold Council.