Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity

Wei Chung Chen; Ya Li Hsu; null Venkatesan; Jyh Myng Zen

doi:10.1002/elan.201300548

Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity

Wei Chung Chen, Ya Li Hsu, Venkatesan, Jyh Myng Zen

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We report here an easily applicable method for the quantification of nitrite (NO₂^-) in real samples. This approach simplified the two steps of sample preparation and detection into a 2-in-1 single step process. Samples were digested in sulfuric acid and the as-generated nitric oxide (NO) was detected by an electrochemical sensor in the gas phase. It eliminated almost all of the interferents in the solution phase and hence resulted in a highly selective determination of nitrite suitable for food samples with complicated matrix. We successfully demonstrated the determination of nitrite in sausage and vegetables and further validated the results with an AOAC official reference method.

Original language	English
Pages (from-to)	565-572
Number of pages	8
Journal	Electroanalysis
Volume	26
Issue number	3
DOIs	https://doi.org/10.1002/elan.201300548
Publication status	Published - 2014 Mar 1

All Science Journal Classification (ASJC) codes

Analytical Chemistry
Electrochemistry

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title = "Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity",

abstract = "We report here an easily applicable method for the quantification of nitrite (NO2-) in real samples. This approach simplified the two steps of sample preparation and detection into a 2-in-1 single step process. Samples were digested in sulfuric acid and the as-generated nitric oxide (NO) was detected by an electrochemical sensor in the gas phase. It eliminated almost all of the interferents in the solution phase and hence resulted in a highly selective determination of nitrite suitable for food samples with complicated matrix. We successfully demonstrated the determination of nitrite in sausage and vegetables and further validated the results with an AOAC official reference method.",

author = "Chen, {Wei Chung} and Hsu, {Ya Li} and Venkatesan and Zen, {Jyh Myng}",

year = "2014",

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Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity. / Chen, Wei Chung; Hsu, Ya Li; Venkatesan et al.

In: Electroanalysis, Vol. 26, No. 3, 01.03.2014, p. 565-572.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity

AU - Chen, Wei Chung

AU - Hsu, Ya Li

AU - Venkatesan, null

AU - Zen, Jyh Myng

PY - 2014/3/1

Y1 - 2014/3/1

N2 - We report here an easily applicable method for the quantification of nitrite (NO2-) in real samples. This approach simplified the two steps of sample preparation and detection into a 2-in-1 single step process. Samples were digested in sulfuric acid and the as-generated nitric oxide (NO) was detected by an electrochemical sensor in the gas phase. It eliminated almost all of the interferents in the solution phase and hence resulted in a highly selective determination of nitrite suitable for food samples with complicated matrix. We successfully demonstrated the determination of nitrite in sausage and vegetables and further validated the results with an AOAC official reference method.

AB - We report here an easily applicable method for the quantification of nitrite (NO2-) in real samples. This approach simplified the two steps of sample preparation and detection into a 2-in-1 single step process. Samples were digested in sulfuric acid and the as-generated nitric oxide (NO) was detected by an electrochemical sensor in the gas phase. It eliminated almost all of the interferents in the solution phase and hence resulted in a highly selective determination of nitrite suitable for food samples with complicated matrix. We successfully demonstrated the determination of nitrite in sausage and vegetables and further validated the results with an AOAC official reference method.

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Disposable Screen-Printed Edge Band Ultramicroelectrodes for Use as Nitric Oxide Gas Sensor in Designing an Easily Applicable Method for Real Sample Analysis of Nitrite with Superior Selectivity and Sensitivity

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