منابع مشابه
Host-guest chemistry with water-soluble gold nanoparticle supraspheres.
The uptake of molecular guests, a hallmark of the supramolecular chemistry of cages and containers, has yet to be documented for soluble assemblies of metal nanoparticles. Here we demonstrate that gold nanoparticle-based supraspheres serve as a host for the hydrophobic uptake, transport and subsequent release of over two million organic guests, exceeding by five orders of magnitude the capaciti...
متن کاملWater-soluble amphiphilic gold nanoparticles with structured ligand shells.
Highly water-soluble mixed monolayer protected "rippled" gold nanoparticles were synthesized through a one step reaction with sodium 11-mercaptoundecanesulfonate and octanethiol ligands at various ratios.
متن کاملSurface properties of water-soluble glycine-cysteamine-protected gold clusters.
We report the synthesis of water-soluble, nearly monodisperse glycine-cysteamine (Gly-CSA) gold monolayer protected clusters (MPCs) via base deprotection of Fmoc-Gly-CSA MPCs. The resulting Gly-CSA MPCs, which have terminal primary amine groups, are fully characterized by (1)H and (13)C NMR, UV-vis spectroscopy, and TEM, and their surface properties were probed by dynamic light scattering and a...
متن کاملWater-soluble gold nanoparticles protected by fluorinated amphiphilic thiolates.
The preparation and the properties of gold nanoparticles (Au NPs) protected by perfluorinated amphiphiles are described. The thiols were devised to form a perfluorinated region close to the gold surface and to have a hydrophilic portion in contact with the bulk solvent to impart solubility in water. The monolayer protected clusters were prepared, in an homogeneous phase using sodium thiolates b...
متن کاملSynthesis of small water-soluble diazirine-functionalized gold nanoparticles and their photochemical modification
Dual water and organic solvent soluble 3-aryl-3-(trifluormethyl) diazirine-functionalized gold nanoparticles (AuNPs) were prepared through a place exchange reaction from triethylene glycol monomethyl ether (EG3-Me) capped AuNPs. These nanoparticles were fully characterized using 1H and 19F nuclear magnetic resonance (NMR) spectroscopy, transmission electron microscopy (TEM), thermogravimetric a...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2008
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(08)70247-5