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Title: Cytosine: para-sulphonato-calix (4) arene assemblies: in solution, in the solid-state and on the surface of hybrid silver nanoparticles
Authors: Tauran, Yannick
Rhimi, Moez
Ueno, Ryohei
Grosso, Marie
Brioude, Arnaud
Janneau, Erwann
Suwinska, Kinga
Kassab, Rima 
Shahgaldian, Patrick
Cumbo, Alessandro
Fenet, Bernard
Kim, Beomjoon
Coleman, Anthony W.
Affiliations: Department of Chemistry 
Keywords: Cytosine
Hybrid silver nanoparticles
Subjects: Solution (Chemistry)
Issue Date: 2013
Part of: Journal of inclusion phenomena and macrocyclic chemistry
Volume: 77
Issue: 1-4
Start page: 213
End page: 221
The molecular recognition by para-sulphonato-calix[4]arene of cytosine, occurs in solution, in the solid-state and by assembly on the surface of para-sulphonato-calix[4]arene capped silver nanoparticles. Each of these states shows different modes of assembly; in solution a 1:1 complex is formed; in the solid state a 4:1 assembly exists, however some of the cytosine molecules are present as space fillers and do not participate in the host (guest complexes, finally on the surface of the hybrid silver/para-sulphonato-calix[4]arene nanoparticles a 2:1 cytosine/para-sulphonato-calix[4]arene assembly is observed. The assembly processes have been studied by DOSY NMR, fluorescence spectroscopy, Dynamic Light Scattering (DLS), Single Crystal Solid State Diffraction, Visible Spectroscopy and Electron Microscopy. The results demonstrate how cytosine initiates the aggregation of the hybrid silver/para-sulphonato-calix[4]arene hybrid nanoparticles.
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry

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