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Wednesday, 10 March 2010 06:28
Nano Tech
Nano-Crystals kill resistant bacteria Print E-mail

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Bacteria tracked and killed by a red light.
 

With the help of nano-crystals have a group of researchers managed to identify and kill antibiotic-resistant bacteria?

A group of researchers associated with the University of Muenster have shown that the zeolite L crystals can adhere to the bacteria, highlight them and eventually kill them. Doctor Cristian Strassert is one of the researchers.

Nano-particles have been added that allows them to attach to the bacteria. The particles are also provided with a dye that shows green color under a flu-orensmikroskop, which makes it possible to identify the bacteria.

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Success in record time Print E-mail

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Helmholtz Center for Environmental

Emission-free driving, clean water, great progress in the fight against cancer and HIV - the wonders of technology solves all our problems?

The driver provides gas, the car accelerates, but from the exhaust stream is not the usual exhaust plumes, but only hot air. This is because of the unusual fuel instead of diesel or gasoline engines ignite in tiny metal particles, called nanoparticles of iron, aluminum or boron The combustion are oxides of a particle completely recovered. For this drive should be standard engines hardly modified.

 

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On the way to artificial nose Print E-mail
Vibrating molecules Nanosaiten catch
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Nanosaite as a sensor molecule

Nanoscientists from Munich are an important step forward towards the artificial nose succeeded. You have Nanosaiten silicon nitride, which as probe individual molecules erschnuppern can.

Artificial noses are so-called Nano-Electromechanical Systems (NEMS), chips, on which many Nanosaiten thin with a diameter of 100 nanometers (one ten thousandth millimeter), are appropriate. These strings are coated so that a particular molecule places attract. To measure the strings into vibrations. When a molecule to determine the string vibrates measurably heavier and slower, "A measurement of the oscillation period, thus allowing chemical substances molecule demonstrate exactly," says Quirin Unterreith Meier, a physicist at the Ludwig-Maximizing- Universidad (LMU) in Munich.
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Experimentally investigated the important properties of a graph Print E-mail

ImageUsing innovative techniques and modern equipment group of researchers from the Georgia Institute of Technology (Georgia Institute of Technology) and the National Institute of Standards and Technology (NIST), United States conducted a direct measurement of the energy spectrum of charge carriers in grafene - so promising two-dimensional form of carbon, the properties that intrigue researchers now already 5 years old.

The results of experiments and equipment used for research, scientists have published in the journal Science (Observing the Quantization of Zero Mass Carriers in Graphene)

Last Updated ( Sunday, 17 May 2009 )
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A new form of carbon, the hardness close to diamond Print E-mail

ImageAn international team of researchers, which included Russian, Chinese and American physicists, reported the receipt of new structural forms of carbon, for many physical properties located between graphite and diamond, and the hardness - even approaching the diamond.

The results of studies and projections, the authors reported online journal Nature.com (Carbon that cracks diamond).

The authors described a new form of carbon-M (M-carbon), because its crystal structure corresponds to monoclinic Syngony - one of the seven main crystallographic forms. M-carbon was obtained by compression of graphite into diamond grip with a force of 130 thousand atmospheres without heating. When reducing the pressure of the M-carbon can move into other forms.

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Automation
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Space
Chinese aircraft manufacturer AVIC

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