Tag: "devices" at biology news
A Drug Pump On A Computer Chip
...ation research has led to the development of micro devices
which have feature sizes down to a micrometer or l...c pressure sensors are replacing conventional $600 devices
that, while reusable, cost another $50 to sterilize and tune up before each use. About 20 mill...
Biosensor Is A Model For Widespread Testing Of Chemicals, Molecules
...management of diabetes.The secret in creating such devices
lies in finding a way to have the protein"signal" that it has recognized the molecule of interest. Butengineers have had to rely on happenstance to find naturally occurring proteinsthat combine recognition of the desired molecule with just the right ...
Hopkins Engineering Undergrads' Inventions: Power Tools For Double Amputee, Military Surveillance Robot
...ar's Engineering DesignProjectcourse. The finished devices
were judged in May byrepresentatives of the American Society of Mechanical Engineers ,concluding a process that began last September when the three-member student teams were asked to solve real-world engineeringchallenges posed by corporate and inst...
Whitaker Awards $6.8 Million For Biomedical Engineering Education
...hopedic biomechanics, medical imaging, implantable devices
and xenogenic tissue engineering. The Syracuse grant will be used to begin building a graduate program in bioengineering by hiring two new faculty members, integrating the resources of SUNY Health Sciences Center, and providing student support...
PEBBLEs Help U-M Scientists Open A Window On Cell Chemistry
...am currently developing and testing the biosensing devices
in a research project funded by the U.S. Defense Advanced Research Projects Agency (DARPA). Clark will present results from her research this week in a presentation at PITTCON '98, the Pittsburgh Conference on Analytical Chemistry and Appl...
Tinkertoy Robot Shows How Humans Walk
... doctoral defense. "In fact, it is one of the few devices
of any kind that is dynamically stable near a statically unstable configuration and doesn't have fast spinning parts," says Ruina. "Playing, with no hopes of success, we placed the toy on a ramp. Surprisingly, it took a few serendipitous, if not ver...
U-M Engineers Win Army Grant To Build Artificial Eye
... duplicate it," he said. "But theseoptoelectronic devices
will eventually be able to simulate the most vitalfunctions." While Michigan engineers have already done much of the electronics groundworkfor the project, Bhattacharya said there are still several technical problems tosolve. These include making va...
Research Into Cockroach Behavior Could Lead To Better Baits
... traveledbefore. "The pheromones are communication devices
between cockroaches," Miller said. "If you have an infestation and have a lot of fecal material around, it advertises, 'Hey, this is a good cockroach place.'" The housekeeping ramifications have yet to be investigated, she said. She is not sure wheth...
New Machine Slashes Time, Cost To Make Unique Lenses
... affordable, and every engineer whodesigns optical devices
wants to use them." Aspheres are well suited for a wide range of consumer goods,including compact disk players, photocopiers, and projectiontelevisions; top-rated cameras and video camcorders now rely onthree or four aspheres to achieve lightwei...
The Distinctive Sound Of Cholesterol
...s in the arteries -- by using expensive diagnostic devices
or by listening to the sounds made by the blood. When the heart pumps blood, velocity is high (systolic cycle) and the flow is turbulent even with no stenosis. If the artery is clean, there is no turbulence when the heart does not pump (diastolic cy...
Protecting the Beat Of Life: Test Center Studies Interaction Between Pacemakers & Electronic Article Surveillance Systems
...akers, implantabledefibrillators and other medical devices
that have already improved lifefor more than a mil... energy source and themanufacturers of the medical devices
are cooperating to set up and use atest center that benefits both groups." Support to set up the te...
FDA Approves Hopkins-Designed Implants To Restore Lost Voices
...y's tissue overtime. Available in five sizes, the devices
add volume to a weakened vocal cord,pushing it to ...esignedinstruments, they insert "sizers," or dummy devices
of varying sizes and ask thepatients to speak. When the patient recognizes his or her "correct" voi...
Horses Prefer Bridles That Have A Bit Missing
...le bitless bridles are not new, says Cook, current devices
flex thejoint where the horse's head and neck meet-the "poll"-and often restrict theanimal's breathing and movement in the same way as a bridle with a bit. Kerstin Alford, welfare officer with the British Horse Society, hasgiven Buck's invent...
'Molecular' Computers? Munich/UD Researchers Report First Glimpse Of Artificial Molecule In Action
...en you put millionsand, someday, billions of these devices
together," he says, "the heat loadbecomes enormous. A computer will cook itself, or at least slow down andmalfunction." Unfortunately, Blick says, no one has been able to investigate the behavior ofartificial molecules in motion-until now. Looking...
NIST Machine To Aid In Making Better Artificial Joints
...ry to searchfor better materials. Innovative devices
have been needed desperately to speed up the screeningof new materials for orthopedic implants; it takes about six months forconventional equipment to simulate the natural wear of artificial hips. Such a long testing period results in higher resea...
New Device To Alleviate Distress Caused By Tinnitus
...echnique, called masking, is already used in other devices
thatgive tinnitus sufferers short-term relief. Di ...st the mainringing or roar. Other masking devices
fit into the ear canal and often use white noiseto blank out sounds. Because they fit inside the ear...
Scientists Show How Defects Can Improve Technology In Science Magazine's Special Issue On Materials Science
...aterials can actually improve their performance in devices
used for everythingfrom information technology to ...ed information and communications technology.These devices
are actually created by introducing impurities into specificregions of a semiconducting material, al...
Duke Study Helps Explain How Cells Divvy Up Genes During Reproduction
...y of motors calledkinesins. These highly efficient devices
are responsible for shuttling cargoalong a highway system made of microscopic tubes called microtubules inside thecell. Kinesin motors do everything from delivering chemical messages to helpingcells divide. But Endow's motor, Ncd, was odd. I...
Sturgeon, Trout And Telemetry--USGS Research Mixes Science And Technology At American Fisheries Society Annual Meeting
...od, researchers using radio and acoustic telemetry devices
monitored the migration and behavior of the eels near a hydroelectric dam. Most eels moved through the dam area at night at a variety of depths, and some were delayed for several days before passing the dam. The results of the study will be critica...
Artificial Heart Chamber And Artificial Blood Vessels Aid Cardiovascular
...world's largest scientific society. Theartificial devices
are made of a polymer material called polyurethaneurea[polyYURehTHANEyurE-ah]. The blood sacs could also augment the functions of total artificial hearts,which continue to be studied at research centers here and abroad, said Dr. Runt. His research t...
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