Time-resolved confocal fluorescence microscopy of trinitrobenzene-responsive organic nanofibers

Time-resolved confocal fluorescence microscopy of trinitrobenzene-responsive organic nanofibers

Time-resolved confocal fluorescence microscopy is used to image and analyze quantitatively the influence of 1,3,5-trinitrobenzene on the fluorescence of organic nanofibers. These nanofibers are formed by self-assembly of 2,3-didecyloxyanthracene in methanol or from solutions drop-casted onto glass s...

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Veröffentlicht in:Analytical and bioanalytical chemistry 2010, Vol.396 (1), p.125-131
Hauptverfasser: Giansante, Carlo, Olive, Alexandre G. L, Schäfer, Christian, Raffy, Guillaume, Del Guerzo, André
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Analytical Chemistry
Biochemistry
Characterization and Evaluation of Materials
Chemical properties
Chemistry
Chemistry and Materials Science
Comparative analysis
Confocal
Fluorescence
Fluorescence microscopy
Food Science
Glass
Laboratory Medicine
Microscopy
Monitoring/Environmental Analysis
Nanofibers
Nanostructure
Nanotechnology
Nitrobenzenes
Original Paper
Self assembly
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Beschreibung
Zusammenfassung:Time-resolved confocal fluorescence microscopy is used to image and analyze quantitatively the influence of 1,3,5-trinitrobenzene on the fluorescence of organic nanofibers. These nanofibers are formed by self-assembly of 2,3-didecyloxyanthracene in methanol or from solutions drop-casted onto glass surfaces. Amplification of the fluorescence quenching emerges in the nanofibers as compared to the constituting monomer thus leading to efficient detection of nanomolar concentrations of TNB. The emission of dry nanofibers on glass is also efficiently quenched by vapors of TNB.
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-009-3179-9