Abstract
Chemical sensors play a vital role in the detection and monitoring of environmental pollutants, helping safeguard ecosystems and public health. Recent advancements in sensor technologies have significantly improved their sensitivity, selectivity, and application across various environmental monitoring systems. This paper explores the developments in chemical sensors, particularly focusing on their application in detecting air and water pollutants. It highlights the integration of nanomaterials, wireless communication, and machine learning algorithms to enhance sensor performance. Additionally, the paper discusses challenges and future directions for the development of more efficient and cost-effective sensors for environmental monitoring.
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