Gold Nanoparticles

Gold Nanoparticles or Colloidal gold was being used in paintings by artists in ancient time due to the various colors produced by their interaction with visible light. But, now days this optoelectrical property is being used vastly such as conjugation of antibodies/antigen in biomedical field, electronic conductor, drug delivery etc. The color and electronic property of gold Nanoparticles are depends on its shape and size.


Gold Nanoparticles have so many applications in real world; some of major applications are as below:

Gold Nanoparticles are versatile materials with a broad range of applications in a variety of fields. Researchers have coated gold particles with DNA and injected them into plant embryos or plant cells. This will ensure that some genetic material will enter the cells and transform them. This method enhances plant plastids.

The July 2007 issue of Analytical Chemistry reported that scientists from Purdue University were able to use gold Nanoparticles to detect breast cancer. Later it was also discovered that the Nanoparticles could detect toxins and pathogens.

The optical-electronics properties of gold Nanoparticles are being explored widely for use in high technology applications such as sensory probes, electronic conductors, therapeutic agents, organic photovoltaic’s, drug delivery in biological and medical applications, and catalysis. Other applications of gold Nanoparticles are listed below:

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