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wire in Biological News

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...projector, which creates a 2:1 image twice as wide as it is high, will be marketed to planetariums, simulations, and training companies that currently wire multiple projectors together to display large images. Presentation PThA2; Thursday, June 4, 11 11:30 a.m. PICOSECOND OSCILLOSCOPE An osci...

American Chemical Society's weekly PressPac -- April 29, 2009

...raises health and safety concerns Chemical & Engineering News Homeowners throughout the nation are complaining of stinky odors, copper pipe and wire corrosion, and respiratory problems in an ongoing crisis that officials say is linked to drywall imported from China. An article on this topic is sche...

Orientation of antenna protein in photosynthetic bacteria described

...ich live in extremely dim environments with scarce visible light, the membrane-attached Fenna-Matthews-Olson (FMO) antenna protein serves as a sort of wire connecting the large peripheral chlorosome antenna complex with the organism's reaction center. These bacteria are related to extreme heat-loving bact...

MIT: Novel needle could cut medical complications

...th the walls of the tube, the filament locks into place "and the needle and wire advance as a single unit," said Jeffrey Karp, an affiliate faculty member o...in the Proceedings of the National Academy of Sciences . The needle and wire proceed through the firm tissue. But once they reach the target cavity (for...

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

...re are many different things you'd want to stimulate neurons for-injury, severed or damaged nerve to restore function- and right now you have to put a wire in there, and then connect that to some control system. It is both very invasive and a difficult thing to do," says Strowbridge. IIn principle, th...

Plugging in molecular wires

...omponent protrudes from the protein complex; and 3) at the other end of the wire is an additional "plug" (viologen group) that anchors the ensemble to a spe...ectrode. Electrons released by irradiation of PSI and transmitted along the wire are very efficiently transmitted to the gold electrode by the viologen grou...

Global Energy Systems to Acquire WoodTech, LLC, and Affiliated Entities

...f future results. The company is not responsible for updating the information contained in this press release or for changes made to this document by wire services or internet services. Global Energy Contact Jeannine Ball (404) 814-2506 jball@gnhgroup.com ...

Nanotube's 'tapestry' controls its growth

...e nanometer, or one-billionth of a meter, in diameter. In molecular diagrams, they look like rolled-up sheets of chicken wire. And just like a roll of wire or gift-wrapping paper, nanotubes can be rolled at an odd angle with excess hanging off the end. Though nanotubes are much-studied, their growth is...

Nano-tetherball biosensor precisely detects glucose

...y cube-shaped tetherball. Each tetherball is a sensor and is anchored to electronic circuitry by a nanotube, which acts as both a tether and ultrathin wire to conduct electrical signals, said Timothy Fisher, a Purdue University professor of mechanical engineering. The technology, which detects glucose ...

Motor nerve targeting to limb muscles is controlled by ephrin proteins

...elatively simple nerve connection, the team of scientists has discovered a molecular strategy that is very likely widely used in the nervous system to wire much more complex neural circuits, such as those required for learning, memory and coordinated movement. Miswiring of the nervous system is thought...

Lead-flapping objects experience less wind resistance than their trailing counterparts

...g explained. In the study, the researchers sought to simulate flags flying under windy conditions by inserting flexible filaments ("the flag") to a wire ("the flagpole"). To model wind, they placed the model flag into a flowing soap film. Because the filaments are flexible and massive, they spontaneous...

Following the leader can be a drag, according to student's research on flapping flags

... constantly refreshed with a flow of water from the top. Into the membrane, he inserted pieces of thin rubber (the flags) -- attached to perpendicular wire "flagpoles." To measure the forces on the flags as water flowed past them, Ristroph attached small mirrors -- actually microscope cover slips -- to...

UCSF Fresno leading-edge study lends hope to emphysema patients

...s. These new pathways are created using a special needle through a bronchoscope. After each new passage is made, a small drug-eluting stent (a wire mesh similar to what is used to keep coronary arteries open in heart disease) is implanted and provides support to keep the passageway open. Dr. Pete...

Radioactivity: Discover the lowest amounts with new methods

...es which mainly accumulate on the aerosol particles, shall be measured analogously by measuring the radon progenies after their separation by means of wire meshes (free fraction) or filters (fraction attached on aerosol partiles) in a follow-up product measuring set-up. By simultaneous spectrometry of the...

Slicing solar power costs

...new method for slicing solar cell wafers known as wire electrical discharge machining (WEDM) wastes less...king. The method uses an extremely thin molybdenum wire with an electrical current running through it. It ...More Wafers In the new method, the molybdenum wire essentially is an electrode, and it is connected t...

A second career for a growth factor receptor: keeping nerve axons on target

... LA JOLLA, CA Neurons constituting the optic nerve wire up to the brain in a highly dynamic way. Cell bodies in the developing retina sprout processes, called axons, which extend toward visual centers in th...

Slipping through cell walls, nanotubes deliver high-potency punch to cancer tumors in mice

...ing the trunks into the linked hexagonal rings that make up the nanotubes created a visual effect that Dai described as looking like rolled-up chicken wire with feathers sticking out all over. The homespun sounding appearance notwithstanding, the nanotubes proved to be highly effective delivery vehicles w...

Story tips from the Department of Energy's Oak Ridge National Laboratory, June 2008

...second generation high-temperature superconducting wire measuring 935 meters developed through the combine...nt limiters, transformers, coils, and motors. This wire could provide power utilities in the future with t... smaller, and more efficient power equipment. The wire could also increase the amount of electricity tran...

Nanoparticles assemble by millions to encase oil drops

...ultifunctional nanostructures. The tendency of these nanobatons to assemble in water-oil mixtures derives from basic chemistry. The gold end of the wire is water-loving, or hydrophilic, while the carbon end is water-averse, or hydrophobic. The thin, water-tight sacs that surround all living cells are f...

How to make microwaves on a chip to replace X-rays for medical imaging and security

...d into breakers. To create this effect on a chip, the researchers propose a lattice of squares made up of inductors the equivalent of tiny coils of wire with each intersection grounded through a capacitor. An electrical wave moves across the lattice by alternately filling each inductor then dischargin...

Hatchery fish outnumber wild chinook salmon in troubled fall run

...arries an identifier of its origin as a natural tag in the earbone, which has significant advantages over techniques for tagging fish, she said. Coded wire tags (CWTs), for example, have been used to mark fish for some studies. But only a small fraction of hatchery fish and even fewer wild fish are tagged...

USGS April 2008 science picks

...tribution of bear populations in northwestern Montana. Bears are identified and counted through genetic analysis of hair samples collected from barbed wire hair traps and bear rub trees. To find out more about the project and view the footage, visit http://nrmsc.usgs.gov/news/KendallRemoteCamera.htm or ...

Scientists believe photograph depicts wolverine in California

... verifiable evidence. Scientists will now conduct further detection analysis on the Tahoe National Forest using remote-controlled cameras and barbed wire snares that snag hair. They may also use dogs trained to find wolverine scat. Scientists have found dogs to be three and a half times more successful ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2008

...rs, and that ORNL has a long tradition of supporting the standards development process. Cost savings with wireless systems are substantial, as running wire in plants costs between $160 and $4,000 per foot. The typical payback is about six months for a wireless system vs. 23 months for wired. This research...

Scat sniffing dogs detecting rare California carnivores

...hey tend to be elusive, solitary and on the go. Common methods for confirming a species at a site include using remotely-triggered cameras and barbed wire snares that snag hair. Both methods require the use of bait that can lure animals away from their typical range. Scientists involved in the Vermon...

Microbial fuel cells turn on the juice

...e anode electrode, it splits into protons and electrons, with protons going across the membrane to the cathode chamber, and electrons passing over the wire between electrodes to create a current. Oxygen is added to the cathode chamber, and on the electrode there is a reaction of electron plus proton plus...

Nanotechnology and the media: The inside story

...notechnologyfrom government oversight to nano-cosmetics. Professor Friedman will present her latest results from tracking seven years of newspaper and wire service reporting of nanotechnology risks in the United States and United Kingdom, research she does in collaboration with Brenda P. Egolf of Lehigh U...

Sweet fuel supply

... and release hydrogen ions, the dissolved hydrogen ions then attract electrons from the platinum electrode, which causes a current to flow through the wire connecting the electrodes. ...

Using nanotubes to detect and repair cracks in aircraft wings, other structures

...mall amount of electricity through the carbon nanotubes, the research team was able to measure the electrical resistance between any two points on the wire grid. They then created a tiny crack in the structure, and measured the electrical resistance between the two nearest grid points. Because the electri...

Elephantnose fish 'see' with their chin

...he pyramid through the pitch black darkness. Even when the researchers used wire models instead of solid objects, the fish could not be fooled. They were ev...'For example, we removed the vertical edges of a cube, i.e. we embedded two wire squares on top of each other in a gel that was permeable for electrical fie...

Revealing the machinery underlying the 'plastic' juvenile brain

... Among the central mysteries of neurobiology is what properties of the young brain enable it to so adeptly wire itself to adapt to experience—a quality known as plasticity. The extraordinary plasticity of the young brain occurs only during a narrow window of tim...

T-ray breakthrough could make detecting disease far easier

...the researchers found that although ordinary metal wire would not guide T-rays very well, if a series of t... much more effectively. If such a corrugated metal wire is then tapered to a point it becomes possible to ...t of Physics, who leads the research. "Metal wire ordinarily has a limited ability to allow T-rays t...

Mapping the protein world

... In the early days of X-ray crystallography obtaining a three-dimensional model of a protein required wire models, screws, bolts and years of tedious calculations by hand. Today macromolecular models are built by computers ?thanks to sophisticated software ...

Carnegie Mellon researchers discover key deficiencies in brains of people with autism

...hronization among activated brain areas in people with autism, as well as smaller size of the corpus callosum, the white matter that acts as cables to wire the parts of the brain together. This latest research shows for the first time that the abnormality in synchronization is related to the abnormality i...

Microbes transform 'safest' PBDEs into more harmful compounds

...ent policy decisions with respect to how, or even if, we should use these compounds," Alvarez-Cohen says. PBDEs are used in televisions, computers, wire insulation, upholstery and many other products containing plastic and foam. If these products overheat, PBDEs release atoms called bromines that sap o...

Surprise finding for stretched DNA

...hat conserves volume under stress. "As this system is stretched, the elastic rod decreases in diameter," said Bustamante. "This enables the outer wire to wrap a larger number of times over the length of the rod." The twist-stretch coupling results demonstrated by Bustamante and his collaborators ...

Corn waste potentially more than ethanol

... that do not need oxygen ?that consume the sugars and other organic material and release electrons. These electrons travel to the anode and flow in a wire to the cathode, producing electrical current. The water in the fuel cell donates positive hydrogen atoms that combine with the electrons and oxygen t...

How plants avoid feeling the burn

... by electrical engineering professor Nongjian Tao of ASU's Fulton School of Engineering. In concept, it's much like trying to measure the current of a wire found in an everyday household appliance, only in this case, the "wiring" is a miniscule 2.8 nanometers long and less than a single nanometer thick, o...

Creating a window on 'oceans in motion'

...?and priority areas for ocean floor acoustic monitoring arrays. "These are key questions: which species do we want to track and exactly where do we wire up the world to create an effective global system of watching the oceans in motion," says Dr. O'Dor. Continental shelves average about 80 km (50 mi...

New University of Toronto research a 'pore' excuse for engineering

...und here could lead to developments in microelectronics or drug delivery systems." Conventionally, computer chip manufacturers have insulated their wire connections with silica glass, preventing them from coming into contact and interfering, with each other. But the PMO film described in this study act...
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