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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
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
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
Roadmap for Cloud Computing Technology
( Source: COMPAMED.de )
[11/11/2011] The National Institute of Standards and Technology (NIST) has released for public comment a draft "roadmap" that is designed to foster federal agencies' adoption of cloud computing, support the private sector, improve the information available to decision makers and facilitate the continued development of the cloud computing model. Roadmap for Cloud Computing Technology - 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
Tool for Advance of Neuroscience
( Source: COMPAMED.de )
[17/11/2011] Researchers at the UPM and CSIC, within the Cajal Blue Brain project, develop a new freeware software tool that allows to study the brain structure in greater depth. Tool for Advance of Neuroscience - 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
Ultrathin Flexible Brain Implant Offers Unique Look at Seizures
( Source: COMPAMED.de )
[15/11/2011] Researchers funded by the National Institutes of Health have developed a flexible brain implant that could one day be used to treat epileptic seizures. In animal studies, the researchers used the device – a type of electrode array that conforms to the brain's surface – to take an unprecedented look at the brain activity underlying seizures. Ultrathin Flexible Brain Implant Offers Unique Look at Seizures - read more
Elastic Nutrient Suppliers from the Printer
( Source: COMPAMED.de )
[18/11/2011] Tissue engineering is on everyone’s lips. Its aim is to produce organs in the laboratory. However, up to now researchers haven't succeeded in supplying artificial tissue with nutrients. The reason: The necessary vascular system was missing. At COMPAMED 2011, the Fraunhofer Institute for Laser Technology ILT introduces a possible solution: biocompatible artificial blood vessels. Elastic Nutrient Suppliers from the Printer - read more
Animal Producer at COMPAMED
( Source: COMPAMED.de )
[17/11/2011] They have long legs, move in a graceful way and they are quite productive: Dascha and Babette are the most beautiful ladies of COMPAMED this year. The two female spiders show live how they produce the silk which might play an important role in future regenerative medicine. Animal Producer at COMPAMED - read more
Set Piezoelectric Material in Motion?
( Source: COMPAMED.de )
[22/11/2011] Integrating a complex, single-crystal material with "giant" piezoelectric properties onto silicon, University of Wisconsin-Madison engineers and physicists can fabricate low-voltage, near-nanoscale electromechanical devices that could lead to improvements in high-resolution 3-D imaging, signal processing, communications, energy harvesting, sensing,actuators for nanopositioning devices. Set Piezoelectric Material in Motion? - read more
Computer System Allows Machine to Recognise Person's Emotional State
( Source: COMPAMED.de )
[23/11/2011] The system created by researchers of Carlos III University of Madrid can be used to automatically adapt the dialogue to the user's situation, so that the machine's response is adequate to the person's emotional state. Computer System Allows Machine to Recognise Person's Emotional State - read more
Tool for Hardening Software against Cyber Attack
( Source: COMPAMED.de )
[24/11/2011] Computer scientists at the National Institute of Standards and Technology (NIST) have dramatically enlarged a database designed to improve applications that help programmers find weaknesses in software. This database, the SAMATE Reference Dataset (SRD), version 4.0, is a freely available online tool aimed at helping programmers fortifies their creations against hackers. Tool for Hardening Software against Cyber Attack - 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
Simulator Improves Safety of High-risk Deliveries
( Source: COMPAMED.de )
[29/11/2011] Newly developed computer software combined with magnetic resonance imaging (MRI) of a fetus may help physicians better assess a woman's potential for a difficult childbirth. Results of a study using the new software were presented at the annual meeting of the Radiological Society of North America (RSNA). Simulator Improves Safety of High-risk Deliveries - 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
Death Prevention in People with Arrhythmias
( Source: COMPAMED.de )
[01/12/2011] Wearable cardioverter defibrillators are used by people who may be at higher risk for sudden cardiac arrest, including those with weakened heart function, awaiting cardiac transplant or with a condition that prevents or delays them from receiving an implanted defibrillator. Death Prevention in People with Arrhythmias - 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
3-D Printer to Make Bone-Like Material
( Source: COMPAMED.de )
[06/12/2011] Washington State University researchers have used a 3D printer to create a bone-like material and structure that can be used in orthopaedic procedures, dental work, and to deliver medicine for treating osteoporosis. Paired with actual bone, it acts as a scaffold for new bone to grow on and ultimately dissolves with no apparent ill effects. 3-D Printer to Make Bone-Like Material - 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
Future for Infarct Size Quantification
( Source: COMPAMED.de )
[08/12/2011] STE can be applied even in patients with contraindications for MRI, such as metallic devices, claustrophobia, and severe renal failure that preclude use of contrast infusions. "The study open the way for every patient who is admitted to hospital with STEMI to undergo assessment of infarct size with echocardiography prior to discharge," says Doctor Luigi Badano from the University of Padua, Italy. Future for Infarct Size Quantification - read more
3D Reconstruction of Brain Circuit
( Source: COMPAMED.de )
[09/12/2011] Researchers from the Max Planck Florida Institute (MPFI) are reporting that, using a conceptually new approach and state-of-the-art research tools, they have created the first realistic three-dimensional diagram of a thalamocortical column in the rodent brain. 3D Reconstruction of Brain Circuit - read more
Lying and Sitting More Comfortably
( Source: COMPAMED.de )
[13/12/2011] People who have to sit at work often have back pain. People permanently confined to bed are even worse off – they frequently develop bed sores. New smart cushioning is intended to eliminate the discomforts of lying and sitting. An integrated sensor system equalizes pressure selectively. Lying and Sitting More Comfortably - read more
“Our goal here was to research robotic components“
( Source: COMPAMED.de )
[02/01/2012] The future has arrived in the operating room. Instead of operating directly on the patient, the surgeon sits at a kind of control console and moves remote-controlled robotic arms on it that virtually perform the surgery on the patient. If necessary, the robotic arms can be adapted – a multitude of surgical interventions are thus made possible. “Our goal here was to research robotic components“ - 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
Developing Heart Disease Treatments
( Source: COMPAMED.de )
[14/12/2011] Patients with life-threatening heart valve disease could be helped with alternative scanning techniques that provide greater insight into the condition. Developing Heart Disease Treatments - 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
The COMPAMED.de team wishes Happy Holidays!
( Source: COMPAMED.de )
[23/12/2011] Dear readers, we would like to thank you for your faithfulness in 2011. We wish you a happy holiday and hope you will continue to show us your loyalty and accompany us in 2012. All the best from the COMPAMED.de editorial team! The COMPAMED.de team wishes Happy Holidays! - 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
Technology pulsates through heart and legs
( Source: COMPAMED.de )
[02/01/2012] In the past few months the mood in many scientific research units has almost been euphoric: the use of robotics for human beings and in the human body is no longer just mere fiction, but technically feasible at this point. In the future, “robotic hearts “can support cardiac patients and exoskeletons can help paraplegics to walk again. Technology pulsates through heart and legs - read more
A Single Cell Endoscope
( Source: COMPAMED.de )
[21/12/2011] An endoscope that can provide high-resolution optical images of the interior of a single living cell, or precisely deliver genes, proteins, therapeutic drugs or other cargo without injuring or damaging the cell, has been developed by researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab). A Single Cell Endoscope - 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
Faster, More Accurate, More Sensitive
( Source: COMPAMED.de )
[27/12/2011] HHblits is a new software tool for protein research which promises to improve the functional analysis of proteins. A team of computational biologists led by Doctor Johannes Söding of LMU's Genzentrum has developed a new sequence search method to identify proteins with similar sequences in databases that is faster and can discover twice as many evolutionarily related proteins as previous methods. Faster, More Accurate, More Sensitive - 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
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
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
Fewer Animal Experiments Thanks to Nanosensors
( Source: COMPAMED.de )
[04/01/2012] Experiments on animals have been the subject of criticism for decades. The number of tests involving laboratory animals has in fact gone up. Now, researchers of the Fraunhofer Research Institution for Modular Solid State Technologies EMFT in Munich, Germany have found an alternative approach: they hope sensor nanoparticles will reduce the need for animal testing. Fewer Animal Experiments Thanks to Nanosensors - 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
A Fantastic Voyage Through the Body
( Source: COMPAMED.de )
[05/01/2012] Endoscopes — small cameras or optic fibres that are usually attached to flexible tubing designed to investigate the interior of the body — can be dangerously invasive. Procedures often require sedative medications and some recovery time. A Fantastic Voyage Through the Body - 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
Backing out of the Nanotunnel
( Source: COMPAMED.de )
[11/01/2012] In a project carried out under the auspices of the Cluster of Excellence "Nanosystems Initiative Munich" (NIM), researchers led by physicist Professor Ulrich Gerland and Professor Friedrich Simmel have developed a new method that depends on the analysis of reverse translocation through asymmetric pores, which minimizes the interference caused by interactions with the pore material itself. Backing out of the Nanotunnel - 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
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
Reaction Holds Promise for New Drug Development
( Source: COMPAMED.de )
[17/01/2012] A team of researchers at the California Institute of Technology (Caltech) has devised a new method for making complex molecules. Reaction Holds Promise for New Drug Development - read more
Inner Workings of Viruses
( Source: COMPAMED.de )
[20/01/2012] Since the discovery of the microscope, scientists have tried to visualise smaller and smaller structures to provide insights into the inner workings of human cells, bacteria and viruses. Inner Workings of Viruses - 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
Identify Bladder Cancer Marker
( Source: COMPAMED.de )
[19/01/2012] Researchers at the Stanford University School of Medicine have used an innovative mathematical technique to find markers that effectively predict how deadly a cancer will be. The discovery, which in this case concerned bladder cancer, could lead to faster, less expensive and more accurate analysis of cancer risk and better treatment of the disease. Identify Bladder Cancer Marker - 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
Physical Autopsies Still "Gold Standard" for Determining Cause of Death
( Source: COMPAMED.de )
[25/01/2012] TV crime shows like Bones and CSI are quick to explain each death by showing highly detailed scans and video images of victims’ insides. Traditional autopsies, if shown at all, are at best in supporting roles to the high-tech equipment, and usually gloss over the sometimes physically gruelling tasks of sawing through skin and bone. Physical Autopsies Still "Gold Standard" for Determining Cause of Death - 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
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
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
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
Detection of Genes Linked to Cancer
( Source: COMPAMED.de )
[02/02/2012] Using a liquid laser, University of Michigan researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases. Detection of Genes Linked to Cancer - read more
With a Push You Could Be Gone
( Source: COMPAMED.de )
[03/02/2012] Space researchers develop ultrasound technology that detects and treats kidney stones. With a Push You Could Be Gone - read more
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