Stanford chemists working with engineers have successfully created the first synthetic materials that is capable of both healing itself and is sensitive to touch. The outlook on this new technology aims for smart electronics that can repair themselves.
By allowing researchers to monitor Nitric Oxide (NO) molecules in living animals it will provide us with better understanding of cancerous cells, all of which can now be achieved with a Nanotube-based sensor.
Carbon nanotubes can create a 'perfect black' that visually wipes out a dimension, making 3D objects look 2D. When draped over a substance, a thin coat of them renders the object invisible by absorbing all the light coming in.
Carbon Nanotubes are being created that can visually wipe out a dimension and create a 'perfect black'. Minor invisibility may not be a thing of science fiction for much longer. Similar substances are suspected to account for "missing matter" in the universe.
AFPNanotechnology Leaps Forward With New Cancer DrugWebProNewsBy Mike Tuttle · 13 hours ago · Leave a Comment A team of scientists, engineers and physicians have found promising effects of a first-in-class targeted cancer drug called BIND-014 in...
National Geographic Pictures: Nano "Flowers" Created in Lab - National Geographic News National Geographic A flower fit for a Lilliputian maiden, this microscopic "rose" was grown in a laboratory at Harvard University using a solution of chemicals...
Thanks to a little serendipity, Rice University scientists have created a tiny coaxial cable that is about a thousand times smaller than a human hair and has higher capacitance than previously reported microcapacitors. This nanocable was produced with techniques pioneered in the nascent graphene research field and could be used to build next-generation energy-storage systems. It could also find use in wiring up components of lab-on-a-chip processors, but its discovery is owed partly to chance. “We didn’t expect to create this when we started,” said study co-author Jun Lou, associate professor of mechanical engineering and materials science at Rice. “At the outset, we were just curious to see what would happen electrically and mechanically if we took small copper wires known as interconnects and covered them with a thin layer of carbon.”
The tiny coaxial cable is remarkably similar in makeup to the ones that carry cable television signals into millions of homes and offices. The heart of the cable is a solid copper wire that is surrounded by a thin sheath of insulating copper oxide. A third layer, another conductor, surrounds that. In the case of TV cables, the third layer is copper again, but in the nanocable it is a thin layer of carbon measuring just a few atoms thick. The coax nanocable is about 100 nanometers, or 100 billionths of a meter, wide.
While the coaxial cable is a mainstay of broadband telecommunications, the three-layer, metal-insulator-metal structure can also be used to build energy-storage devices called capacitors. Unlike batteries, which rely on chemical reactions to both store and supply electricity, capacitors use electrical fields. A capacitor contains two electrical conductors, one negative and the other positive, that are separated by thin layer of insulation. Separating the oppositely charged conductors creates an electrical potential, and that potential increases as the separated charges increase and as the distance between them – occupied by the insulating layer — decreases. The proportion between the charge density and the separating distance is known as capacitance, and it’s the standard measure of efficiency of a capacitor.
Building entire multiple-component devices on single nanowires is a promising strategy for miniaturizing electronic applications. Here we demonstrate a single nanowire capacitor with a coaxial asymmetric Cu-Cu2O-C structure, fabricated using a two-step chemical reaction and vapour deposition method. The capacitance measured from a single nanowire device corresponds to ~140 μF cm−2, exceeding previous reported values for metal–insulator–metal micro-capacitors and is more than one order of magnitude higher than what is predicted by classical electrostatics. Quantum mechanical calculations indicate that this unusually high capacitance may be attributed to a negative quantum capacitance of the dielectric–metal interface, enhanced significantly at the nanoscale.
Cyborg tissue is becoming more than fiction thanks to research by a team of Harvard and MIT scientists who have engineered nano-sized electrical wire scaffolds that can be placed inside living tissue. It’s a technology they hope will become a fundamental part of drug development and aid in replacing damaged tissue in the human body.
nation.lk - The Nation Newspaper Advancements in Nanotechnology herald new industrial revolution nation.lk - The Nation Newspaper A new wave of industrial revolution is being created at the labs at Sri Lanka's first Nanotechnology and Science Park...
New Material Allows Electronics to StretchMashableSeokwoo Jeon, an assistant professor of materials science and engineering at the Korea Advanced Institute of Science and Technology, led the research, which appears in the June 26 issue of Nature...
Nanowerk LLCNanotechnology-equipped cell phones detect harmful airborne substancesNanowerk LLC(Nanowerk News) The lab of a University of California, Riverside Bourns College of Engineering professor was named on Tuesday, April 3 after Innovation Economy...
The scientists exposed a tiny liquid “cell” or pouch that contained gold nanoparticles covered with a positively charged coating to an intense beam of electrons generated with a transmission electron microscope. Some of the electrons that penetrated the outside of the cell became trapped in the fluid medium in the cell. These “hydrated” electrons attracted the positively charged nanoparticles, which in time reduced the intensity of charge of the positive coating.
Scientists witness the behavior of nano particles in real time. Furthering knowledge of basic functionality will greatly assist researchers with incorporating the technology in a range of applications for the future.
Carbon nanomaterials such as nanotubes or graphene not only are widely researched for their potential uses in industrial applications, they also are of great interest to biomedical engineers working on nanotechnology ...
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