Versatility of the gold nanoparticle.
Gold is a noble metal, and it is commonly used because of its resistance to oxidation and electrical, magnetic, and physical properties. Forming gold into nanoparticles allows researchers to use gold in areas that are too small for bulk gold to reach and brings with it new capabilities. Gold nanoparticles have been utilized for centuries by artists due to the vibrant colors produced by their interaction with visible light. Gold nanoparticles, exhibit good chemical stability, and they can be surface functionalized with almost every type of electron-donating molecule including biomolecules. Gold nanoparticles are undoubtedly very versatile. Gold nanoparticles have played an important and severe role in medicine since ancient times. Also, gold nanoparticle is the most suitable for drug delivery applications. Drug delivery using gold nanoparticles, in combination with their intrinsic capability for photothermal therapy, should be explored in the future .
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