Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


android tablet pc

Home > News > Des affections pulmonaires chez des souris

November 27th, 2009

Des affections pulmonaires chez des souris

Abstract:
Les nanotubes de carbone sont, de toutes les nanoparticules, celles qui ont fait l'objet du plus grand nombre de publications scientifiques. Même si les données toxicologiques restent très parcellaires, elles invitent à la prudence.

Certaines études ont été menées in vitro. Elles mettent en évidence "le caractère insoluble des nanotubes de carbone" et leur capacité "à pénétrer à l'intérieur des cellules et provoquer une cytotoxicité", c'est-à-dire à altérer ces cellules, résume l'Institut national de recherche et de sécurité (INRS). D'autres expériences ont été réalisées in vivo, sur des souris ou des rats auxquels ont été administrées de fortes doses de nanotubes. Conclusion : "Plusieurs études démontrent clairement la biopersistance de ces nano-objets et leur capacité à engendrer une inflammation pulmonaire ainsi qu'une fibrose." Ces premiers résultats, souligne l'INRS, "suggèrent que les nanotubes de carbone seraient potentiellement toxiques pour l'homme".

Source:
lemonde.fr

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

First Observation of Electronic Structure in Ag-Rh Alloy Nanoparticles Having Hydrogen Absorbing: Storage Property –Attempting to solve the mystery of why Ag-Rh alloy nanoparticles have a similar property to Pd– October 30th, 2014

Iranians Present Model to Predict Photocatalytic Process in Removal of Pollutants October 30th, 2014

Production of Biocompatible Polymers in Iran October 30th, 2014

Amorphous Coordination Polymer Particles as alternative to classical nanoplatforms for nanomedicine October 30th, 2014

Preparing for Nano

Durnham University's DEEPEN project comes to a close September 26th, 2012

Technical Seminar at ANFoS 2012 August 22nd, 2012

Nanotechnology shows we can innovate without economic growth April 12th, 2012

Thailand to host NanoThailand 2012 December 18th, 2011

Nanotubes/Buckyballs

Tiny carbon nanotube pores make big impact October 29th, 2014

Materials for the next generation of electronics and photovoltaics: MacArthur Fellow develops new uses for carbon nanotubes October 21st, 2014

Special UO microscope captures defects in nanotubes: University of Oregon chemists provide a detailed view of traps that disrupt energy flow, possibly pointing toward improved charge-carrying devices October 21st, 2014

Imaging electric charge propagating along microbial nanowires October 20th, 2014

Announcements

First Observation of Electronic Structure in Ag-Rh Alloy Nanoparticles Having Hydrogen Absorbing: Storage Property –Attempting to solve the mystery of why Ag-Rh alloy nanoparticles have a similar property to Pd– October 30th, 2014

Iranians Present Model to Predict Photocatalytic Process in Removal of Pollutants October 30th, 2014

Production of Biocompatible Polymers in Iran October 30th, 2014

Amorphous Coordination Polymer Particles as alternative to classical nanoplatforms for nanomedicine October 30th, 2014

Environment

Microrockets fueled by water neutralize chemical and biological warfare agents October 29th, 2014

Nanoparticles Display Ability to Improve Efficiency of Filters October 28th, 2014

Iranian, Malaysian Scientists Study Nanophotocatalysts for Water Purification October 23rd, 2014

Imaging electric charge propagating along microbial nanowires October 20th, 2014

Safety-Nanoparticles/Risk management

Nanosafety research – there’s room for improvement October 29th, 2014

Plastic nanoparticles also harm freshwater organisms October 18th, 2014

Human health, wealth require expanded marine science, experts say: In Rome, European experts publish a 'common vision' of priorities for marine research and action through 2020 October 9th, 2014

Coating Nanotubes with Aluminum Oxide Lowers Risk of Lung Injury October 6th, 2014

NanoNews-Digest
The latest news from around the world, FREE





  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More














ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2014 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE