Spin labelled Disulfides as mechanistic Probes for Au Nanoparticles
Chemical structure of several radicals synthesised for labelling gold nanoparticles:
Ligand exchange on phosphine protected Au nanoparticles :
EPR spectra of low coverage Au nanoparticles |
EPR spectra of high coverage Au nanoparticles |
"Spin-Labelled Au nanoparticles" V. Chechik, P. Ionita, B. C. Gilbert, A. Caragheorgheopol, H. Caldararu, H. Wellsted, A. Korte, Faraday Discussion, 2004, 125, 279-91.
"Generation of oxygen-, sulfur, nitrogen- and phosphorus-centred short-lived radicals via one-electron oxidation with nitro-substituted hydrazyl radicals" P. Ionita, B. C. Gilbert , and A. C. Whitwood, Letters in Organic Chemistry, 2004, 1, 70-4.
"Hydrazyl, Nitronyl-, And Imino-Nitroxides: Synthesis, Partition Properties And Reaction With Nitric Oxides" T. Constantinescu, P. Ionita, I. Chiorescu, and G. Ionita, Central European Journal of Chemistry, 2003, 1, 465-76.
"A New Crown Compound With Multifunctional Capabilities" G. Ionita, and P. Ionita, J. Inclusion Phen., 2003,45, 79-82.
"EPR Study of a Place Exchange Reaction on Gold Nanoparticles: Two Branches of a Disulphide Molecule Do Not Adsorb Adjacent to Each Other" P. Ionita, A. Caragheorgheopol, V. Chechik, and B. C. Gilbert, J. Am Chem. Soc, 2002, 124, 9048-9.
"Synthesis And Characterisation Of Some Novel Hetero-Diradicals Containing Linked Hydrazyl And Nitroxide Moieties" P. Ionita, B. C. Gilbert, and A. C. Whitwood, Perkin Trans. II, 2001, 1453-62.