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Composite in Biological News

6 young ASU faculty earn NSF Career awards

... to increase the strength of fiber-reinforced composite materials. Fiber reinforced composites provide ... materials. The effect of the nanowires gives the composite materials more strength, including better tensile ... you can improve the structural performance of composite materials by using a nanowire interface," Sodano ...

American Chemical Society's Weekly PressPac -- May 20, 2009

... to humans and to the environment. The scientists developed a dental composite that does not contain these ingredients. Instead, it uses "bile acids," ... ARTICLE #3 FOR IMMEDIATE RELEASE "Facile Fabrication of Raspberry-like composite Nanoparticles and Their Application as Building Blocks for Constructing ...

Hormone-mimics in plastic water bottles -- just the tip of the iceberg?

... Germany nine bottled in glass, nine bottled in plastic and two bottled in composite packaging (paperboard boxes coated with an inner plastic film). The ... compared with 78% of waters in plastic bottles and both waters bottled in composite packaging showed significant hormonal activity. By breeding the New ...

Study finds 'rescue course' of antenatal steroids improves outcome in premature babies

... 214 in the placebo group). The results showed a significant reduction in composite neonatal morbidity for babies born prior to 34 weeks in the "rescue ... of the gestational age at delivery), a significant reduction in composite morbidity in the "rescue steroid" group was still demonstrated (32.1% vs. ...

Scientists create tough ceramic that mimics mother of pearl

... terms) more resistant to fracture than aragonite. No human-synthesized composite outperforms its constituent materials by such a wide margin. The problem ... improve strength as well as toughness of the composite." Such future composite materials would be lightweight and strong as well as tough, he says, and ...

Findings released from 1 of the largest percutaneous coronary intervention trials ever

... of the trial were major bleeding and net adverse clinical events, a composite of major adverse cardiovascular events (death, reinfarction, stroke or ... has previously been shown to result in less bleeding and similar rates of composite ischemia compared to heparin plus GPI in patients undergoing angioplasty ...

Argonne scientists use lasers to align molecules

... they diffract in different directions, making it impossible to create a composite diffraction image, Argonne Physicist Robin Santra said. Some molecules, ... imaging would require numerous samples to bombard in order to get a full composite picture. Young's laser technique allows for millions of molecules ...

Vega main engine test in Kourou

... used for the Ariane boosters, the P80 has a lightweight, filament-wound composite casing. It also incorporates a new, simplified design of igniter with a carbon fibre structure. A new, steerable nozzle fabricated from composite material has been developed, with a simplified architecture made up of ...

Tires made from trees -- better, cheaper, more fuel efficient

... in a series of significant discoveries in Li's research program at OSU in recent years. He developed a non-toxic adhesive for production of wood composite panels that has dramatically changed that industry, and in 2007 received a Presidential Green Chemistry Challenge Award at the National Academy of ...

Scientists map West coast areas most affected by humans

... commercial and recreational fishing, land-based sources of pollution, and ocean-based commercial activities. With the information, they produced a composite map of the status of West Coast marine ecosystems. The work was published online today in the journal Conservation Letters , and was conducted at ...

Case Western Reserve University engineers hit pay dirt with clay mixture

... new kinds of polymer-based materials. Graduate student Matt Gawryla has since received a President's Opportunity Grant to expand clay aerogel composite experiments. "We have put together an army of graduate and undergraduate researchers on a shoestring budget and produced a gold mine of papers and ...

A full-sized California-style home made of bamboo

... team led by Yan Xiao, a professor at the USC Viterbi School of Engineering and also a founding director of the Institute of Modern Bamboo, Timber and composite Structures of the Hunan University, China designed and constructed the house, among the first of its kind in the world. It uses the GluBam ...

Getting down to cancer basics

... will plumb in order to get themselves ready to go." The normal UTX protein modifies part of the structure holding DNA together in our cells. The composite DNAprotein structure, called chromatin, is not simply a scaffold, but plays an active role in controlling gene activity. The UTX protein alters a key ...

Drug used to treat skin conditions is a marine pollutant

... thesis launch a theoretical model for calculating how cocktail effects arise. This model can be used to obtain highly reliable estimates of the composite environmental risk from mixtures of chemicals in the ocean ecosystem. ...

Mixed population provides insights into human genetic makeup

... and determine the relative differences from the parental populations. "This type of study, done on admixed populations shows that each person is a composite of their ancestors and that the range of facial features is a continuum," says Shriver. Shriver found that there was a very strong statistical ...

UT to develop fracture putty for traumatic leg injuries

... peptides, bio-polymers, stem cells and adhesives. The solution will come from the integration of nanomaterials with unique properties in a smart composite substance that can mimic bone structure and function." He added, "The fracture putty will serve as a bioactive scaffold and will be able to ...

January-February GSA Bulletin media highlights

... stratigraphy and the duration and age of the Ludlow Member of the Fort Union Formation (Lower Paleocene), Peppe et al. constructed a 325 meter composite lithostratigraphic section of the Upper Cretaceous Hell Creek Formation and the Lower Paleocene Ludlow and Tongue River Members of the Fort Union ...

Forced evolution: Can we mutate viruses to death?

... the leading models that are used to describe bacterial and viral evolution, and we derived exact solutions to the models." The upshot is a newer, composite formula that more accurately captures what happens in real world evolution. Deem's co-authors on the study include Rice graduate student Enrique Muoz ...

156th Acoustical Society of America Meeting, Nov. 10-14, 2008 in Miami

... the inability of laminate flooring to reproduce the natural sound of wood as a drawback to their market appeal. Therefore, if a laminate flooring composite can be offered to the market, which recreates the natural wood floor acoustic experience, the floor will offer additional value to the ... ...

AVS 55th International Symposium & Exhibition, Oct. 19-24

... in the southern hemisphere See: http://www.avssymposium.org/paper.asp?abstractID=200 . EXCITONICS AND FUTURE ELECTRONICS Excitons, composite entities consisting of an electron and the vacancy it left behind in a solid, may have useful in electronic applications. See: ...

Penn presents inaugural symposium on applied mathematics and computational science

... be given by international leaders in subjects connected to large-scale computation, medical imaging, image and data analysis and the structure of composite materials, followed by a panel discussion on "What Is Computational Science?" WHO: Speakers and panelists: Marsha Berger, New York University; ...

Taking the next step toward advanced artificial limbs

... system or remnant muscle activity, the advanced prosthetics WPI researchers envision will have a permanent connection to the body. A fixed metal or composite post will be placed into bone, and then multiple layers of tissue will integrate around that post. Through the TATRC program, the WPI team will study ...

Launch of GOCE delayed

... of the problem will require the replacement of this unit. In order to perform this operation, it will be necessary to de-mate the launcher's upper composite and transport it from the launch pad back to the integration room. Once in the clean room, the protective fairing that shelters the satellite will be ...

'Small' research at MSU leads to advances in energy, electronics

... industries, said Lawrence Drzal, University Distinguished Professor of chemical engineering and materials science at MSU and director of MSU's composite Materials and Structure Center. Drzal led the research group that developed the product, which is considered to be a practical, inexpensive ...

American Chemical Society's Weekly PressPac -- July 23, 2008

... The scientists describe preparation of ceramic plates from mixtures of magnetite and petalite, two naturally occurring minerals. Those new composite plates heated faster and retained heat for longer periods than commercially available microwave cookware, researchers say. The materials also show ...

Tips on how to build a better home for biological parts

... associated DNA clones identified several key needs where improvements could be made. These included the following: (a) to distinguish basic parts and composite parts that can be broken down into smaller parts; (b) to set curation standards to document the sequences of basic parts by associating them with ...

Nanotubes could help study retrovirus transmission between human cells

... in which the spheres would morph into cylinders of nanometer radii. But researchers had difficulties, says Sasaki, perhaps because they used a composite lipid called egg PC that requires unnecessarily high energies to bend into a tubular shape. Egg PC is inexpensive, readily available, and offers ...

Blue light used to harden tooth fillings stunts tumor growth

... Patel, a rising MCG School of Dentistry junior. "The light waves produce free radicals that activate the catalyst and speed up polymerization of the composite resin. In oral cancer cells, though, those radicals cause damage that decreases cell growth and increases cell death." Mr. Patel, who has been ...

The photonic beetle

... reflects a slightly different wavelength or shade of green. Each piece is too small to be seen individually by your eye, so what you see is a composite effect, with the beetle appearing green from any angle, Bartl explains. Scientists dont know how the beetle uses its color, but because it is an ...

OSU technologies funded for development

... School of Mechanical and Aerospace Engineering. Singh and Vaidyanathan will utilize rubber from discarded tires to create sandwich-core composite laminates. The lightweight, load bearing composites will be able to absorb acoustic noise and vibration and provide protection from blast loading. ...

OCAST funds OSU projects with commercial viability

... for the interior panels of aircraft using crosslinked aerogels. Noise reduction will be the primary goal of the project. Lu will also test the composite panels for thermal insulation performance and structural load carrying capabilities. Aerogels are a super-lightweight, highly porous material ...

The cooperative view: New evidence suggests a symbiogenetic origin for the centrosome

... centrosome evolved through symbiogenesis in which previously independent organisms fuse, become mutually dependent, and over time, become a single composite organism rather than by the evolutionary process of random, heritable mutations and natural selection. The Alliegros moved to the MBL ...

Crowning glory

... but would lead to better incorporation by living tissue at the implant site. An example of such a coating material is the commercially available composite materials, such as "Bonelike" which is a synthetic bone material, hydroxyapatite reinforced with tiny glass particles. This material can be used to ...

For the paper trail of life on Mars or other planets, find cellulose

... intact. Their examination clearly revealed the cellulose was in the form of microfibers as small as five nanometers in diameter, as well as composite ropes and mats. The cellulose we isolated from the ancient salt deposits is very much like real, modern day cellulose: it looks like cellulose, ...

The Lancet publishes first clinical trial data of a fully bioabsorbable drug eluting stent

... (one patient, 3.3 percent, n=30; 3.4 percent adjusted for one patient who withdrew from follow-up, known to be event free at 1 year, n=29). MACE is a composite measure of cardiac death, heart attack and re-treatment of a diseased lesion (ischemia-driven target lesion revascularization) in the ABSORB trial. ...

New study increases concerns about climate model reliability

... ROCHESTER, NY (Dec. 11, 2007) A new study comparing the composite output of 22 leading global climate models with actual climate data finds that the models do an unsatisfactory job of mimicking climate change in key ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, December 2007

... nanocrystalline material with up to 50 percent increase in flexure strength adding only pennies to a product worth hundreds of dollars. The treated composite resembles biological materials with complex hierarchical structure. Funding has been provided by the Laboratory Directed Research and Development ...

Human embryonic stem cell -- derived bone tissue closes massive skull injury

... mineralization. Mesenchymal precursor cells grown on an all-polymer, biodegradable scaffold followed the endochondral lineage. Those grown on a composite scaffold made of biodegradable polymers and a hard, gritty mineral called hydroxyapatite went to the intramembraneous side. Biomaterial scaffolds ...

Woods Hole Research Center debuts new image mosaic that will strengthen global forest monitoring

... of the ALOS radar imaging sensor to vegetation structure, this marks a new era in remote sensing of natural resources. The image mosaic is a composite of 116 individual scenes acquired by the Phased Array L-Band SAR (PALSAR) carried on board ALOS. The acquisition was made over the Xingu basin in ...

Portable electricity, life-like prosthetics on the way

... occurring, they have their limits. If an application requires a level of energy conversion not found in a naturally occurring piezoelectric, a composite consisting of piezoelectrics and non-piezoelectrics must be made. Sharma and his team are creating piezoelectrics from man-made materials that have ...
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(Date:9/16/2014)... certain traits from our parents that are pre-determined. But ... out by taking certain drugs or better yet, just ... of researchers at the Boston University School of Medicine ... , Epigenetics regulates gene expression in a reversible ... prevent permanent mutations or alterations within the gene themselves. ...
(Date:9/16/2014)... us sick can take up residence in and on ... other troublesome symptom, according to new research at Washington ... On average, healthy individuals carry about five types of ... BioMed Central Biology . The study is the ... in healthy people. , The research was conducted ...
(Date:9/16/2014)... has its own bacterial identity. That,s the conclusion of ... who studied the genetic fingerprints of bacteria on 57 ... "This study demonstrates for the first time that host ... strategies possess very different microbial communities on their leaves," ... researcher in the UO,s Institute of Ecology and Evolution ...
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