Tag: "mechanical" at biology news
Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...hedisease. But as they age, and presumably acquire mechanical
damage to tinyblood vessels that need to be repaired, the disorder shows up." Marchuk has shown that families whose disease is linked to defects in theendoglin gene have an increased risk of developing lesions in their lungsthat can lead to serious...
Water Recycling Project Tested in Turkey Plant
...supply of water has been used, it passes through a mechanical
pretreatmentand then four ozonation cylinders. Ozone gas is pumped into the cylindersto further clarify the water and kill microorganisms. Ozone kills bacteria3,000 times faster than chlorine. Depending upon the quality of incomingwater, the processo...
Ozone 'Chat Room' Provides Real-Time Air-Quality Research
... spring 1996, Rudolf B. Husar, Ph.D., professor of mechanical
engineering and director of Washington University's Center for Air Pollution Impact, Trends and Analysis (CAPITA), and Bret A. Schichtel, Ph.D., CAPITA research associate, have been key players in the air quality workgroup of the U.S. Environmental P...
NIDR Supports Total Genome Studies Of Major Oral Pathogens
...fective prevention. Treatment involves surgical or mechanical
removal of diseased tissues ("scalingand planing"), coupled with antibiotic therapy. Despite such extensivetreatment, the condition can still recur. Without treatment, LJP can result intooth loss by the age of 20. The pathology of Aa is poorly un...
Premies' Lung Disorder Can Cause Developmental Delays
... BPD because it is caused by prolonged exposure to mechanical
ventilation, which premies need because of underdeveloped lungs. BPD is now the leading cause of lung disease in U.S. infants and the third leading cause of chronic lung disease in children. The study found that by 3 years of age, about 21 percent o...
Technique Gives Researchers New Look At Genetic Activity In Living Cells
... problem that has seriously limited structural and mechanical
researchon chromosomes. Belmont created a roughly...hromosomesegregation. They now suggest an active, mechanical
system for the separation. Such a mechanism had been thought to exist only in eukaryotic organismssu...
When To Reproduce? It's All In The Timing
...rbance. That's important to show. Manycells have a mechanical
response to pushing, bending, something like that, butthis is chemical sensing," Brawley says. "What I expect is that external fertilization is going to be found to bevery successful in these organisms. The caveat is that we always have torem...
Link Made Between Human Growth Hormone, Bone Quality In Mice
...about complex feedback mechanismsbetween genes and mechanical
forces, which control how bones grow and develop. ... femursfrom both groups of mice and bent them in a mechanical
testing device until theybroke. While leg bones from transgenic mice were stronger at 16 weeks of a...
Tinkertoy Robot Shows How Humans Walk
...a few odds and ends, is stable in motion is giving mechanical
engineers here new thoughts about how humans walk. Michael J. Coleman, a lecturer in mechanical
engineering at Cornell, says the little walker, by using gravity on a gentle slope "performs repeata...
Research Sheds Light On How Plants Regulate Distribution Of Nutrients
CHAMPAIGN, Ill. -- In humans, the heart is the mechanical
pump that circulatesthe blood of life. In plants, according to new research, it is sucroseaccumulation that energizes the heart's equivalent -- an osmotically drivenpressure-gradient -- in a vascular system that regulates and directs wherelife-givin...
Circulatory Device -- A Bridge To Recovery For Heart Failure?
...ailure werebrought back to life with the help of a mechanical
circulation device, reportresearchers in today's C...awaiting a transplant can be kept aliveonly with a mechanical
left ventricular assist device (LVAD) which takes overmost of the pumping for the failing heart. The...
DFG To Set Up 14 New Collaborative Research Centres
...tronics and control systems which areembedded in a mechanical
carrier structure. The usefulness of the newly developed methodswill then be demonstrated in a prototype model. The objective - which is also of great interestto industry - is to develop a systematic design process for active microsystems based onmod...
New Biomaterial Has 'Star' Power
...el preparation. Her methods give the gels superior mechanical
stability while maintaining a large number of active groups on the arms, Peppas says. Keys' research is funded by the Showalter Foundation. Sources: Kelley Keys, 765-494-3331, e-mail: email@example.com ...
The Touch Of Phytophthora
...l signals represented by the elicitor, but also mechanical
signals resulting from the contact of the fungal ...placed the penetrating fungus with gentle local mechanical
stimulation of the cells using a tungsten needle of the same diameter as a fungal hypha (2-5 m). ...
Transplanted Skeletal Muscle Mimics Heart Muscle; Helps Failing Heart Pump, Duke
...really hooked up to the heart. It acts more like a mechanical
assistdevice. "Our idea is similar to earlier experiments by researchers at otheruniversities who are trying to implant fetal muscle cells into hearts tostimulate growth," Taylor said. But, she added, that idea is not practicalbecause there i...
New Device To Alleviate Distress Caused By Tinnitus
...cochlea-the coiledpart of the inner ear that turns mechanical
vibrations into neural impulses-ishoused within this bone, and the vibrations are effectively applied directly toit. Initially, the user tunes the frequency of the probe by adjusting aslider on a portable control box until the sound stops. T...
New Rehabilitative Device Combines Form And Function For Children With Mobility Impairments
...ical disabilities. Corkran, who helpedTierney with mechanical
issues and construction of the prototype, added:"Although playful, aesthetics are also practical. For example, themulticolor flecks on the polycarbonate tubing help hide scuff marks andfood stains." Placement is another departure from the norm. "Man...
Quicker Implementation Of Research Results
...d at the centre of excellencefocusing on "Adaptive mechanical
systems - ADAMES" at the University ofMagdeburg include controlling the wing shape of high-speed aircraft and usingcar body sheets for active vibration damping. Whereas the liver has been well explored as an organ of detoxification, the"Mechanisms of...
Virginia Tech Research Group Presents Improved Dental Materials
...bsorb as much water aspresent fillings. Their good mechanical
properties will therefore not bedecreased as much as those of present fillings and the fillings should lastlonger," Shultz reports. "Ms Gunduz, in collaboration with other members in our research group, hasstudied the photopolymerization kinetics of...
UB Stroke Researchers Develop New Technique To Measure Blood Rate-of-flow, Treat Brain Malformations
...group were Afshin A. Divani, doctoral candidate in mechanical
and aerospace engineering; Stephen Rudin, Ph.D., p...y; Baruch B. Lieber, Ph.D., associate professor of mechanical
and aerospace engineering, and Daniel R. Bednarek. Ph.D., associate professor of radiology and physi...
1 2 3 4 5 6 7 8 9 10