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Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Posted: Nov 4th, 2008
Welcome to Nanowerk – Enjoy exploring the web's most comprehensive nanotechnology and nanoscience resources

Nanowerk is the No. 1 nanotechnology portal. Apart from our unique Nanomaterial Database™, the most extensive industry directory, a packed conference calendar, and complete nanotechnology news coverage, we offer Nanowerk Spotlight: Our daily Nanowerk-exclusive nanotechnology feature looks behind the buzz and the hype. What's hot and new from around the globe. Some stories are more like an introduction to nanotechnology, some are about understanding current developments, and some are advanced reviews of leading edge research.
Read the latest Spotlights below or browse through our vast library of 673 nanotechnology articles.
Nanotechnology scaffolds aid bone grafts and implants
bone_graftPosted: Nov 4th, 2008
Bone grafts are second only to blood transfusions on the list of transplanted materials. With bone grafts, a surgeon replaces missing bone with material from the patient's own body, or a synthetic or natural substitute. Traditional tissue repair techniques, especially with synthetic materials, may lead to poor integration with the existing bone or tissue structure, potentially transfers dangerous pathogens into the body, and sometimes lead to a complete rejection of the graft. To minimize these harmful side effects, researchers are developing sophisticated tissue engineering techniques based on the construction of three-dimensional scaffolds out... nanotechnology article
Nanotechnology that will rock you
rock_concertPosted: Nov 3rd, 2008
Forget boxy loudspeakers. Researchers have now found that just a piece of carbon nanotube thin film could be a practical magnet-free loudspeaker simply by applying an audio frequency current through it. These loudspeakers - which are only tens of nanometers thick, transparent, flexible, and stretchable - can be tailored into many shapes and mounted on a variety of insulating surfaces, such as room walls, ceilings, pillars, windows, flags, and clothes without area limitations. The scientists demonstrated that their CNT loudspeakers can generate sound with wide frequency range, high sound pressure level, and low total harmonic distortion. Another... nanotechnology article
Nanotechnology is key to improving fuel cell performance
platinum_nanoparticlePosted: Oct 31st, 2008
Modern fuel cells have the potential to revolutionize transportation. Like battery-electric vehicles, fuel cell vehicles are propelled by electric motors. But while battery electric vehicles use electricity from an external source and store it in a battery, fuel cells onboard a vehicle are electrochemical devices that convert a fuel's chemical energy directly to electrical energy with high efficiency and without combustion. One of the leading fuel cell technologies developed, in particular for transportation applications, is the proton exchange membrane (PEM) fuel cell, also known as polymer electrolyte membrane fuel cells - both resulting in... nanotechnology article
Real-time observation of crystal growth
crystal_growthPosted: Oct 30th, 2008
Crystalline nanoporous compounds have attracted the attention of scientists and materials engineers because of the interest in creating nanoscale spaces and the novel phenomena in them. Nanoporous materials find applications in many chemical processes such as separation and catalysis and are also heavily researched as storage materials, for instance in hydrogen fuel cells. Researchers still lack a complete understanding of the mechanism that leads to, and occurs during, crystal growth. Only once scientists achieve full control of properties such as composition, structure, size, morphology, and the presence and form of defects within the crystals... nanotechnology article
Boron nanowires shape up to be excellent field emission nanomaterials
boron_nanowiresPosted: Oct 29th, 2008
Nanostructured boron and boron-related compounds have attracted considerable scientific attention to exploit their potential use in high temperature electronics, thermoelectrics, and photovoltaics due to their unique chemical and physical properties, such as chemical inertness, hardness, and adjustable energy bandgap. Boron's theoretical tubular structures may even have higher electrical conductivity than carbon nanotubes (CNTs). So far, carbon nanotubes have been considered the most promising material for field emitters, for instance as electron emitters for field emission displays. Field emission results from the tunneling of electrons from... nanotechnology article
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