Tag: "mechanical" at biology news

Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2002

...e made more resistant to these forces. Compared to mechanical bonding, metallurgical bonding results in far greater strength of the bonds between the atoms of the coating and substrate. [Contact: Bill Corwin] CHEMISTRY Guarding the nation's water supplies . . . ORNL's water sentinel enlists the help of n...

Biodegradable plastics go to compost heaps, not landfills

...ly is manipulating the composites to improve their mechanical properties, such as stiffness and strength, and to decrease their water absorption, which could start premature degradation. The new composites could also substitute for wood in such applications as crates or building studs. "Trees take 25 years to ...

Personal body part grown in a dish

...are often implanted. These are expensive, prone to mechanical failure and can cause infections, says Wessells. "Plus it's not natural by any means."...

Optical microsystems emerge in industrial applications

...hanical systems (MEMS), which merge electronic and mechanical features. These devices have also spawned a promis...de to create these devices without any macroscopic mechanical parts that might lead to higher costs and unreliability. New ways to overcome transmission obstacles...

Illinois lands research center for advanced water purification

...g; geology; materials science and engineering; and mechanical and industrial engineering will be involved with the center, as well as researchers from the Waste Management and Research Center on campus. Some of the center's work will build upon carbon-fiber technology developed at Illinois. This improved adsor...

NASA turns to universities for research in space-age materials

...orse. His group already has discovered interesting mechanical properties in sea sponges that make fiberglass nee...tribute expertise in fabricating and measuring the mechanical properties of hybrid materials. Achieving such results will require expertise from many specialties...

Rory Cooper, PhD receives the highest award offered by U.S. Dept. Of Veterans Affairs

... rehabilitation, School of Medicine and professor, mechanical engineering and bioengineering, and physical medicine and rehabilitation at the School of Medicine, all at the University of Pittsburgh. The Teague Award is granted to a VA employee, or employees working as a team, whose achievements have been of sp...

University of Pittsburgh scientist discusses blood cell damage from biomedical devices

...n the way they disturb blood." Previous studies of mechanical blood trauma have focused on the complete destruct...fact, there is evidence suggesting that even minor mechanical damage may shorten the lifespan of red blood cells, which deliver oxygen throughout the body. "Blood...

Rice bioengineers develop method to grow 3-D bone matrix

...g bone in the laboratory may be able to create the mechanical stimulation needed to grow bone outside the body. ... build the mineralized matrix of bones -- but also mechanical stimulation. Astronauts whose bones become brittle after months in orbit are a testament to the impo...

From moon rocks to space food: UH research spans 40 years

... researchers will be working to improve flight and mechanical performance and safety of future aircraft and spac...science; Karolos Grigoriadis, associate professor, mechanical engineering; Darby Magruder and Kenneth Baker, NASA-JSC. Human exploration and development of space ...

Nanomuscles show promise in industrial and medical applications

...vest waste energy and convert electrical energy to mechanical energy. Potential applications include high-power, low-voltage artificial muscles that can operate at extremely high temperatures. "Applications for nanomuscles are not limited to healthcare. Small motors consume more than half of all the power gener...

UC Riverside leads the country with the highest number of 2002 AAAS Fellows

...s and schistosomes. Lung-Wen Tsai , professor of mechanical engineering. Dr. Tsai's research interests includ...istorical biography. Kambiz Vafai , professor of mechanical engineering. Dr Vafai's current research interests include transport through porous media, multipha...

Bio-X to fund 21 new interdisciplinary research projects

...molecular and cellular physiology; Charles Taylor, mechanical engineering): measuring how individual nerve cells in the brains of mice respond to calcium changes in the bloodstream. ''Seismic Transmission and Detection of African Elephant Vocalizations and Footfalls'' (Simon Klemperer, geophysics; Robert Sapo...

A new twist on an age-old problem: Making knee replacements last

...ople," said B.J. Fregly, an assistant professor of mechanical and aerospace engineering at the University of Flo...s applying the latest techniques from the world of mechanical engineering to the human body. By linking video, CT scans, computer models, specially developed comp...

From the bone of a horse, a new idea for aircraft structures

...ew Rapoff, an assistant professor of aerospace and mechanical engineering and the lead researcher on the project..., said Stephen Cowin, a distinguished professor of mechanical engineering and director of the New York Center for Biomedical Engineering at The City College of Ne...

Blasting antibodies with lasers provides direct way of measuring their flexibilities

...erful laser in combination with innovative quantum mechanical computations to measure the flexibility of mouse a...ds using a combination of spectroscopy and quantum mechanical techniques. Shaken Not Stirred For years biochemists have routinely used bench top ultraviolet and...

January GEOLOGY and GSA TODAY media highlights

...st and how these processes affect the chemical and mechanical evolution of the lithosphere are some of the least...enced pathways of melt transfer and controlled the mechanical behavior of the lithosphere during orogenesis. (2) Evolving lithospheric strength profiles during ma...

Mathematical prediction of on-off switches in cell division proven

...h; Antonio Lassaletta, an undergraduate student in mechanical engineering who is studying with Sible; and Chung-Seon Yi, a postdoctoral associate with Tyson....

Endangered northern right whales exposed to paralytic shellfish poisoning

... reproductive failure, disruption of migration and mechanical damage, e.g., by collisions with ships or fouling in nets and other fishing gear. For example, recovery from dives during periods of PSP exposure would likely be longer than normal, and increased time at the surface would increase a whale's chances o...

'Moss in space' project to test how plants grow 'up'

...most cells cope with internal mechanical forces. After the experiments are completed, the astronauts will chemically preserve the moss containers before returning to Earth. Upon landing, the Ohio State research team will take t...

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