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A Hybrid-Monolayer Fluorescence Probe Towards the Detection of Ultratrace Co2+ Ion at Surface of SiO2 Nanoparticles
Corresponding Author(s) : Daming Gao
Asian Journal of Chemistry,
Vol. 25 No. 10 (2013): Vol 25 Issue 10
Abstract
This paper reports a resonance energy transfer-amplifying fluorescence quenching at the surface of silica nanoparticles for the ultrasensitive and ultratrace detection of Co2+ ion in solution. The nanoparticle-assembled arrays on silicon wafer can sensitively detect down to ca. 1 nM Co2+ with the use of only 10 μL of solution (ca. 60 pg Co2+).
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- J.I. Steinfeld and J. Wormhoudt, Ann. Rev. Phys. Chem., 49, 203 (1998).
- E.R. Goldman, I.L. Medintz, J.L. Whitley, A. Hayhurst, A.R. Clapp, H.T. Uyeda, J.R. Deschamps, M.E. Lassman and H. Mattoussi, J. Am. Chem. Soc., 127, 6744 (2005).
- I.L. Medintz, E.R. Goldman, M.E. Lassman, A. Hayhurst, A.W. Kusterbeck and J.R. Deschamps, Anal. Chem., 77, 365 (2005).
- D.M. Gao, Z.P. Zhang, M.H. Wu, C.G. Xie, G.J. Guan and D.P. Wang, J. Am. Chem. Soc., 129, 7859 (2007).
- D.M. Gao, Z.Y. Wang, B.H. Liu, L. Ni, M.H. Wu and Z.P. Zhang, Anal. Chem., 80, 8545 (2008).
- W. Stöber, A. Finker and E. Bohn, J. Colloids Interf. Sci., 26, 62 (1968).
References
J.I. Steinfeld and J. Wormhoudt, Ann. Rev. Phys. Chem., 49, 203 (1998).
E.R. Goldman, I.L. Medintz, J.L. Whitley, A. Hayhurst, A.R. Clapp, H.T. Uyeda, J.R. Deschamps, M.E. Lassman and H. Mattoussi, J. Am. Chem. Soc., 127, 6744 (2005).
I.L. Medintz, E.R. Goldman, M.E. Lassman, A. Hayhurst, A.W. Kusterbeck and J.R. Deschamps, Anal. Chem., 77, 365 (2005).
D.M. Gao, Z.P. Zhang, M.H. Wu, C.G. Xie, G.J. Guan and D.P. Wang, J. Am. Chem. Soc., 129, 7859 (2007).
D.M. Gao, Z.Y. Wang, B.H. Liu, L. Ni, M.H. Wu and Z.P. Zhang, Anal. Chem., 80, 8545 (2008).
W. Stöber, A. Finker and E. Bohn, J. Colloids Interf. Sci., 26, 62 (1968).