What are NANOPARTICLES ? | Nano Tv

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Nanotechnology is the buzz of the world today. Here are some lesser-known facts about this emerging technology:

"You must all be hearing about nanoparticles. But what is the nanoparticle and how has it influenced the science of the modern world?

A nanoparticle is an ultrafine unit with dimensions measured in nanometers. Nanoparticles exist in the natural world and are also created as a result of human activities.

Due to their submicroscopic size, they have unique material characteristics, and manufactured nanoparticles may find practical applications in a variety of areas, including medicine, engineering, catalysis, and environmental remediation.

Nanoparticles can be classified into any of various types, according to their size, shape, and material properties. Some classifications distinguish between organic and inorganic nanoparticles; the first group includes dendrimers, liposomes, and polymeric nanoparticles, while the latter includes fullerenes, quantum dots, and gold nanoparticles.

Nanoparticle-based technologies center on opportunities for improving the efficiency, sustainability, and speed of already-existing processes.
Nanoparticle-based technologies use less material, a large proportion of which is already in a more “reactive” state.

Other applications of nanoparticles are those that stem from manipulating or arranging matter at the nanoscale to provide better coatings, composites, or additives and those that exploit the particles’ quantum effects.

Nanoparticles occur naturally in the environment in large volumes. For example, the sea emits an aerosol of salt that ends up floating around in the atmosphere in a range of sizes, from a few nanometers upward, and smoke from volcanoes and fires contains a huge variety of nanoparticles, many of which could be classified as dangerous to human health.

However, nanoparticles offer tremendous potential for new or improved forms of health care treatment. That has produced a new field of science called nanomedicine."

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