Internal Diffusion of Micro/Nanoparticles Inside Body

Abstract:

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Both biochemical cell functional test and animal implantation test were done to investigate the reaction to fine particles. Particles cause nonspecifically phagocytosis to cells and inflammation to tissue for the size below 10m. With the size below 50nm particles may invade into the internal body through the respiratory or digestive system and diffuse inside body. Ti mapping by XSAM after the compulsory exposure test to the respiratory system showed the internal diffusion of 30nm TiO2 particles. They diffused with time course to lung, liver and spleen after injection from caudal vein. Nanoparticles might be the objects whose existence has not been assumed by the biophylactic system.

Info:

Periodical:

Key Engineering Materials (Volumes 361-363)

Main Theme:

Edited by:

Guy Daculsi and Pierre Layrolle

Pages:

95-98

DOI:

10.4028/www.scientific.net/KEM.361-363.95

Citation:

F. Watari et al., "Internal Diffusion of Micro/Nanoparticles Inside Body", Key Engineering Materials, Vols. 361-363, pp. 95-98, 2008

Online since:

November 2007

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Price:

$35.00

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