Tag: "devices" at biology news

Pumping with tiny bubbles

...earchers are racing to develop miniature high-tech devices each smallerthan a postage stamp to treat medical ... systems. Engineers in this field arecreating tiny devices on silicon chips, capable of detecting and analyzing smallsamples of fluid, then directing that some...

Computing device to serve as basis for biological computer

...entation could give rise to a family of computing devices with broadbiological and pharmaceutical applications....

The lie of the tiger

...he computer models might be replicated for robotic devices thatcould mimic motion perception similar to that of a human for various purposes --a robotic device as vulnerable as a human would be to a stalking tiger. The research was funded by the U.S. Air Force Office of Scientific Research....

Lab on a chip? Cheap, disposable UD biosensor uses gold-on-plastic design

...e/total internal reflection (SPR/TIRF), as well as devices usingpiezoelectric oscillators. When targeted mole...scillations by transducers." But, Velev says, such devices are "prone to errors" because many molecules mayunspecifically adsorb on their surface. Their sensin...

CWRU physicists invent "supershielding" for MRI devices

...bly suppress the magnetic fields outside high-tech devices such asmagnetic resonance imaging (MRI) machines. Previously, the suppression has been carried out by positioning an iron barrier or a set of secondary coils outside the maincoil that produces the original unshielded field. In each case, the field is...

New electrical transformers will improve power quality

...causes voltages to fluctuate, affecting electrical devices such as light bulbs, which flicker and burn out fa... the amount of current actually required to supply devices such as electric machinery, cutting down on losses associated with the transmission of electricity t...

Biology, engineering jointly train students in neuro-mechanics

...y to maneuver over a diverse terrain, and creating devices to restore coordinated and balanced movements to i...ds Crago, whose research group develops electrical devices implanted in the body to restore movement to arms and legs lost through spinal cord injuries. The f...

Computers have had dramatic impact on chemistry

... complex toprogram such robots. We've gone back to devices that move from point x to pointy, and up and down, like the automated pipettes." * Speech input is coming back around for the second or third time, he says. * "People said data format problems would disappear, but we are still havingproblems with com...

Materials World tip sheet

...ques, allowing the researchteam to manufacture new devices at a fraction of the cost and more complex thanever before. p.538 Bashing buildings to check for earthquake damage A new technique that examines materials for cracks and weaknesses could helprescuers assess buildings for earthquake damage and help ...

NRC discovery allows scientists to watch the ultrafast processes of the microworld

...e effortin the development of increasingly smaller devices for information andtelecommunications technology. "Such devices will soon be so small that theybegin to approach the size of molecules. As such, the molecular way o...

Heart transplant surgeon at Cedars-Sinai specializes in implanting mechanisms that allow a defective heart to rest while awaiting a transplant

...of a kind in theimplantation of ventricular assist devices - the mechanisms that provide a"bridge to transpla...eart failure surgery rightnow." Ventricular assist devices currently consist of two parts: an implanted pump andan external console connected by wires to power...

Future uses of MicroElectricalMechanical (MEM) systems to be featured at Santa Clara show

...ther revolution in whichsmall, reliable, low-power devices will be able to sense, think, act andcommunicate....stors with features as small as avirus, and permit devices to think and act upon what they detect. Photonics incorporates light into microdevices by relying o...

New machine may provide answers about leading cause of blindness

...attributes to the fact that there are currently no devices in widespreaduse for research or clinical use. Because the relationship between measures of dietary intake and retinalconcentrations of the pigment is weak, using diet and blood values to predict the density in the eye is not optimal. ...

Sandia portable chemical sensor system promises new way of detecting underwater explosives

...land. The researchers prepared simulated explosive devices using oildrums doped with trace amounts of explosives, submerged them and sent divers into collect water neat the test area. They were able to detect concentrations ofthe explosives at distances of more than 40 feet from the source. These initialtest...

Changing children's diets today could reduce bone problems 70 years from now

...ation of health education, sophisticated measuring devices andstructured rewards for the participating children, the goal is to improve eatinghabits, one meal at a time. Children who regularly drink milk and eat other foods high in calcium may lowertheir risks in later life of suffering osteoporosis, the red...

Gene mutation tied to deafness found in African-Americans and Caucasians

...s alsoa center for cochlear implant surgery. These devices help restore auditoryinput. But some youngsters do not benefit from them as much as others. So far noone has ever systematically looked at whether or not the underlying cause ofdeafness influences the efficacy of cochlear implant. "We'd like ...

NRC spin-off develops rapid sensors

...f to be used in miniaturized, portable, biosensing devices that can be used in defence theaters for real time CBW agent detection and identification allowing for prompt and appropriate countermeasures to be taken," added Dr. Lafrance, Vice-President and Chief Technology Officer. IatroQuest was founded in Jan...

Scientists discover how to make nanostructures assemble themselves

...from computer memory chips and video components to devices for sorting DNA molecules. Professor of electric...icate your wires first, then it will assemble your devices between the wires on its own," says Chou. One example is the construction of DRAM memory chips for c...

Carilion, Virginia Tech, U.Va. create biomedical institute -- Virginia Tech forms optical sciences and engineering research center

...antable sensors and creating nanoscale ormolecular devices that will release medicines only at specifc locati... who was senior research associate for bio-medical devices and systems with BF Goodrich, joined the university in July to work onthe OSER center. Project area...

Parsons preaches magnets

...s pioneering work on anti-scale magnetic treatment devices at the International Workshop on Chemical, Physical and Biological Processes under Magnetic Fields later this week. The conference is a highly prestigious event with backing from the Japanese Science and Technology Corporation, the National Research ...

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