Polyyne : background info on triple bonded carbon

Polyyne-containing carbon has attracted attention as a new type of carbon material for its unique triple-bond linear structure. It is recognized not only as a new carbon but also as a precursor for the preparation of new types of carbon materials. The polyyne-containing carbon was prepared by electrochemical reduction of a polytetrafluoroethylene (PTFE) film with …

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Material 40 times harder than diamond discovered

Scientists from Bar-Ilan University and the Technion-Israel Institute of Technology say that using nanotechnology, they have discovered a material 40 times harder. Professors Eli Altus, Harold Basch and Shmaryahu Hoz, with doctoral student Lior Itzhaki have published their findings in the Internet edition of the world’s most influential chemistry journal, Angewdte Chemie. The team broke …

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Targeted self-assembly of molecules

Targeted self-assembly could vastly expand the range of structures that could be created from nano-particles. Torquato and colleagues have published a paper in the Nov. 25 issue of Physical Review Letters, the leading physics journal, outlining a mathematical approach that would enable them to produce desired configurations of nanoparticles by manipulating the manner in which …

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Faster analysis of materials

In work that could radically change how engineers search for new materials, MIT researchers have developed a way to test the mechanical properties of almost 600 different materials in a matter of days – a task that would have taken weeks using conventional techniques. The approach of combinatorial arrays and miniturization of analysis and testing …

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Biotechnology’s Newest Chemical Tool

Exploiting biology’s own chemical toolbox, researchers have developed a new technique that will allow them to modify specific sequences within a DNA molecule. The approach will not only help reveal the impact of biochemical alterations to DNA, but could have far-reaching implications for DNA-based medical diagnosis and nanobiotechnology. Combining chemistry with biotechnology, Saulius Klimasauskas, a …

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Yale Engineers Make Standardized Bulk Synthesis Of Nanowires Possible

Development of reliable nanowire fabrication will allow the exploration of the next steps in semiconductor miniaturization. This reported technology produces ten-times the number of NWs as previous technology and sets parameters for standardization of NWs. “This brings nanowires to an interface with the rest of the world of semiconductor research,” said Stern. “Until this point, …

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Nanomedicine: Using nanotech to gain understanding and possibly controlling T-cells

In a new experiment, published last week in Science, Jay Groves and colleagues at the University of California at Berkeley designed an artificial membrane that allows them to begin to answer how receptors on t-cells effect and control immune system response. The membrane has proteins that are constricted in a specific region. When receptors on …

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Other tech: Holographic-memory discs may put DVDs to shame

The discs, developed by InPhase Technologies, based in Colorado, US, hold 300 gigabytes of data and can be used to read and write data 10 times faster than a normal DVD. The company, along with Japanese partner Hitachi Maxell announced earlier in November that they would start selling the discs and compatible drives from the …

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Possible Path to 100+ Qubit Quantum computers

It seems that bubbles of electrons lined up in ultracold liquid helium could be used to build a quantum computer capable of carrying out a staggering 10 to the 30th power simultaneous calculations. To make an electron bubble, start with liquid helium that has been cooled below 2.17 kelvin so that it behaves like a …

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New Tool: Inside a quantum dot: Tracking electrons at trillionths of a second

New Research Enabling Tool: Researchers at the EPFL (Ecole Polytechnique Federale de Lausanne) have developed a new machine that can reveal how electrons behave inside a single nano-object. The results from initial tests on pyramidal gallium-arsenide quantum dots are presented in an article in the November 24 issue of Nature. The machine developed by Professor …

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