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Can biosensors help to protect drinking water?

G P Evans, M G Briers, D M Rawson

    Biosensors
    |January 1, 1986
    PubMed
    Summary

    Biosensors offer a promising method for detecting toxins in drinking water sources. Monitoring biological processes can provide early warnings of harmful pollutants in rivers.

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    Area of Science:

    • Environmental Science
    • Biotechnology
    • Toxicology

    Background:

    • Lowland rivers supply a significant portion of drinking water, making them vulnerable to industrial and agricultural pollution.
    • Sudden toxic pollution events pose a considerable risk to public health and water quality.

    Purpose of the Study:

    • To explore the potential of biosensors as broad-spectrum monitors for detecting toxins in drinking water.
    • To investigate the use of biological processes for early warning systems against harmful substances.

    Main Methods:

    • Reviewing the application of biosensors, including multi-cellular organisms, whole cells, and enzymes, for toxin detection.
    • Comparing the efficacy and response times of different biological monitoring systems.

    Main Results:

    • Biosensors can function as broadband monitors for a range of potential toxins.
    • Enzymes and single cells show promise for faster responses and easier maintenance compared to fish-based systems.

    Conclusions:

    • Biosensors utilizing biological processes offer a viable strategy for on-line monitoring of drinking water quality.
    • Further development of enzyme and single-cell-based biosensors could enhance early warning capabilities for waterborne toxins.

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