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Water-soluble and red-emitting gold nanoclusters (Au NCs) were synthesized with single-stranded DNA as a promising biotemplate and dimethylamine borane as a mild reductant. The fluorescent Au NCs can be formed in a weakly acidic aqueous solution that is free from the simultaneous formation of large nanoparticles. The cluster feature of the formed Au species has been revealed by fluorescence spectra,...
Heating response of gold nanoclusters of two different sizes (2 and 3 nm) under radio frequency electric field has been reported here for the first time. Experiments were performed on colloidal solution of nanoparticles and their in vitro hyperthermia effect was investigated on pancreatic cancer cells (MIA Paca-2). Gold nanoclusters at concentrations up to 200 ppm were found non-toxic, based on the...
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