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Issue 16, 2014
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Fluorometric/colorimetric logic gates based on BODIPY-functionalized mesoporous silica

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Abstract

Functionalized mesoporous SiO2 nanoparticles are useful as colorimetric and fluorometric logic gates, which with various inputs such as metal ions induce photoinduced electron transfer (PET) and internal charge transfer (ICT) processes. We have demonstrated that metal ions acting as modulators in BODIPY-functionalized mesoporous SiO2 can generate absorbance changes in accordance with the operation of a half-adder digital circuit. In addition, a NAND logic gate in the emission mode was obtained which exploited a different binding affinity for metal ions for different ligands.

Graphical abstract: Fluorometric/colorimetric logic gates based on BODIPY-functionalized mesoporous silica

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Article information


Submitted
04 Feb 2014
Accepted
10 Jun 2014
First published
12 Jun 2014

Analyst, 2014,139, 3866-3870
Article type
Communication
Author version available

Fluorometric/colorimetric logic gates based on BODIPY-functionalized mesoporous silica

H. Choi, J. H. Lee and J. H. Jung, Analyst, 2014, 139, 3866
DOI: 10.1039/C4AN00251B

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