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Multicolor Fluorescent and Permeation-Selective Microbeads Enable Simultaneous Sensing of pH, Oxygen, and Temperature

Stich, Matthias I. J. ; Schäferling, Michael ; Wolfbeis, Otto S.
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Date of publication of this fulltext: 18 Mar 2011 07:12


Abstract

Multicolor fluorescent microbeads made from various polymers and incorporated into a binder polymer to produce a material whose three signals (measuring pH, temperature, and presence of O2) can be unambiguously assigned after either spectral or time-resolved separation. This renders the material well suited for continuous sensing of these parameters in blood or other bioliquids.


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