用于现场汞检测的核酸侧流成本效益分析法(MNAzyme-Assisted Nucleic Acid Lateral Flow Assay)。

IF 4.9 3区 工程技术 Q1 CHEMISTRY, ANALYTICAL Biosensors-Basel Pub Date : 2024-09-25 DOI:10.3390/bios14100454
Seok Hyeon Kim, Yujun Kim, Seokjoon Kim, Eun Sung Lee, Byung Seok Cha, Ki Soo Park
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引用次数: 0

摘要

汞离子(Hg2+)是存在于环境中的有毒重金属,对人体健康构成严重威胁。先进的检测系统可以迅速做出反应,减轻对人类的严重危害。在这项研究中,我们利用多组分核酸酶(MNAzyme)辅助核酸横向流动分析法(NALFA)开发了一种经济有效的现场检测 Hg2+ 的方法。MNA酶被设计成含有胸腺嘧啶-胸腺嘧啶错配,只对Hg2+的存在有反应,并对可被NALFA条带捕获的底物发挥高效的裂解活性,因此所提议的系统可在NALFA条带中实现对Hg2+的肉眼检测。我们的检测方法具有足够的检测灵敏度和特异性,符合世界卫生组织的标准,为环境和公共卫生的快速监测提供了一个很好的实用选择。
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MNAzyme-Assisted Nucleic Acid Lateral Flow Assay for Cost-Effective, On-Site Mercury Detection.

Mercury ions (Hg2+) are toxic heavy metals present in the environment that pose significant health risks. An advanced detection system could allow for a prompt response and alleviate serious damage to humans. In this study, we developed a cost-effective, on-site detection method for Hg2+ using a multicomponent nucleic acid enzyme (MNAzyme)-assisted nucleic acid lateral flow assay (NALFA). The MNAzyme, which was engineered to contain thymine-thymine mismatches, is responsive only to the presence of Hg2+ and exerts efficient cleavage activity on substrates that can be captured by the NALFA strip, and thus the proposed system enables the visual detection of Hg2+ in the NALFA strip. Our assay demonstrated sufficient detection sensitivity and specificity to meet the WHO standards, offering a good practical alternative for rapid environmental and public health monitoring.

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来源期刊
Biosensors-Basel
Biosensors-Basel Biochemistry, Genetics and Molecular Biology-Clinical Biochemistry
CiteScore
6.60
自引率
14.80%
发文量
983
审稿时长
11 weeks
期刊介绍: Biosensors (ISSN 2079-6374) provides an advanced forum for studies related to the science and technology of biosensors and biosensing. It publishes original research papers, comprehensive reviews and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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