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Updated: Aug 18, 2026

Synthesis and Calibration of Phosphorescent Nanoprobes for Oxygen Imaging in Biological Systems
Published on: March 3, 2010
High-performance quenchometric oxygen sensors based on fluorinated xerogels doped with [Ru(dpp)3]2+
Rachel M Bukowski1, Rosaria Ciriminna, Mario Pagliaro
1Department of Chemistry, 511 Natural Sciences Complex, University at Buffalo, State University of New York, Buffalo, New York 14260-3000, USA.
Abstract:
By using hybrid xerogels that are composed of alkyl and perfluoroalkyl ORMOSILs (organically modified silicates) doped with the luminophore tris(4,7'-diphenyl-1,10'-phenanthroline) ruthenium(II), we have produced highly sensitive O2 sensors (i.e., I(N2)/I(O2) = 35 +/- 4) with linear calibration curves that exhibit less than 2% drift over 6 months.
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