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Nanosensors and nanobiosensors in food and agriculture

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Abstract

The food and agriculture sector controls the economic growth of a developing country. The food industries have practices of growing crops, raising livestock and sea foods, food processing and packaging, regulating production and distribution with quality and safety. The process control and monitoring quality are crucial steps. Here we review nanosensors and nanobiosensors as alternative of classical quantification methods. Nanoscale dimensions of metal nanoparticles, metal nanoclusters, metal oxide nanoparticles, metal and carbon quantum dots, graphene, carbon nanotubes, and nanocomposites expand the sensitivity by signal amplification and integrate several novel transduction principles such as enhanced electrochemical, optical, Raman, enhanced catalytic activity, and superparamagnetic properties into the nanosensors. The electrochemical nanosensors, optical nanosensors, electronic nose and electronic tongue, nanobarcode technology, and wireless nanosensors have revolutionized the sensing in food and agriculture sectors with multiplex and real-time sensing capabilities. Despite previous success stories of the remunerative health sector, the approaches are transferred subsequently to food and agriculture sector; with potential application in detection of food contaminants such as preservatives, antibiotics, heavy metal ions, toxins, microbial load, and pathogens along with the rapid monitoring of temperature, traceability, humidity, gas, and aroma of the food stuff.

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Acknowledgement

The author gratefully acknowledges the financial support from Council of Scientific and Industrial Research (CSIR), New Delhi, and Science and Engineering Research Board (SERB) grant: ECR/2016/000633/LS.

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Correspondence to Surajit Karmakar.

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Srivastava, A.K., Dev, A. & Karmakar, S. Nanosensors and nanobiosensors in food and agriculture. Environ Chem Lett 16, 161–182 (2018). https://doi.org/10.1007/s10311-017-0674-7

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  • DOI: https://doi.org/10.1007/s10311-017-0674-7

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