Please use this identifier to cite or link to this item: https://doi.org/10.1021/ac100776p
Title: Nanoarray membrane sensor based on a multilayer design for sensing of water pollutants
Authors: Zhuo, L.
Huang, Y.
Cheng, M.S.
Lee, H.K. 
Toh, C.-S. 
Issue Date: 1-Jun-2010
Source: Zhuo, L., Huang, Y., Cheng, M.S., Lee, H.K., Toh, C.-S. (2010-06-01). Nanoarray membrane sensor based on a multilayer design for sensing of water pollutants. Analytical Chemistry 82 (11) : 4329-4332. ScholarBank@NUS Repository. https://doi.org/10.1021/ac100776p
Abstract: A ubiquitous electrochemical sensor which can detect pollutants in nonconducting aqueous solutions is prepared using a triple layer design, comprising a polyelectrolyte entrapped within micrometer-length nanochannels and sandwiched between two nanometer-thick electrode layers. Replacement of the polyelectrolyte with an enzyme-polyelectrolyte mixture within the nanochannels confers excellent biosensing characteristics. Its superior analytical performance of quantitating copper ions and formaldehyde at trace levels without additional sample treatment steps is demonstrated in freshwater samples derived from a local reservoir. © 2010 American Chemical Society.
Source Title: Analytical Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/76611
ISSN: 00032700
DOI: 10.1021/ac100776p
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