The Use of Biosensors for Biomonitoring Environmental Metal Pollution

Patricia Mussali-Galante, Efrain Tovar-Sanchez, Ramon Suarez-Rodriguez, Augusto Ramirez-Trujillo, Leticia Valencia-Cuevas and Isela Hernandez-Plata

A chapter in Biosensors for Environmental Monitoring from IntechOpen

Abstract: The use of biosensors for biomonitoring environmental health has gained much attention in the last decades. The environment is continuously loaded with xenobiotics released by anthropogenic activities that pollute ecosystems, putting their integrity at risk. Therefore, there is an urgent need to study the negative effects of xenobiotics, specifically chemical agents. Biosensors or organisms that integrate exposure to pollutants in their environment and which respond in some measurable and predictable way are useful tools to study the extent of chemical pollution and its consequences across levels of biological organization. Among chemical pollutants, heavy metals are among the most toxic elements to nearly all living organisms. Wildlife is chronically exposed to complex metal mixtures in which effects on ecosystem health are difficult to assess. Therefore, different organisms may serve as biosensors to estimate detrimental effects of metal pollution. In this chapter, we will analyze bacteria, small mammals, some plant species, and lichens as biosensors for environmental metal pollution. Also, we will assess the importance of using different biomarkers on biosensors.

Keywords: heavy metals; environmental health; bacteria; small mammals; plants; lichens (search for similar items in EconPapers)
JEL-codes: L65 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:179078

DOI: 10.5772/intechopen.84309

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