Biosensors for wastewater monitoring: a review

Fatemeh Ejeian, Parisa Etedali, Hajar-Alsadat Mansouri-Tehrani, Asieh Soozanipour, Ze-Xian Low, Mohsen Asadnia, Asghar Taheri-Kafrani, Amir Razmjou*

*Corresponding author for this work

    Research output: Contribution to journalReview articlepeer-review

    191 Citations (Scopus)


    Water pollution and habitat degradation are the cause of increasing water scarcity and decline in aquatic biodiversity. While the freshwater availability has been declining through past decades, water demand has continued to increase particularly in areas with arid and semi-arid climate. Monitoring of pollutants in wastewater effluents are critical to identifying water pollution area for treatment. Conventional detection methods are not effective in tracing multiple harmful components in wastewater due to their variability along different times and sources. Currently, the development of biosensing instruments attracted significant attention because of their high sensitivity, selectivity, reliability, simplicity, low-cost and real-time response. This paper provides a general overview on reported biosensors, which have been applied for the recognition of important organic chemicals, heavy metals, and microorganisms in dark waters. The significance and successes of nanotechnology in the field of biomolecular detection are also reviewed. The commercially available biosensors and their main challenges in wastewater monitoring are finally discussed.

    Original languageEnglish
    Pages (from-to)66-79
    Number of pages14
    JournalBiosensors and Bioelectronics
    Publication statusPublished - 30 Oct 2018


    • Wastewater monitoring
    • Organic materials
    • Heavy metals
    • Microorganisms
    • Biosensor


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