Biosensors For Monitoring Insecticides And Herbicides - A Survey

Biosensors for the detection of insecticides and herbicides have been reviewed. Direct, fast and easy determination of various insecticides - organophosphorus and carbamates, and herbicides has been achieved by integrating various biocomponents with different transducers. For the construction of biosensors, bioassay principles, effect of solvents and immobilization techniques used, and the compatibility of bioassay principle with the transducer has been discussed. The close integration of the biological events with the generation of a signal offers the potential for fabricating compact and easy-to-use analytical tools of high sensitivity and specificity. Their biological base makes them ideal for toxicological measurement of pesticides, while conventional techniques can only measure concentration. Screening of a particular source for biological component could be helpful to design a specific biosensor.

Keywords:

• Biosensors
• Transducers
• Biocomponent
• Organophosphorus And Carbamate
• Insecticides
• Herbicides
• Immobilization