title: Electrochemiluminescence resonance energy transfer based on Ru(phen)3(2+)-doped silica nanoparticles and its application in "turn-on" detection of ozone.
abstract: Both the electrochemiluminescence (ECL) method for sensitive detection of ozone and the ECL resonance energy transfer (ECRET) using ozone have been reported for the first time. It is based on the ECRET of Ru(phen)3(2+)-doped silica nanoparticles (RuSiNPs) to indigo carmine. In the absence of ozone, the ECL of RuSiNPs is quenched as a result of the ECRET of RuSiNPs to indigo carmine. In the presence of ozone, the ECL of the system is "turned on" because ozone can oxidize indigo carmine and interrupt the ECRET from RuSiNPs to indigo carmine. In this way, it provides a simple ECL sensing of ozone via the proposed RuSiNP-based ECRET strategy with a linear range from 0.05-3.0 μM and a limit of detection (LOD) of 30 nM. The detection takes less than 5 min. This method is also successfully applied in the analysis of ozone in human serum samples and atmospheric samples.
authors: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.
authors: Wenjing
authors: W
authors: Qi
authors: Di
authors: D
authors: Wu
authors: Jianming
authors: J
authors: Zhao
authors: Zhongyuan
authors: Z
authors: Liu
authors: Wei
authors: W
authors: Zhang
authors: Ling
authors: L
authors: Zhang
authors: Guobao
authors: G
authors: Xu
mesh_terms: D055664:Electrochemical Techniques / Q000379:methods*; D004735:Energy Transfer; D006801:Humans; D008163:Luminescent Measurements / Q000379:methods*; D053758:Nanoparticles / Q000737:chemistry*; D009942:Organometallic Compounds / Q000737:chemistry*; D010126:Ozone / Q000032:analysis*; D010618:Phenanthrolines / Q000737:chemistry*; D012822:Silicon Dioxide / Q000737:chemistry*
chemical_list: D009942:Organometallic Compounds; D010618:Phenanthrolines; C034282:tris-(1,10-phenanthroline)ruthenium; D010126:Ozone; D012822:Silicon Dioxide