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Proceedings Paper

Development of paper-based electrochemical sensors for water quality monitoring
Author(s): Suzanne Smith; Petroné Bezuidenhout; Mesuli Mbanjwa; Haitao Zheng; Mariette Conning; Nithyadharseni Palaniyandy; Kenneth Ozoemena; Kevin Land
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Paper Abstract

We present a method for the development of paper-based electrochemical sensors for detection of heavy metals in water samples. Contaminated water leads to serious health problems and environmental issues. Paper is ideally suited for point-of-care testing, as it is low cost, disposable, and multi-functional. Initial sensor designs were manufactured on paper substrates using combinations of inkjet printing and screen printing technologies using silver and carbon inks. Bismuth onion-like carbon nanoparticle ink was manufactured and used as the active material of the sensor for both commercial and paper-based sensors, which were compared using standard electrochemical analysis techniques. The results highlight the potential of paper-based sensors to be used effectively for rapid water quality monitoring at the point-of-need.

Paper Details

Date Published: 3 February 2017
PDF: 6 pages
Proc. SPIE 10036, Fourth Conference on Sensors, MEMS, and Electro-Optic Systems, 100360C (3 February 2017); doi: 10.1117/12.2244290
Show Author Affiliations
Suzanne Smith, Council for Scientific and Industrial Research (South Africa)
Petroné Bezuidenhout, Council for Scientific and Industrial Research (South Africa)
Mesuli Mbanjwa, Council for Scientific and Industrial Research (South Africa)
Haitao Zheng, Council for Scientific and Industrial Research (South Africa)
Mariette Conning, Council for Scientific and Industrial Research (South Africa)
Nithyadharseni Palaniyandy, Council for Scientific and Industrial Research (South Africa)
Kenneth Ozoemena, Council for Scientific and Industrial Research (South Africa)
Kevin Land, Council for Scientific and Industrial Research (South Africa)


Published in SPIE Proceedings Vol. 10036:
Fourth Conference on Sensors, MEMS, and Electro-Optic Systems
Monuko du Plessis, Editor(s)

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