纳米碳生态水凝胶套件:现场可视金属离子传感和染料净化,推动环境修复领域的循环经济发展

IF 3.6 3区 化学 Q2 CHEMISTRY, ANALYTICAL
Analyst Pub Date : 2024-11-26 DOI:10.1039/D4AN00914B
Omkar S. Nille, Akanksha G. Kolekar, Pooja V. Devre, Sneha V. Koparde, Aniket H. Sawat, Daewon Sohn, Shashikant P. Patole, Prashant V. Anbhule, Anil H. Gore and Govind B. Kolekar
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引用次数: 0

摘要

科学界和分析科学领域的相关利益方对通过简单而经济的技术肉眼检测有害污染物非常感兴趣。本研究的重点是通过接触用于检测环境污染物的复杂技术,开发一种刺激响应探针。本研究通过一种简单的挤出滴注法制备了高溶胀性和负载荧光 WTR-CD 的 HB-Alg/Gel@WTR-CD。负载 WTR-CDs 的荧光复合水凝胶可快速(10-15 分钟内)裸眼检测 Cr6+ 和 Mn7+ 离子,对其他金属离子具有较高的选择性和灵敏度。所开发探针的线性检测范围为 0-10 μg mL-1,对 Cr6+ 和 Mn7+ 离子的检测限分别为 0.28 μg mL-1 和 0.30 μg mL-1。有趣的是,这种基于水凝胶的荧光传感器能够对真实水样进行现场裸眼检测,而且回收率很高。此外,本研究还采用了可回收和可重复使用的方法,利用传感后的废水凝胶珠合成的铝/凝胶-碳去除模式污染物染料。本研究证明了 HB-Alg/Gel@WTR-CD 在简单、低成本和快速目视检测环境污染物方面的巨大应用潜力。根据分析绿色度评价(AGREE),所开发的分析方法是绿色的,AGREE 得分为 0.81,是一种生态友好型循环经济方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Nanocarbon eco-hydrogel kit: on-site visual metal ion sensing and dye cleanup, advancing the circular economy in environmental remediation†

Nanocarbon eco-hydrogel kit: on-site visual metal ion sensing and dye cleanup, advancing the circular economy in environmental remediation†

Nanocarbon eco-hydrogel kit: on-site visual metal ion sensing and dye cleanup, advancing the circular economy in environmental remediation†

The naked-eye detection of hazardous pollutants through simple and cost-effective techniques is of great interest to the scientific community and related stakeholders in analytical science. The present study emphases the development of a stimuli-responsive probe by encountering sophisticated techniques for the detection of environmental pollutants. Herein, highly swellable and fluorescent-WTR-CDs-loaded HB-Alg/Gel@WTR-CDs was fabricated through a simple extrusion dripping method. The fluorescent WTR-CDs-loaded composite hydrogel showed rapid (within 10–15 min) naked-eye detection with high selectivity and sensitivity towards Cr6+ and Mn7+ ions over other metal ions. The developed probe had a linear detection range of 0–10 μg mL−1 with a detection limit of 0.28 μg mL−1 and 0.30 μg mL−1 for Cr6+ and Mn7+ ions, respectively. Interestingly, the hydrogel-based fluorescent sensor enabled on-site naked-eye detection of real water samples with good recovery. Additionally, the recyclability and reusability approach were employed for the removal of model pollutant dyes with Alg/Gel-carbon, which was synthesized using spent hydrogel beads after sensing. The present study demonstrates the tremendous potential applications of HB-Alg/Gel@WTR-CDs for simple, low-cost and fast visual detection of environmental pollutants. According to the analytical greenness evaluation (AGREE), the developed analytical method is green with an AGREE score of 0.81 and an ecofriendly circular-economy approach.

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来源期刊
Analyst
Analyst 化学-分析化学
CiteScore
7.80
自引率
4.80%
发文量
636
审稿时长
1.9 months
期刊介绍: "Analyst" journal is the home of premier fundamental discoveries, inventions and applications in the analytical and bioanalytical sciences.
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