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nanostructures in Medical News

Smart insulin nanostructures pass feasibility test, UT study reports

HOUSTON -- (Sept. 18, 2007) -- Biomedical engineers at The University of Texas School of Health Information Sciences at Houston have announced pre-clinical test results in the September issue of the International Journal of Nanomedicine demonstrating the feasibility of a smart particle insulin rel...

Making nanoparticles in artificial cells

... or 50 nanometres in size. Because the membrane bubbles have the same size as living cells, the scientists' work also provides an indication as to how nanostructures could arise in nature. ( Small , published online: June 8, 2009/DOI: 10.1002/smll.200900560) Cells and microorganisms are absolute masters when it ...

World-renowned nanotechnology expert proves there is big potential in the smallest of matter

...ng very low concentrations of the protein associated with the disease, allowing for early intervention and potential treatment. Mirkin's work with nanostructures made of gold has since led to new ventures and the founding of Aurasense, a company focused on developing a novel class of nanotherapeutics that are n...

DFG establishes nine new collaborative research centers

...technology, the link between the macroscopic world and nanotechnology. To accomplish this, researchers want to create reliably and easily reproducible nanostructures in an application-oriented manner, thereby establishing innovative, functional mesoscopic systems. By cleverly combining macromolecular materials with...

Gold Nanospheres Show Promise in 'Boiling' Out Cancer

...ause gold generally causes fewer negative reactions than other metals that come in contact with the human body, Zhang said. "Previously developed nanostructures such as nanorods were like chopsticks on the nanoscale," Zhang said. "They can go through the cell membrane but only at certain angles. Our spheres al...

Hollow gold nanospheres show promise for biomedical and other applications

.... D. Anderson Cancer Center, who have used the new nanostructures to target tumors for photothermal cancer therapy. ...nospheres. Zhang has studied a wide range of metal nanostructures to optimize their properties for surface-enhanced ...frared." Zhang's group has been exploring other nanostructures that can be synthesized using the same techniques....

Targeted nanospheres find, penetrate, then fuel burning of melanoma

...same nanospheres that gathered less directly in the tumors. Lab and mouse model experiments demonstrated the first in vivo active targeting of gold nanostructures to tumors in conjunction with photothermal ablation - a minimally invasive treatment that uses heat generated through absorption of light to destroy t...

UC San Diego engineers develop novel method for accelerated bone growth

...n body can sometimes have undesirable side effects. "What we have accomplished here is a way to introduce desirable guided differentiation using only nanostructures instead of resorting to chemicals," said Seunghan (Brian) Oh, who is the lead author of the PNAS article. The next step for engineers will be to wor...

Nanostructures improve bone response to titanium implants

...sponse to dental implants modified with such small structures as soon as 4 weeks after implant placement. Modifying the size and distribution of the nanostructures at the implant surface may not only represent a faster and more reliable treatment for patients, but also may help in understanding the sequence of ev...

From the (very) small to the 'big picture'

... allow scientists to study nanomaterials' properties with high resolution capabilities. This is particularly important for the further development of nanostructures in biological and materials research. "Traditional imaging techniques can intrinsically be limited in providing molecule-specific information, or i...
nanostructures in Biological News

Carbon nanostructures form the future of electronics and optoelectronics

This year's Julius Springer Prize for Applied Physics will be awarded to Phaedon Avouris and Tony Heinz for their pioneering work on the electrical and optical properties of nanoscale carbon materials including carbon nanotubes − from basic science to exciting applications. The award, accomp...

New designer lipid-like peptide with lipid nanostructures for drug delivery systems

Scientists from Institute of Biophysics and Nanosystems Research (IBN), Austrian Academy of Sciences and of Centre for Biomedical Engineering, Massachusetts Institute of Technology, Cambridge, USA report the study of “Tuning Curvature and Stability of Monoolein Bilayers by Designer Lipid-Like Pept...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...w technique that targets memory bandwidth. NanoCoral Dendritic Platinum nanostructures - An innovative nanotechnology for producing platinum catalysts that offers...rosity, composition, stability, and other functional properties of platinum nanostructures compared with those achieved by existing methods. Sandia's Hyperspectr...

Nanocrystals reveal activity within cells

...d Bruce Cohen, a staff scientist in the Biological nanostructures Facility at Berkeley Lab's nanoscience research ce...ang Han, led by Cohen, Imaging and Manipulation of nanostructures staff scientist Jim Schuck and Inorganic nanostructures Facility Director Delia Milliron, worked to develo...

The first DFG research centers to be funded for another four years

... Biosphere" and "Sediment Dynamics". In the opinion of the peer review panels and the DFG, the work performed by the Research Center for Functional nanostructures in Karlsruhe "played a defining role in the field of nanoscience and earned the Center a visible position in an area that is heavily observed and rese...

6 young ASU faculty earn NSF Career awards

...erials one nanowire at a time Henry Sodano's work revolves around a discovery made in his laboratory that led to development of a process that uses nanostructures to increase the strength of fiber-reinforced composite materials. Fiber reinforced composites provide higher strength per weight than other structur...

Bird feathers produce color through structure similar to beer foam

...ew Haven, Conn. Some of the brightest colors in nature are created by tiny nanostructures with a structure similar to beer foam or a sponge, according to Yale Univer...taken a step toward uncovering how these structures form. They compared the nanostructures to examples of materials undergoing phase separation, in which mixtures of ...

MIT student develops new innovations to selectively kill cancer cells

...herapy; sensors for detecting tumor protease hot-spots in MRI; a method for remotely-controlling drug release from nanoparticles; and a variety of new nanostructures for improved drug delivery and imaging. Collegiate Student Prize Expansion On March 4th, the winners of the third annual $30,000 Lemelson-Il...

Case Western Reserve researchers develop 'wireless' activation of brain circuits

...for the sense of smell and in the hippocampus, a critical brain area for both memory and epilepsy. Burda's laboratory uses chemically synthesized nanostructures to study renewable energy conversion schemes, including solar cells. He also investigates nanoparticles for targeted drug delivery and therapy. "I...

Tension in the nanoworld

... Scanning Near-field Optical Microscopy (s-SNOM). Part of the team had pioneered this technique over the last decade, enabling chemical recognition of nanostructures and mapping of local conductivity in industrial semiconductor nanodevices. The technique makes use of extreme light concentration at the sharp tip of ...
nanostructures in Biological Technology

New process creates 3-D nanostructures with magnetic materials

Materials scientists at the National Institute of Standards and Technology (NIST) have developed a process to build complex, three-dimensional nanoscale structures of magnetic materials such as nickel or nickel-iron alloys using techniques compatible with standard semiconductor manufacturing. The ...

UC San Diego nanostructures will raise thin-film solar cell efficiency

Thanks to nanostructures that scatter and channel light, University of California, San Diego electrical engineers are working toward thin-film single junction solar cells with the potential for nearly 45 percent sunlight-to-electricity conversion efficiencies. This UC San Diego effort to break the...

Smart insulin nanostructures pass feasibility test, UT study reports

HOUSTON -- (Sept. 18, 2007) -- Biomedical engineers at The University of Texas School of Health Information Sciences at Houston have announced pre-clinical test results in the September issue of the International Journal of Nanomedicine demonstrating the feasibility of a smart particle insulin rel...

Two nanostructures are better than one

Imagine using minuscule structures the size of molecules to harvest sunlight and convert it into electricity. Or employing the same structures to store hydrogen fuel so that it fits into a cars gas tank. Or replacing todays semiconductors with these structures, ushering in the next generation of s...

New security and medical sensor devices made possible by metallic nanostructures

Scientists have designed tiny new sensor structures that could be used in novel security devices to detect poisons and explosives, or in highly sensitive medical sensors, according to research published tomorrow (8 April) in Nano Letters . The new 'nanosensors', which are based on a fundament...

In 'novel playground,' metals are formed into porous nanostructures

For 5,000 years or so, the only way to shape metal has been to "heat and beat." Even in modern nanotechnology, working with metals involves carving with electron beams or etching with acid. Now, Cornell researchers have developed a method to self-assemble metals into complex nanostructures. App...

Charging ahead: University of Houston team revealing secrets of electricity-producing materials

...eering, is working with Sharma to embed classes of nanostructures in polymers to create unusual types of piezoelectr...done, White says, the fabrication of piezoelectric nanostructures remains challenging. The amount of power that can ...nd could be made into electricity by piezoelectric nanostructures in shoes or in backpacks. White says it's a mat...

New statistical technique improves precision of nanotechnology data

...ta could lead to more precise and reliable measurement of nanomaterials and nanostructures likely to have future industrial applications. Known as sequential profi...lopment of future high-volume industrial applications for nanomaterials and nanostructures because manufacturers will require consistency in their products. "Our s...

Unexpectedly long-range effects in advanced magnetic devices

...) and the Institute of Solid State Physics in Russia to an unexpected findingthe surprisingly strong and long-range effects of certain electromagnetic nanostructures used in data storage. Their recently reported findings* may add new scientific challenges to the design and manufacture of future ultra-high density d...

Scientists create metal that pumps liquid uphill

... liquid against gravity, says Guo. Likewise, Guo's nanostructures change the way molecules of a liquid interact with...ng on Guo's settings. At a certain size, the metal nanostructures adhere more readily to the liquid's molecules than...am used the femtosecond laser to create metal with nanostructures that reflected almost no light at all, and in 2008...
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