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Applied Nanotechnology, 3rd Edition
book

Applied Nanotechnology, 3rd Edition

by Jeremy Ramsden
January 2018
Beginner to intermediate content levelBeginner to intermediate
312 pages
11h 48m
English
William Andrew
Content preview from Applied Nanotechnology, 3rd Edition
Chapter 14

The Safety of Nanofacture and Nanomaterials

Abstract

The primary hazard posed by nanoparticles is due to their penetration into the human body — mainly by respiration, or a dermal or oral route. The ease of penetration is size-, shape-, and substance-dependent. Once inside the body, they may be widely distributed by the vascular system. Some nano-objects have been shown to be able to traverse the blood–brain barrier. There is still controversy regarding the actual mechanism of harm, which is certainly likely to be substance-dependent. Many nano-objects cause inflammation; highly elongated objects (nanofibers, which include carbon nanotubes) cannot be cleared by pinocytosis nor by phagocytosis; the inflammation becomes chronic, ...

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Publisher Resources

ISBN: 9780128133446