On-line preparation of peroxymonocarbonate and its application for the study of energy transfer chemiluminescence to lanthanide inorganic coordinate complexes

Luminescence : the Journal of Biological and Chemical Luminescence
Meilin LiuJin-Ming Lin

Abstract

It has been shown that peroxymonocarbonate ion (HCO(4) (-)) is a potent oxidant. In this study, a flow-injection system was developed in order to prepare on-line HCO(4) (-) ion and the optimum conditions for the on-line preparation of HCO(4) (-) were studied in detail. We used 99% (13)C-enriched NaHCO(3) to examine peroxymonocarbonate by (13)C-NMR at 25 degrees C. An ultra-weak chemiluminescence (CL) was observed after mixing H(2)O(2) and sodium bicarbonate in an organic co-solvent that can accelerate the formation of HCO(4) (-) ion. When lanthanide inorganic coordinate complex, Eu(II)-EDTA, was added into this HCO(4) (-) system, the CL intensity was significantly enhanced. The CL mechanism was investigated by various methods. The experimental results indicate that peroxymonocarbonate oxidizes Eu(II) to Eu(III) and produces singlet oxygen; meanwhile, the energy originating from dimers of singlet oxygen is accepted by the Eu(III)-EDTA(-) complex. The excited Eu(III) ions undergo radiative deactivation and emit CL.

References

Jun 12, 2001·Inorganic Chemistry·D A BennettD E Richardson
Aug 30, 2002·Analytical Chemistry·Rezik A AgbariaIsiah M Warner
Oct 3, 2002·Journal of the American Chemical Society·Benjamin S LaneKevin Burgess
Jun 6, 2003·Journal of the American Chemical Society·Huirong Yao, David E Richardson
Oct 16, 2003·Journal of the American Chemical Society·Yoko YamakoshiTetsuo Nagano
Dec 19, 2003·Free Radical Biology & Medicine·David E RichardsonJodie V Johnson

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Citations

Nov 11, 2008·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Jin-Ming Lin, Meilin Liu
Aug 29, 2009·Luminescence : the Journal of Biological and Chemical Luminescence·Bo-Tao Zhang, Jin-Ming Lin
Dec 9, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Zhiyang ZhangLingxin Chen
Aug 27, 2010·The Journal of Physical Chemistry. a·Hui ChenJin-Ming Lin

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