Nanotechnology Now







Heifer International

Wikipedia Affiliate Button


DHgate

Home > News > The Materialist

October 16th, 2008

The Materialist

Abstract:
Earlier this year, Francesco Stellacci announced that his group had developed a material that can suck 20 times its weight in oil out of a sample of water. The material could be used to clean up massive crude spills, and chemist Joerg Lahann of the University of Michigan called the work a blueprint for scientists who hope to design nanomaterials that protect the environment. Yet Stellacci doesn't consider this his best work. He's excited about tricking cells.

Stellacci's first major step came in 2003, when he created a peculiar coating for metallic nanoparticles. He had been wondering what would happen if hydrophilic, or water-loving, molecules, and their opposites, hydrophobes, were stuck together on the surface of a nanosize sphere. So he ran an experiment and found that the molecules self-organized into alternating stripes, like lines of latitude on a globe. A belt of tiny, spherical hydrophilic molecules sat atop a band of hydrophobes, and so on from top to bottom.

These stripes are not only aesthetically attractive, they gave his particles new properties. Typically, when materials try to enter a cell, they either get swallowed up and spat out, or they damage it by poking a hole in its membrane. But Stellacci's striped nanoparticles slipped right in. "The cell has a security system," he says, "and somehow my particles trick it."

Source:
popsci.com

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

Materials/Metamaterials

The taming of magnetic vortices: Unified theory for skyrmion-materials March 3rd, 2015

Breakthrough in OLED technology March 2nd, 2015

Moving molecule writes letters: Caging of molecules allows investigation of equilibrium thermodynamics February 27th, 2015

Graphene shows potential as novel anti-cancer therapeutic strategy: University of Manchester scientists have used graphene to target and neutralise cancer stem cells while not harming other cells February 26th, 2015

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Strength in numbers: Researchers develop the first-ever quantum device that detects and corrects its own errors March 4th, 2015

Energy-generating cloth could replace batteries in wearable devices March 4th, 2015

Experiment and theory unite at last in debate over microbial nanowires: New model and experiments settle debate over metallic-like conductivity of microbial nanowires in bacterium March 4th, 2015

Magnetic vortices in nanodisks reveal information: Researchers from Dresden and Jülich use microwaves to read out information from smallest storage devices March 4th, 2015

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 1999-2015 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE