利用基于选择性分子印迹聚合物的纳米探针对海水中的痕量啶虫脒进行荧光开启识别。

IF 5.3 3区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Marine pollution bulletin Pub Date : 2025-01-01 Epub Date: 2024-11-27 DOI:10.1016/j.marpolbul.2024.117320
Xiaochen Hao, Cheng He, Ziru Lian
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引用次数: 0

摘要

制备并应用了一种新型印迹复合纳米探针,用于荧光开启识别啶虫脒,从而快速灵敏地检测海水中的啶虫脒痕量。该荧光探针以改性异硫氰酸荧光素为响应单元,提高了信号传输的灵敏度。通过测量探针的荧光增强效率,可对啶虫脒进行定量分析。在最佳条件下,啶虫脒在 0-45 μg L-1 范围内线性关系良好,测定系数为 0.9988,检测限为 1.5 μg L-1。利用所开发的荧光增强纳米探针测定了海水样品中的啶虫脒,其回收率为 96.00 % 至 104.00 %,相对标准偏差为 0.9%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fluorescence turn-on recognition of trace acetamiprid in seawater using selective molecularly imprinted polymer-based nanoprobe.

A novel imprinted composite nanoprobe for fluorescence turn-on recognition of acetamiprid was fabricated and applied to rapidly and sensitively detect trace-level acetamiprid in seawater. The fluorescent probe was prepared using modified fluorescein isothiocyanate as a response unit to improve the sensitivity of signal transmission. The quantitative analysis of acetamiprid was obtained by measuring fluorescence enhancement efficiency of the probe. Under optimal conditions, a good linear relationship with a determination coefficient of 0.9988 was demonstrated in the range of 0-45 μg L-1 and the limit of detection was 1.5 μg L-1. The developed fluorescence-enhancing nanoprobe was utilized in determination of acetamiprid in seawater samples and achieved recoveries from 96.00 % to 104.00 % with the relative standard deviations <5.88 % (n = 3). This study offered a promising strategy for simple, reliable and sensitive detection of acetamiprid by embedding fluorescent dye in molecularly imprinted material as highly selective probes.

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来源期刊
Marine pollution bulletin
Marine pollution bulletin 环境科学-海洋与淡水生物学
CiteScore
10.20
自引率
15.50%
发文量
1077
审稿时长
68 days
期刊介绍: Marine Pollution Bulletin is concerned with the rational use of maritime and marine resources in estuaries, the seas and oceans, as well as with documenting marine pollution and introducing new forms of measurement and analysis. A wide range of topics are discussed as news, comment, reviews and research reports, not only on effluent disposal and pollution control, but also on the management, economic aspects and protection of the marine environment in general.
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