Using superconducting probes to get a picture of what it's like inside CNTs

Nanotechnology / Nanophysics

created Nov 20, 2009 | popularity 4.4 / 5 (9) | comments 0

(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...


Nanoparticles may cause DNA damage across a cellular barrier

Nanoparticles may cause DNA damage across a cellular barrier

Nanotechnology / Bio & Medicine

created Nov 05, 2009 | popularity 4.3 / 5 (9) | comments 1

(PhysOrg.com) -- Scientists have shown in the laboratory that metal nanoparticles damaged the DNA in cells on the other side of a cellular barrier. The research, by the University of Bristol, is published ...


New transparent insulating film could enable energy-efficient displays

New transparent insulating film could enable energy-efficient displays

Nanotechnology / Nanomaterials

created Nov 09, 2009 | popularity 4.9 / 5 (8) | comments 0

Johns Hopkins materials scientists have found a new use for a chemical compound that has traditionally been viewed as an electrical conductor, a substance that allows electricity to flow through it. By orienting ...


Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 5 / 5 (7) | comments 0

In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology has combined DNA's talent ...


Gold Nanoparticles Delivery Platinum Warheads to Tumors

Nanotechnology / Bio & Medicine

created Oct 29, 2009 | popularity 4.9 / 5 (7) | comments 2

(PhysOrg.com) -- Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but serious side effects ultimately limit the drug's use and effectiveness. Now, however, researchers have ...


Nanoparticles Detect and Purge Metastases in Lymph Nodes

Nanotechnology / Bio & Medicine

created Oct 30, 2009 | popularity 5 / 5 (6) | comments 0

Colonoscopy represents one of the great weapons against cancer. In one step, a physician can find precancerous lesions in the colon and then cut them out, an on-the-spot intervention that prevents cancer from developing. ...


Nanoparticles for gene therapy improve

Nanoparticles for gene therapy improve

Nanotechnology / Bio & Medicine

created Nov 06, 2009 | popularity 5 / 5 (5) | comments 3

(PhysOrg.com) -- About five years ago, Professor Janet Sawicki at the Lankenau Institute in Pennsylvania read an article about nanoparticles developed by MIT's Robert Langer for gene therapy, the insertion ...


An exquisite container

Smart drug delivery system -- Gold nanocage covered with polymer (w/ Video)

Nanotechnology / Nanophysics

created Nov 01, 2009 | popularity 5 / 5 (5) | comments 0

In campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended. The poison ring is usually a confection of gold filigree holding a cabochon or ...


Researchers turn algae into high-temperature hydrogen source

Researchers turn algae into high-temperature hydrogen source

Nanotechnology / Nanophysics

created Nov 12, 2009 | popularity 3.6 / 5 (7) | comments 5

In the quest to make hydrogen as a clean alternative fuel source, researchers have been stymied about how to create usable hydrogen that is clean and sustainable without relying on an intensive, high-energy ...


Peptides control crystal growth with 'switches, throttles and brakes'

Peptides control crystal growth with 'switches, throttles and brakes'

Nanotechnology / Bio & Medicine

created Nov 23, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research ...


Nanotechnology: A risky frontier?

Nanotechnology / Nanomaterials

created Nov 05, 2009 | popularity 4.8 / 5 (5) | comments 0

Inside a cramped back room at Rushford Hypersonic, a start-up headquartered in southeastern Minnesota, sits a cube-like machine that throws a mean atomic fastball. At the push of a button, the reactor hurls atoms toward a ...


Two-In-One Punch Knocks Out Drug Resistant Cancer Cells

Nanotechnology / Bio & Medicine

created Nov 04, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- Cancer cells, like bacteria, can develop resistance to drug therapy, leading to relapse of disease. One approach showing promise in overcoming multidrug resistance in tumors is to combine two different anticancer ...


Water droplets direct self-assembly process in thin-film materials

Nanotechnology / Nanomaterials

created Nov 23, 2009 | popularity 5 / 5 (4) | comments 2

You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...


Findings show nanomedicine promising for treating spinal cord injuries

Findings show nanomedicine promising for treating spinal cord injuries

Nanotechnology / Bio & Medicine

created Nov 08, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Researchers at Purdue University have discovered a new approach for repairing damaged nerve fibers in spinal cord injuries using nano-spheres that could be injected into the blood shortly ...


New nano color sorters from Molecular Foundry

New nano color sorters from Molecular Foundry

Nanotechnology / Nanophysics

created Nov 12, 2009 | popularity 4.3 / 5 (4) | comments 0

Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light ...