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Recent advances in nanomaterials integrated immunosensors for food toxin detection

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Abstract

For the management and prevention of many chronic and acute diseases, the rapid quantification of toxicity in food and feed products have become a significant concern. Technology advancements in the area of biosensors, bioelectronics, miniaturization techniques, and microfluidics have shown a significant impact than conventional methods which have given a boost to improve the sensing performance towards food analyte detection. In this article, recent literature of Aflatoxin B1 (AFB1), worldwide permissible limits, major outbreaks and severe impact on healthy life have been discussed. An improvement achieved in detection range, limit of detection, shelf-life of the biosensor by integrated dimensional nanomaterials such as zero-dimension, one-dimension and two-dimension for AFB1 detection using electrical and optical transduction mechanism has been summarized. A critical overview of the latest trends using paper-based and micro-spotted array integrated with the anisotropic shape of nanomaterials, portable microfluidic devices have also been described together with future perspectives for further advancements.

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Acknowledgements

We are thankful to Director, CSIR-National Physical Laboratory, New Delhi, India, for providing the facilities. H.B. is grateful to CEFIPRA for the award of Raman-Charpak Fellowship-2017.

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  1. Hema Bhardwaj, Rajesh and Gajjala Sumana have contributed equally.

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  1. CSIR-National Physical Laboratory, Dr. KS Krishnan Marg, New Delhi, 110012, India

    Hema Bhardwaj,  Rajesh & Gajjala Sumana

  2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India

    Hema Bhardwaj & Gajjala Sumana

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  1. Hema Bhardwaj
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Bhardwaj, H., Rajesh & Sumana, G. Recent advances in nanomaterials integrated immunosensors for food toxin detection. J Food Sci Technol 59, 12–33 (2022). https://doi.org/10.1007/s13197-021-04999-5

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