Viele Zellen sind zu aktiver Bewegung faehig. Sie benutzen dazu einen inneren Antrieb mit Recycling-Funktion. Forschern gelang es mittels Kryo-Elektronentomographie, den Vorgang buchstaeblich einzufrieren und den molekularen Motor wirklichkeitsgetreu darzustellen.
Apr 28th, 2010
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A team of scientists working at beamline 9.0.1 of the Advanced Light Source (ALS) at the Lawrence Berkeley National Laboratory has used x-ray diffraction microscopy to make images of whole yeast cells, achieving the highest resolution - 11 to 13 nanometers - ever obtained with this method for biological specimens.
Apr 27th, 2010
Read moreLower CO2 emissions demand more renewable energy in the energy system. This calls for new solutions that take account of the considerable variations in the amount of wind energy, hydropower, solar energy etc. One of the solutions is a distributed energy system. Here it must be possible to store surplus energy locally using, for example, local SPEC electrolytic cells. The foundation for this technology is being developed by the CASE research project.
Apr 27th, 2010
Read moreScientists are combining the 3-D capability of MRI with the precision of a technique called atomic force microscopy. This combination enables 3-D visualization of tiny specimens such as viruses, cells and potentially structures inside cells - a 100-million-fold improvement over MRI used in hospitals.
Apr 27th, 2010
Read moreWith the aid of nanotechnology, fossil fuels, like diesel, can be used more efficiently and more environmentally friendly in available motors.
Apr 27th, 2010
Read moreBerkeley Lab scientists have established a revolutionary nanocrystal-making robot, capable of producing nanocrystals with staggering precision. This one-of-a-kind robot provides colloidal nanocrystals with custom-made properties for electronics, biological labeling and luminescent devices.
Apr 27th, 2010
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New study shows graphene could help prevent fracture and fatigue failure in composite-based structures including windmill blades and aircraft wings.
Apr 26th, 2010
Read moreTiny, melanin-covered nanoparticles may protect bone marrow from the harmful effects of radiation therapy, according to scientists at Albert Einstein College of Medicine of Yeshiva University who successfully tested the strategy in mouse models.
Apr 26th, 2010
Read moreNanotechnologists from the MESA+ research institute of the University of Twente have discovered that the photosynthesis system of bacteria can be used to transport light over relatively long distances.
Apr 26th, 2010
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Discovery supports development of nanoscale magnetic storage devices.
Apr 26th, 2010
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Rice University researchers and their colleagues in Finland and Hungary have found a way to make carbon nanotube membranes that could find wide application as extra-fine air filters and as scaffolds for catalysts that speed chemical reactions.
Apr 26th, 2010
Read moreThe technology consortium Extreme Ultraviolet Lithography System Development Association (EUVA), today announced that its extreme ultraviolet (EUV) light source has achieved a power output of 104 Watts at the intermediate focus, at which EUV is effectively radiated.
Apr 26th, 2010
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A new form of platinum that could be used to make cheaper, more efficient fuel cells has been created by researchers at the Department of Energy's SLAC National Accelerator Laboratory and the University of Houston.
Apr 26th, 2010
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New technique improves researchers' ability to measure a key property of material surfaces.
Apr 26th, 2010
Read moreA paper appearing in the April 25 issue of Physical Review Letters reports on the efforts of a team of Japanese physicists who probed the changes in a magnetic shape-memory material at the molecular scale.
Apr 26th, 2010
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Scientists have managed to accurately determine the location of metal complexes within living cancer cells using Raman microscopy. The researchers have thus gained new insights into the mechanism of action of metal-containing drugs, to which they ascribe great potential capacities, e.g. in the treatment of cancer.
Apr 26th, 2010
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