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What is Optical Detection

Handbook of Research on the Adverse Effects of Pesticide Pollution in Aquatic Ecosystems
Optical detection is the process of using visible light to detect different chemical species. The optical detection system usually comprises of a light source, which is made to pass through the sample and then absorption or emission characteristics is detected further by a light detector such as photo-multiplier tube.
Published in Chapter:
Cost-Effective Methods of Monitoring Pesticide Pollution in Water
S. Kanagasubbulakshmi (Bharathiar University, India), Krishnasamy Lakshmi (Bharathiar University, India), and K. Kadirvelu (Bharathiar University, India)
DOI: 10.4018/978-1-5225-6111-8.ch014
Environmental protection efforts require numerous advanced technologies to prevent and monitor the health and ecological effects associated with abiotic and biotic systems. Development of innovative tools and methodologies with the help of multidisciplinary approach to assess the transport, accumulation, and impact of pesticides will avoid the long-term effects in the environment. The lack of information about the pesticides hampers the labeling requirements that lead to misuse and discharge of pesticide-contaminated effluents into the water resources. This chapter covers the information on major sources of pesticides, chronic impacts, labeling of pesticides, multidisciplinary approach for monitoring, current cost-effective technologies, pros and cons of current technologies, and future perspectives of the pesticide monitoring technologies.
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