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Materials and Production
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Nanotube-based Device for Communication, Security, Sensing
( Source: COMPAMED.de )
[01/02/2012] Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication devices, sensors and non-invasive medical imaging systems as well as fundamental studies of low-dimensional condensed matter systems. Nanotube-based Device for Communication, Security, Sensing - read more
Making Better Memories
( Source: COMPAMED.de )
[31/01/2012] Scientists demonstrate a rare combination of electric and magnetic properties in a now readily producible material could improve electronic memory devices. Making Better Memories - read more
Creating Elastic Conductors
( Source: COMPAMED.de )
[27/01/2012] Researchers from North Carolina State University have developed a new method for creating elastic conductors made of carbon nanotubes, which will contribute to large-scale production of the material for use in a new generation of elastic electronic devices. Creating Elastic Conductors - read more
Helping Ensure Electrical Devices Are Smart Grid Ready
( Source: COMPAMED.de )
[26/01/2012] Taking a step closer to ensuring that new electrical devices will be ready to plug into the nation's next-generation power grid, the National Institute of Standards and Technology (NIST)'s Smart Grid Interoperability Panel (SGIP) recently outlined the process by which test laboratories and certifying organizations are accredited for evaluation of Smart Grid products. Helping Ensure Electrical Devices Are Smart Grid Ready - read more
Cooling Semiconductor by Laser Light
( Source: COMPAMED.de )
[23/01/2012] Researchers at the Niels Bohr Institute have combined quantum physics and nano physics. This has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors are vital components in many electronics, and the efficient cooling is important for future quantum computers and ultrasensitive sensors. The cooling method works paradoxically by heating the material! Cooling Semiconductor by Laser Light - read more
Stenting for Stroke Prevention Becoming Safer
( Source: COMPAMED.de )
[18/01/2012] Placing a stent in a key artery in the neck is safer than ever in patients ineligible for the standard surgical treatment of carotid artery disease, according to a new study of University of Wisconsin School of Medicine and Public Health. Stenting for Stroke Prevention Becoming Safer - read more
Quantify the Friction of Graphene
( Source: COMPAMED.de )
[13/01/2012] Similar to the way pavement, softened by a hot sun, will slow down a car, graphene—a one-atom-thick sheet of carbon with wondrous properties—slows down an object sliding across its surface. But stack the sheets and graphene gets more slippery, say theorists at the National Institute of Standards and Technology (NIST), who developed new software to quantify the material's friction. Quantify the Friction of Graphene - read more
Stroke Prevention Becoming Safer in High-risk Patients
( Source: COMPAMED.de )
[12/01/2012] Placing a stent in a key artery in the neck is safer than ever in patients ineligible for the standard surgical treatment of carotid artery disease, according to a new study. Stroke Prevention Becoming Safer in High-risk Patients - read more
Nanocrystals Make Dentures Shine
( Source: COMPAMED.de )
[10/01/2012] The hardest substance in the human body is moved by its strongest muscles: When we heartily bite into an apple or a schnitzel, enormous strengths are working on the surface of our teeth. “What the natural tooth enamel has to endure also goes for dentures, inlays or bridges“, glass chemist Professor Christian Rüssel of the Friedrich Schiller University Jena (Germany) says. Nanocrystals Make Dentures Shine - read more
High-Speed CMOS Sensors Provide Better Images
( Source: COMPAMED.de )
[06/01/2012] Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component developed by researchers of the Fraunhofer Institute for Microelectronic Circuits and Systems IMS (Germany) speeds up this process. High-Speed CMOS Sensors Provide Better Images - read more
The Art of Molecular Carpet-Weaving
( Source: COMPAMED.de )
[03/01/2012] Stable two-dimensional networks of organic molecules in high quality and with the greatest possible stability currently still pose a great challenge. Scientists from the Excellence Cluster Nanosystems Initiative Munich (NIM), Germany have now successfully created just such networks made of boron acid molecules. The Art of Molecular Carpet-Weaving - read more
Discovery Expected to Significantly Change Biomedical Research
( Source: COMPAMED.de )
[29/12/2011] In a major step that could revolutionize biomedical research, scientists have discovered a way to keep normal cells as well as tumour cells taken from an individual cancer patient alive in the laboratory — which previously had not been possible. Normal cells usually die in the lab after dividing only a few times, and many common cancers will not grow, unaltered, outside of the body. Discovery Expected to Significantly Change Biomedical Research - read more
Lubricant in Metal-On-Metal Implants Found to Be Graphite
( Source: COMPAMED.de )
[28/12/2011] A team of international engineers and physicians have made a surprising discovery that offers a target for designing new materials for hip implants that are less susceptible to the joint’s normal wear and tear. Lubricant in Metal-On-Metal Implants Found to Be Graphite - read more
From Food Security to Biotechnology
( Source: COMPAMED.de )
[22/12/2011] From improving food security to their use as biotechnology power horses, Trichoderma fungi are increasingly being exploited by industry. Current advances in the field are brought together and highlighted in a special issue of Microbiology. From Food Security to Biotechnology - read more
50-year Quest to Isolate Thermoelectric Effect is Over
( Source: COMPAMED.de )
[20/12/2011] As electrons move past atoms in a solid, their charge distorts the nearby lattice and can create a wave. Reciprocally, a wave in the lattice affects the electrons motion, in analogy to a wave in the sea that pushes a surfer riding it. 50-year Quest to Isolate Thermoelectric Effect is Over - read more
Breakthrough in X-Ray Nanospectroscopy
( Source: COMPAMED.de )
[16/12/2011] Researchers at Helmholtz Zentrum Berlin (HZB) have developed a new microscope for high spatial resolution X-ray spectroscopic studies. While conventional X-ray spectroscopy has so far fallen short of resolving single nanoparticles, the X-ray microscope at HZB’s synchrotron source BESSY II succeeds by using high-brilliancy X-rays. Breakthrough in X-Ray Nanospectroscopy - read more
Nanoparticles Help to Deliver Steroids to Retina
( Source: COMPAMED.de )
[15/12/2011] So called dendrimers offers a new way to treat age-related macular degeneration and retinitis pigmentosa. A collaborative study among investigators at Wayne State University, the Mayo Clinic and Johns Hopkins Medicine shows that steroids attached to the dendrimers targeted the damage-causing cells leaving the rest of the eye unaffected and preserving vision. Nanoparticles Help to Deliver Steroids to Retina - read more
Are All Hip Replacement Implants the Same?
( Source: COMPAMED.de )
[07/12/2011] More than 270,000 Americans get hip replacement surgeries every year - a number that is projected to double in the next decade as the population ages. With various options for implants, including metal-on-polyethylene, metal-on-metal and ceramic-on-ceramic, there have been questions about which kind works best. Are All Hip Replacement Implants the Same? - read more
Researchers Invent Switch that could Improve Electronics
( Source: COMPAMED.de )
[02/12/2011] Researchers at the University of Pittsburgh have invented a new type of electronic switch that performs electronic logic functions within a single molecule. The incorporation of such single-molecule elements could enable smaller, faster, and more energy-efficient electronics. Researchers Invent Switch that could Improve Electronics - read more
Creating Nanoporous Materials
( Source: COMPAMED.de )
[30/11/2011] Scientists have developed a new method of creating nanoporous materials with potential applications in everything from water purification to chemical sensors. Creating Nanoporous Materials - read more
Alloy Could Find Use in Novel Micromechanical Devices
( Source: COMPAMED.de )
[25/11/2011] Led by a group at the University of Maryland (UMd), a multi-institution team of researchers has combined modern materials research and an age-old metallurgy technique to produce an alloy that could be the basis for a new class of sensors and micromechanical devices controlled by magnetism. Alloy Could Find Use in Novel Micromechanical Devices - read more
Converting 2-D Patterns Into 3-D Objects
( Source: COMPAMED.de )
[18/11/2011] Researchers from North Carolina State University have developed a simple way to convert two-dimensional patterns into three-dimensional (3-D) objects using only light. Converting 2-D Patterns Into 3-D Objects - read more
Occupational Chemical Exposure May Be Linked to Parkinson's Risk
( Source: COMPAMED.de )
[16/11/2011] A new research report contributes to the increasing evidence that repeated occupational exposure to certain chemical solvents raises the risk for Parkinson's disease. Occupational Chemical Exposure May Be Linked to Parkinson's Risk - read more
Transmission Gain While Retaining Negative Refraction Property
( Source: COMPAMED.de )
[10/11/2011] A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first in the world of metamaterials research. Transmission Gain While Retaining Negative Refraction Property - read more
Are Electron Tweezers Possible?
( Source: COMPAMED.de )
[09/11/2011] Not to pick up electrons, but tweezers made of electrons. Researchers from the National Institute of Standards and Technology (NIST) and the University of Virginia (UVA) demonstrate that the beams produced by modern electron microscopes can be used not just to look at nanoscale objects, but to move them around, position them and perhaps even assemble them. Are Electron Tweezers Possible? - read more
Tying Molecules in Knots
( Source: COMPAMED.de )
[08/11/2011] A research team headed by Professor David Leigh of the University of Edinburgh (UK) and Academy Professor Kari Rissanen of the University of Jyväskylä (Finland) have made the most complex molecular knot to date. Tying Molecules in Knots - read more
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