Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > News > Nanotubes suppress immune response of human lung cells.

March 6th, 2009

Nanotubes suppress immune response of human lung cells.

Abstract:
Extremely small carbon nanotubes can move through lung fluid and suppress normal immune responses in human lung cells, finds this laboratory study.

A nanomaterial prized for its potential use in electronics moved through human lung fluid and altered the way lung cells reacted to infections, possibly reducing their ability to signal immune defenders and fight off the invaders.

The results add more concern about the safety of the very tiny particles called single-walled carbon nanotubes (SWCNT). Workers who make the materials -- and consumers who use them -- may be at risk if the nanomaterials are inhaled.

If breathed in, the materials may make the immune system less responsive to infections, suggest the authors. This could lead to more and longer respiratory diseases in those exposed to the fibrous particles.

SWCNT and other nanomaterials are very small particles, in the neighborhood of one billionth of a meter. Their small size gives them properties not found in their larger counterparts. SWCNTs are being investigated for use in electronics, transparent conducting films and building materials such as ultra-tough fibers.

While the new materials are expected to provide many benefits, the full impact on society should take into consideration negative consequences of material production and release into the environment. Slight modifications of the surface chemistry are known to alter the properties of the materials and may offer a way to modify their toxic interactions with living systems.

Source:
environmentalhealthnews.org

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Bringing the atomic world into full color: Researchers turn atomic force microscope measurements into color images October 19th, 2017

'Find the Lady' in the quantum world: International team of researchers presents method for quantum-mechanical swapping of positions October 18th, 2017

Long nanotubes make strong fibers: Rice University researchers advance characterization, purification of nanotube wires and films October 17th, 2017

Spinning strands hint at folding dynamics: Rice University lab uses magnetic beads to model microscopic proteins, polymers October 17th, 2017

Nanotubes/Buckyballs/Fullerenes/Nanorods

Long nanotubes make strong fibers: Rice University researchers advance characterization, purification of nanotube wires and films October 17th, 2017

How to draw electricity from the bloodstream: A one-dimensional fluidic nanogenerator with a high power-conversion efficiency September 11th, 2017

Silk could improve sensitivity, flexibility of wearable body sensors August 20th, 2017

Regulation of two-dimensional nanomaterials: New driving force for lithium-ion batteries July 26th, 2017

Discoveries

Bringing the atomic world into full color: Researchers turn atomic force microscope measurements into color images October 19th, 2017

'Find the Lady' in the quantum world: International team of researchers presents method for quantum-mechanical swapping of positions October 18th, 2017

Long nanotubes make strong fibers: Rice University researchers advance characterization, purification of nanotube wires and films October 17th, 2017

Spinning strands hint at folding dynamics: Rice University lab uses magnetic beads to model microscopic proteins, polymers October 17th, 2017

Announcements

Bringing the atomic world into full color: Researchers turn atomic force microscope measurements into color images October 19th, 2017

Long nanotubes make strong fibers: Rice University researchers advance characterization, purification of nanotube wires and films October 17th, 2017

Spinning strands hint at folding dynamics: Rice University lab uses magnetic beads to model microscopic proteins, polymers October 17th, 2017

Rice U. study: Vibrating nanoparticles interact: Placing nanodisks in groups can change their vibrational frequencies October 16th, 2017

Safety-Nanoparticles/Risk management

Do titanium dioxide particles from orthopedic implants disrupt bone repair? September 16th, 2017

Tests show no nanotubes released during utilisation of nanoaugmented materials June 9th, 2017

NanoMONITOR shares its latest developments concerning the NanoMONITOR Software and the Monitoring stations April 21st, 2017

NIST updates 'sweet' 1950s separation method to clean nanoparticles from organisms January 27th, 2017

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