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Biosensors for environmental applications: Future development trends - Printable Version +- Free Academic Seminars And Projects Reports (https://easyreport.in) +-- Forum: Seminars Topics And Discussions (https://easyreport.in/forumdisplay.php?fid=30) +--- Forum: Miscellaneous Seminars Topics (https://easyreport.in/forumdisplay.php?fid=21) +---- Forum: General Seminar Topics (https://easyreport.in/forumdisplay.php?fid=58) +---- Thread: Biosensors for environmental applications: Future development trends (/showthread.php?tid=57300) |
Biosensors for environmental applications: Future development trends - jilluzyk - 10-04-2017 Biosensors for environmental applications Future development trends* [attachment=16518] INTRODUCTION Public concern and legislation are nowadays demanding better environmental control. In addition, the increase in the number of analytes to monitor requires more suitable analytical methods. For conventional off-site analysis, samples need to be sent to a laboratory for testing. Conventional methods are actually reaching the highest accuracy with low detection limits, but are expensive, time-consuming, and require the use of highly trained personnel [1] BIOSENSOR CONFIGURATIONS Biosensors are usually classified into various basic groups, according to the signal transduction and to the biorecognition principles. On the basis of the transducing element, biosensors can be categorized as electrochemical, optical, piezoelectric, and thermal sensors. The electrochemical biosensors, and among them the amperometric and the potentiometric ones, are the best described in the literature; those based on optical principles are the next most commonly used transducers. In fact, most catalytic biosensors are based on electrochemical methods, whereas affinity biosensors have generally proved more amenable to optical detection methods [7]. ENVIRONMENTAL APPLICATIONS In the following section, we describe biosensors developed for environmental monitoring, considering first, biosensors that measure an effect such as toxicity and endocrine effect biosensors and second, biosensors that detect a compound or a group of compounds based on the specific recognition of a biomolecule. A wide range of compounds of environmental concern or under suspicion are being considered for biosensor development. Table 1 lists examples of these reported biosensors for different environmental applications. |