In order to carry out the scientific researches, different kinds of fluorescent nanoparticles are utilized. Of late Fluorescent carbon nanoparticles have started to be widely used in various research programs due to their low-cost and good bio-compatibility. They have sizes of around 2-6 nanometer with quantum yields of about ~3%. CNPs are nano-crystalline and have predominantly graphite-based structure that come in green, yellow and red fluorescence under ultraviolet lights. Fluorescent carbon nanoparticles find their prominent use in cell imaging applications. They enter into a cell without causing any further functionality and the fluorescence property of these particles is used for fluorescence based cell imaging applications. The fluorescent detection of metal ions is another important application of these particles.
Most of us know about gold as one of the precious metals used in jewelry or for investment purposes. However, scientists have discovered that gold can also be used for conducting researches as well. Gold nanoparticles also known as nanogold have extraordinary optical, electronic and molecular-recognition properties. These properties make gold nanoparticles feasible for applications in various fields, like nanotechnology, electron microscopy, electronics and materials science. Fluorescent gold nanoparticles can be conjugated with amine, biotin, carboxyl, methyl, maleimide, neutravidin, streptavidin to be used in brightfield, darkfield, fluorescence and other imaging applications. They can also be conjugated with antibodies for drug delivery and sensing applications. And, they can be employed for gene therapy and gene specific sequence sensing as well.
If you need different kinds of nanoparticles for different applications, you can buy them from various manufacturers. Many companies having their own manufacturing facilities are providing the best nanoparticles in specific shape uniformity and reactivity. You can explore the internet and find these companies to know more about through their websites.
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