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- W4285115201 abstract "Miniaturized sensing devices have emerged as prevailing micro-scale analysis devices in the past few decades. In this context, metal nanoparticle-based sensors have proved their potential in developing highly sensitive and selective on-site detection techniques for various analytes and environmental toxins. Among various environmental pollutants, heavy metal contamination is the most severe problem worldwide because of its potential toxicity and non-biodegradable nature, even at lower exposure levels. Conventional analytical techniques for measuring metal toxins include atomic absorption spectroscopy (AAS), inductively coupled plasma mass spectroscopy (ICP-MS), and reversed-phase high-performance liquid chromatography. These methods give accurate results but are time-consuming, require a dedicated laboratory setup, sophisticated equipment setup, and trained personnel to operate. Therefore, an alternative user-friendly and cost-effective method is required for rapid and real-time monitoring of heavy metal toxins in groundwater and industrial wastewater monitoring. Efforts are being made in developing metal nanoparticle-enabled sensors because of distinct optical and electrical properties, which renders better selectivity, sensitivity, and portability that can be readily used in developing commercial products. The sensing process is based on the aggregation of nanoparticles in the presence of specific metal ions coupled with visible color change detected by naked eyes, indicating the presence of targeted heavy metal toxins. This chapter summarizes various synthesis processes and potential colorimetric-based sensing applications of metal nanoparticle-enabled sensors for assessing clean and safe drinking water." @default.
- W4285115201 created "2022-07-14" @default.
- W4285115201 creator A5042790703 @default.
- W4285115201 creator A5085292862 @default.
- W4285115201 date "2022-01-01" @default.
- W4285115201 modified "2023-09-25" @default.
- W4285115201 title "Gold Nanoparticle-Based Colorimetric Sensing of Metal Toxins" @default.
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