A Simple Probe for the Colorimetric Detection of Carbon Dioxide

Blue with CO2! A new approach for the chromogenic sensing of carbon dioxide using silica nanoparticles functionalized with amino and thiol moieties has been reported. The presence of CO2 in suspensions of the hybrid silica nanoparticles controlled the access of a squaraine dye to the surface of the...

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Bibliographic Details
Published in:Chemistry : a European journal 2013-12, Vol.19 (51), p.17301-17304
Main Authors: Climent, Estela, Agostini, Alessandro, Moragues, María E., Martínez-Máñez, Ramón, Sancenón, Félix, Pardo, Teresa, Marcos, M. Dolores
Format: Article
Language:English
Subjects:
Access control
Carbon dioxide
Chemistry
chromogenic sensing
Colorimetry
Detection
Dyes
ion-channel sensors
Nanoparticles
Silica
silica nanoparticles
Silicon dioxide
Thiols
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Summary:Blue with CO2! A new approach for the chromogenic sensing of carbon dioxide using silica nanoparticles functionalized with amino and thiol moieties has been reported. The presence of CO2 in suspensions of the hybrid silica nanoparticles controlled the access of a squaraine dye to the surface of the nanoparticles resulting in a chromogenic response (see figure).
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201302991