Gold Nano Particles- An Overview!

Gold Nano Particles

Gold Nano Particles | Image Resource : cytodiagnostics.com

The gold Nano particles have been put to use for centuries by scientists because of vibrant colors formulated by their interaction and visible light. The electronic along with optical properties of Gold Nano rods could be altered by changing their size, surface area or state of aggression.

Electrical along with optical properties of Gold Nano rods

The interaction of light by Gold Nano rods is strongly discouraged by their surface area, size in consortium with dimensions. Once the size of the particle is known to increase towards the bulk limit, the reasonable wave lengths do move over to the IR portion of the spectrum.

This is a phenomenon that is seen when excess salt is added to the gold particles. Then the surface charge of the gold particle becomes neutral. Because of this the solution goes on to change color from red to blue. In order to minimize the versatile surface chemistry associated with the gold Nanoparticles it would allow them to be coated with polymers. This surface modification does allow the gold particles to be used at an extensive level in engineering, biological, chemical along with medical applications. You have to educate yourself about the typical properties of gold particles.

Applications of gold particles

There are some areas where Gold Nano rods do find its use at a considerable level

Electronics- Gold particles are viable to use in conductors from electronic chips to printable inks. Once the world of electronics goes on to become smaller, Nano particles work out to be important components in chip design. The gold particles on a Nano scale are used to connect conductors, transistors or other elements of an electronic chip.

Probes- the gold Nano particles are known to scatter light and go on to produce an array of interesting colors under the dark field microscopy. This scattered light of gold Nano particles are currently put to use in biological imaging applications. In fact, the gold Nano particles are relatively dense make it useful for transmission electrons.

Diagnostics- Gold Nano particles are also being put to use as bio makers in diagnosing heart diseases, cancer along with other infectious agents. One of the common examples that you a stumble upon them is the home pregnancy test.

Last but not the last the gold nano particles are used as a catalyst in various chemical reactions. This technology is expected to be use in the automobile industry.

 
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