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Monodisperse nanoparticles with available sizes ranging from 5 to 150 nm.
Gold Nanoparticles are citrate capped without any other surfactants.
Application Fields
Red color gold nanopaticles are readily conjugated to proteins and DNA, and gold-biomolecule conjugates have been widely incorporated into diagnostic applications.
Gold nanoparticles can be conjugated to biomolecules to specifically target cancer cells, and used for photothermal cancer therapy, where their tunable optical properties cause them to convert laser light into heat and selectively kill cancerous cells.
Gold nanoparticles have unique optical properties because they support surface plasmons. Applications of plasmonic gold nanoparticles include biomedical labels, sensors, and detectors. The gold plasmon resonance is also the basis for enhanced spectroscopy techniques such as Surface Enhanced Raman Spectroscopy (SERS) and Surface Enhanced Fluorescence Spectroscopy which can be used to detect analytes with ultrahigh sensitivity.
Gold nanoparticles are used as catalysts in a number of chemical reactions. The surface of a gold nanoparticle can be used for selective oxidation or in certain cases the surface can reduce a reaction. Gold nanoparticles are being developed for fuel cell applications. These technologies would be useful in the automotive and display industry.