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A Multi-Wall Carbon Nanotubes-Dicetyl Phosphate Electrode for the Determination of Hypoxanthine in Fish

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Abstract

An enzymeless sensor based on a multi-walled carbon nanotubes-dicetyl phosphate (MWCNT-DCP) film modified vitreous carbon electrode was developed for the determination of hypoxanthine. The MWCNT-DCP film modified electrode showed a remarkable enhancement effect on the oxidation peak current of hypoxanthine. Under the optimized conditions, the oxidation peak current is proportional to the concentration of hypoxanthine over the range from 5.0 × 10–7 to 2.0 × 10–4 mol L–1 with a detection limit (S/N = 3) of 2.0 × 10–7 mol L–1. The MWCNT-DCP film modified electrode has been successfully used to detect hypoxanthine in fish samples.

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Authors and Affiliations

  1. Department of Chemistry, Xiaogan University, Xiaogan, 432100, Hubei, China

    Shaofang Lü

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  1. Shaofang Lü
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Correspondence to Shaofang Lü.

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Lü, S. A Multi-Wall Carbon Nanotubes-Dicetyl Phosphate Electrode for the Determination of Hypoxanthine in Fish. ANAL. SCI. 19, 1309–1312 (2003). https://doi.org/10.2116/analsci.19.1309

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  • DOI: https://doi.org/10.2116/analsci.19.1309

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