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Latest and Breaking Nanotechnology News

New absorber will lead to better biosensors
(Northwestern University) Northwestern University's Koray Aydin designed a new nanostructure that absorbs ultranarrow bands of light spectrum and can be used in a number of applications, including the creation of more sensitive biosensors.

Story tips from the Department of Energy's Oak Ridge National Laboratory, October 2014
(DOE/Oak Ridge National Laboratory) The Oak Ridge National Laboratory's October 2014 story tips include stories on materials, cyber analytics, automobiles and energy.

Nanoparticles accumulate quickly in wetland sediment
(Duke University) Using mesocosms that closely approximate wetland ecosystems, researchers show carbon nanotubes accumulate quickly in sediments -- a tendency that could indirectly damage aquatic food chains by piggybacking harmful molecules.

Platinum meets its match in quantum dots from coal
(Rice University) Rice University scientists combine graphene quantum dots drawn from common coal with graphene oxide, nitrogen and boron into a catalyst for fuel cells that outperforms platinum.

Novel approach to magnetic measurements atom-by-atom
(Uppsala University) Having the possibility to measure magnetic properties of materials at atomic precision is one of the important goals of today's experimental physics. Such measurement technique would give engineers and physicists an ultimate handle over magnetic properties of nano-structures for future applications. In an article published in Physical Review Letters researchers propose a new method, utilizing properties of the quantum world -- the phase of the electron beam -- to detect magnetism with atom-by-atom precision.

Scientists wield plant viruses against deadly human disease
(Case Western Reserve University) Case Western Reserve University researchers have won grants to customize a plant virus into a vaccine for an aggressive form of breast cancer, and to turn another plant virus into a transporter that delivers clot-busting drugs to a blood clot before it causes a heart attack or stroke.

All directions are not created equal for nanoscale heat sources
(University of Illinois College of Engineering) Thermal considerations are rapidly becoming one of the most serious design constraints in microelectronics, especially on submicron scale lengths. A study by researchers from the University of Illinois at Urbana-Champaign has shown that standard thermal models will lead to the wrong answer in a three-dimensional heat-transfer problem if the dimensions of the heating element are on the order of one micron or smaller.

Ultrafast remote switching of light emission
(Eindhoven University of Technology) Researchers from Eindhoven University of Technology can now for the first time remotely control a miniature light source at timescales of 200 trillionth of a second. They published the results on September 2014 in the online journal Nature Nanotechnology. Physicists from the Photonics and Semiconductor Nanophysics group at Eindhoven, under the leadership of prof. Andrea Fiore, have developed a way of remotely controlling the nanoscale light sources at an extremely short timescale. These light sources are needed to be able to transmit quantum information.

Blades of grass inspire advance in organic solar cells
(University of Massachusetts at Amherst) Briseno's research group is one of very few in the world to design and grow organic single-crystal p-n junctions. He says, 'This work is a major advancement in the field of organic solar cells because we have developed what the field considers the 'Holy Grail' architecture for harvesting light and converting it to electricity.' The breakthrough in morphology control should have widespread use in solar cells, batteries and vertical transistors, he adds.

A new dimension for integrated circuits: 3-D nanomagnetic logic
(Technische Universitaet Muenchen) Electrical engineers at the Technische Universitat Munchen have demonstrated a new kind of building block for digital integrated circuits. Their experiments show that future computer chips could be based on three-dimensional arrangements of nanometer-scale magnets instead of transistors. As CMOS, the main enabling technology of the semiconductor industry, approaches fundamental limits, Technische Universitat Munchen researchers and collaborators at Notre Dame are exploring 'magnetic computing' as an alternative. They report their latest results in the journal Nanotechnology.

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