Nanoscale Structures Current Events | Nanoscale Structures News | 8
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Nanoparticles assemble by millions to encase oil drops
In a development that could lead to new technologies for cleaning up oil spills and polluted groundwater, scientists at Rice University have shown how tiny, stick-shaped particles of metal and carbon can trap oil droplets in water by spontaneously assembling into bag-like sacs. view more (2008-05-30)
Crystal structure enables tailoring of pharmaceuticals against asthma
Researchers at Karolinska Institutet in Sweden have managed to elucidate the crystal structure of a human membrane protein - LTC4 synthase - which has a major influence on the development of asthma. view more (2007-07-17)
Chemists Find Too Much Air Sticks Precious Carbon Footballs Together
Ever since researchers discovered a form of carbon consisting of a class of miniature, football-like structures known as fullerenes, they have been racing to use the unique structures in all kinds of novel ways from drug delivery to nanotechnology. However, chemists at the Universities of Warwick and Surrey have found that there could be a major... view more... (1998-12-15)
NIST imaging system maps nanomechanical properties
The National Institute of Standards and Technology (NIST) has developed an imaging system that quickly maps the mechanical properties of materials-how stiff or stretchy they are, for example-at scales on the order of billionths of a meter. view more (2007-12-13)
Armour-plated fish and the evolution of dentists
The discovery of small spikes lining the mouths of primitive fossil fish reveal surprising new details about how early animals fed. New research published today in a Royal Society paper sheds light on how teeth evolved. Primitive fish did not have jaws or fins but were covered in rigid bony scales and resembled small armour-plated submarines. Dr... view more... (2002-01-07)
Nanogenerators convert mechanical energy to electricity for self-powered devices
Researchers have developed a new technique for powering nanometer-scale devices without the need for bulky energy sources such as batteries. view more (2006-04-14)
New reference materials support industrial zeolites
The National Institute of Standards and Technology (NIST) has issued three new reference materials to support researchers studying the properties of commercially important zeolites. view more (2006-09-18)
Nano changes rise to macro importance in a key electronics material
By combining the results of a number of powerful techniques for studying material structure at the nanoscale, a team of researchers from the National Institute of Standards and Technology (NIST), working with colleagues in other federal labs and abroad, believe they have settled a long-standing debate over the source of the unique electronic... view more... (2009-04-09)
Pathways of emotion - from cortex to peripheral organs
Walking down a dark alley late at night is enough to give anyone the heebie-jeebies. Your heart starts racing, your palms get clammy and you get ready to run. Now researchers from Boston University have unravelled the neural pathways that transmit information about your surroundings to your organs, enabling them to respond appropriately. The... view more... (2003-10-07)
'World's smallest controlled heat source' studies explosives at the nanoscale
Using nanometer scale analysis techniques and quantities too small to explode, researchers have mapped the temperature and length-sale factors that make energetic materials - otherwise known as explosives - behave the way they do. view more (2006-09-11)
Engineers build DNA 'nanotowers' with enzyme tools
Duke engineers have added a new construction tool to their bio-nanofabrication toolbox. Using an enzyme called TdTase, engineers can vertically extend short DNA chains attached to nanometer-sized gold plates. This advance adds new capability to the field of bio-nanomanufacturing. view more (2005-10-13)
Sandia researchers construct carbon nanotube device that can detect colors of the rainbow
Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, study how those molecules respond to light, observe how the molecules change shapes, and understand other fundamental... view more... (2009-05-01)
New Approach to Structural Safety in Codes and Regulations
The new approach for codifying the design of structures may readily be implemented into the daily business of design of new structures such as housing, industrial buildings, bridges, dams and power plants. However, experts agree that one of the most obvious first applications will be in connection with the forthcoming adoption of the Eurocodes by... view more... (2002-08-21)
UCR scientists manipulate ripples in graphene, enabling strain-based graphene electronics
Graphene is nature's thinnest elastic material and displays exceptional mechanical and electronic properties. view more (2009-07-27)
Rensselaer researchers create tiny magnetic diamonds on the nanoscale
Diamonds have always been alluring, but now a team of scientists has made them truly magnetic - on the nanoscale. view more (2005-09-13)
Bones from blood: scientists aim to break new ground on fractures
Researchers from the University's Department of Biology are heading the EC-backed project to create bone structures from cord blood stem cells for use in the repair of bone defects and fractures. view more (2006-01-31)
Magnetic nanoparticles assembled into long chains
Chains of 1 million magnetic nanoparticles have been assembled and disassembled in a solution of suspended particles in a controlled way. view more (2005-10-21)
Researchers Discover a Potential On-Off Switch for Nanoelectronics
As electronic circuits shrink from finely etched lines in silicon wafers to nearly elusive proportions, researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and Columbia University are studying how electrons flow through a molecular junction-a nanometer scale circuit element that contacts gold atoms... view more... (2009-03-04)
New infrared tool measures silicon wafer thickness
In the last few years, semiconductor circuit features have shrunk to sub-100 nanometer (nm) dimensions, while the size of the thin silicon wafers that these circuits are constructed on has grown from 200 millimeters (mm) to 300 mm (about 12 inches). The payoff is a higher yield of finished devices from fewer wafers. view more (2005-07-15)
Researchers Create New Organic Gel Nanomaterials
Researchers have created organic gel nanomaterials that could be used to encapsulate pharmaceutical, food, and cosmetic products and to build 3-D biological scaffolds for tissue engineering. view more (2006-06-29)
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