Study on Synthesis and Characterization of a Fluorescence Probe and its Application for Determination of Superoxide Anion Radical

Yong Qiang Zhao; Hong Lin; Lai Hao Li; Xian Qing Yang; Shu Xian Hao; Jian Wei Cen; Ya Wei; Bo Qi; Hui Huang

doi:10.4028/www.scientific.net/AMR.393-395.1483

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 393-395Study on Synthesis and Characterization of a...

Study on Synthesis and Characterization of a Fluorescence Probe and its Application for Determination of Superoxide Anion Radical

Abstract:

A novel Schiff base, 2-(Salicylideneamino)pyridine (2-SAP) synthesized by 2-aminopyridine and salicylaldehyde was used as a fluorescence probe to determine superoxide anion radical (O2•-) in this study. The synthetic product was characterized by IR, 1H-NMR and GC-MS methods. A fluorescence quenching reaction occurs between 2-SAP and O2•-, and the fluorescence intensity decreased significantly. The effect of pyrogallol concentration (2.0×10-5 M to1.0×10-3 M) was discussed in this study. In the range from 2.0×10-5 M to 1.0×10-4 M, relative fluorescence intensity (y) and pyrogallol concentration (x) shown a good linear relationship, y=37.801x+76.854, r=0.993. Based on this phenomenon, the O2•- generated by pyrogallol autoxidation could be determined simply with high sensitivity.

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Periodical:

Advanced Materials Research (Volumes 393-395)

Pages:

1483-1487

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.393-395.1483

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Online since:

November 2011

Authors:

Yong Qiang Zhao, Hong Lin, Lai Hao Li, Xian Qing Yang, Shu Xian Hao, Jian Wei Cen, Ya Wei, Bo Qi, Hui Huang

Keywords:

Characterization, Fluorescence Probe, Superoxide Anion Radical, Synthesis

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