Electrochemiluminescence detection of methamphetamine based on a Ru(bpy) 3  2+ ‐doped silica nanoparticles/Nafion composite film modified electrode | Zendy

Cai Zhimin | Zendy; Lin Zhijie | Zendy; Chen Xiaomei | Zendy; Jia Tiantian | Zendy; Yu Ping | Zendy; Chen Xi | Zendy

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Electrochemiluminescence detection of methamphetamine based on a Ru(bpy) 3 2+ ‐doped silica nanoparticles/Nafion composite film modified electrode

Author(s) -

Cai Zhimin,

Lin Zhijie,

Chen Xiaomei,

Jia Tiantian,

Yu Ping,

Chen Xi

Publication year - 2009

Publication title -

luminescence

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.428

H-Index - 45

eISSN - 1522-7243

pISSN - 1522-7235

DOI - 10.1002/bio.1160

Subject(s) - electrochemiluminescence , nafion , microemulsion , nanoparticle , detection limit , materials science , electrode , electrochemistry , doping , composite number , analytical chemistry (journal) , nuclear chemistry , chemical engineering , nanotechnology , chemistry , chromatography , composite material , optoelectronics , pulmonary surfactant , engineering

An electrochemiluminescence (ECL) approach for methamphetamine determination was developed based on a glassy carbon electrode modified with a Ru(bpy) 3 2+ ‐doped silica nanoparticles/Nafion composite film. The monodispersed nanoparticles, which were about 50 nm in size, were synthesized using the water‐in‐oil microemulsion method. The ECL results revealed that Ru(bpy) 3 2+ doped in silica nanoparticles retained its original photo‐ and electrochemical properties. The ECL intensity was found to be proportional to methamphetamine concentration over the range from 1.0 × 10 −7 to 1.0 × 10 −5 mol L −1 , and the detection limit was found to be 2.6 × 10 −8 mol L −1 . The proposed ECL approach was used to analyze the methamphetamine content in drugs. Copyright © 2009 John Wiley & Sons, Ltd.

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