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European Journal of Environmental Ecology

Volume 10, Issue 1, 2023
Mcmed International
European Journal of Environmental Ecology
Issn
XXX-XXXX (Print), 2393 - 9672 (Online)
Frequency
bi-annual
Email
editorejee@mcmed.us
Journal Home page
http://mcmed.us/about/ejee
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Abstract
Title
NANO-TECHNOLOGY AND ITS USE: A REVIEW
Author
Sakshi Gupta, Ujjwal Nautiyal*, Ankur Aggarwal
Email
ujjwal_nautiyal@rediffmail.com
keyword
Nanotechnology, Fullerenes, dendrimers, bioavailability, proportionality, toxicity
Abstract
Nanotechnology derived from the word "Nano" which is derived from the greek word νᾶνος (nanos) meaning dwarf. A nanometer is a billionth of a meter, means, about 1/80,000 of the diameter of a human hair, or 10 times the diameter of a hydrogen atom. Nanotechnology refers to the third category and is the creation of materials, devices, and systems in the nanometer scale. Nanoparticles (NPs) exhibit different optical, electrical, magnetic, chemical, and mechanical properties as compared to their bulk counterparts. Nano-materials are matter containing particles at the nanometer scale (1-100 billionths of a meter) and can occur naturally (as a result of volcanic eruptions, forest fires, ocean spray, hydrothermal vent systems, dust volatilization), be created incidentally (as by-products of industrial processes and combustion engines) or be engineered for a specific application. Exposure to nano-materials in the environment may result from commercial products. The most common ENP (Engineered nanoparticle) listed on a prominent U.S. online consumer product database is silver (Ag NP).
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