4.7 Article

Ratiometric multimodal chemosensors based on cubic silsesquioxanes for monitoring solvent polarity

Journal

BIOORGANIC & MEDICINAL CHEMISTRY
Volume 16, Issue 23, Pages 10029-10033

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2008.10.016

Keywords

Multimodal probe; Silsesquioxane; F-19 NMR; Fluorescence; Ratiometric sensor; Solvent polarity

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We report the multi-functionalized cubic silsesquioxane (POSS) as the ratiometric multimodal chemosensors for monitoring solvent polarity with fluorescence and F-19 NMR. The alteration of the dispersion state of the modified POSS by changing solvent polarity can be reflected into the orthogonal signal responses for the fluorescence and F-19 NMR. In addition, the ratiometric dual monitoring for the enzymatic reaction was performed using the POSS-based chemosensor. (c) 2008 Elsevier Ltd. All rights reserved.

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