Amperometric Detection of Nitric Oxide with Microsensor in the Medium of Seawater and Its Applications

doi:10.3390/s5120537

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Sensors 2005, 5(12), 537-545; doi:10.3390/s5120537

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Amperometric Detection of Nitric Oxide with Microsensor in the Medium of Seawater and Its Applications

Lei Xing * , Zheng-Bin Zhang, Chun-Ying Liu, Zhen-Zhen Wu and Cai Lin

Institute of Marine Chemistry, Ocean University of China, Qingdao 266003, China

* Author to whom correspondence should be addressed.

Received: 8 June 2005 / Accepted: 10 December 2005 / Published: 15 December 2005

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Abstract: Amperometric detection of nitric oxide with ISO-NOPMC NO microsensors(WPI) is systemically studied in the six media including seawater. The linear range of themicrosensor for NO was from 10^-6 to 10^-9 mol/l and the detection limit was4.2×10^-10 mol/L(S/N=2). With this method, we provide preliminary evidence that NOproduction could be a general attribute of marine alga (Haeterosigma akashiwo).Experiment conducted with inhibitor of uncoupler 2,4-DNP (2,4-dinitropheno) revealed thatNR (nitrate reductase) activity is responsible for NO formation.

Keywords: Amperometric detection; ISO-NOPMC NO microsensors; Nitric oxide; Seawater; Haeterosigma akashiwo

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Cite This Article

MDPI and ACS Style

Xing, L.; Zhang, Z.-B.; Liu, C.-Y.; Wu, Z.-Z.; Lin, C. Amperometric Detection of Nitric Oxide with Microsensor in the Medium of Seawater and Its Applications. Sensors 2005, 5, 537-545.

AMA Style

Xing L., Zhang Z.-B., Liu C.-Y., Wu Z.-Z., Lin C. Amperometric Detection of Nitric Oxide with Microsensor in the Medium of Seawater and Its Applications. Sensors. 2005; 5(12):537-545.

Chicago/Turabian Style

Xing, Lei; Zhang, Zheng-Bin; Liu, Chun-Ying; Wu, Zhen-Zhen; Lin, Cai. 2005. "Amperometric Detection of Nitric Oxide with Microsensor in the Medium of Seawater and Its Applications." Sensors 5, no. 12: 537-545.

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