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    Category Physics

    Organic Computers are coming

    July 17, 2016, Categories  Physics, Technology/Electronics

    The energy levels of the studied systems and a synchrotron X-ray diffractogram measured on a thin film of an organic semiconductor doped with a derivative of [3]-radialene. Credit: The Lomonosov Moscow State University

    The energy levels of the studied systems and a synchrotron X-ray diffractogram measured on a thin film of an organic semiconductor doped with a derivative of [3]-radialene. Credit: The Lomonosov Moscow State University

    Scientists found a Molecule that will help to make organic electronic devices. A derivative of [3]-radialene, a molecule known to the science for nearly 30 years, can be used to create organic semiconductors. Dmitry Ivanov, Moscow State University, believes the achievement will greatly contribute to the development of organic electronics and, in particular, to fabrication of organic LEDs and new classes of organic solar cells.

    Organic or “plastic” electronics is a relatively young scientific field, which came to life about 15-20 years ago...

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    ‘Smart’ Nanoparticle called PEARLs a promising gem to Target, Treat Tumors

    July 15, 2016, Categories  Biology/Biotechnology, Physics, Health/Medical, Chemistry/Nanotechnology

    “Smart” nanoparticle called PEARLs a promising gem to target, treat tumours with_2016-07-15_15-25-11

    Controlling Spatial Heat and Light Distribution by Using Photothermal Enhancing Auto-Regulated Liposomes (PEARLs).

    Dr. Gang Zheng and a team of biomedical researchers have discovered a “smart” organic, biodegradable nanoparticle that uses heat and light in a controlled manner to potentially target and ablate tumours with greater precision. The proof-of-concept findings provide a viable approach to boosting the clinical utility of photo-thermal therapy in treating cancer, says Dr. Zheng, Senior Scientist at the Princess Margaret and Professor of Medical Biophysics at the University of Toronto.He talks about and demonstrates the research at https://youtu.be/EEN6Mz5iWBI.

    In the lab, using phantom models, the “smart” nanoparticle the team has dubbed PEARLs – photo-thermal enhancing auto-regula...

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    ‘Green’ Electronic Materials Produced with Synthetic Biology

    July 15, 2016, Categories  Biology/Biotechnology, Physics, Technology/Electronics

    Synthetic biowire are making an electrical connection between two electrodes. Researchers led by microbiologist Derek Lovely at UMass Amherst say the wires, which rival the thinnest wires known to man, are produced from renewable, inexpensive feedstocks and avoid the harsh chemical processes typically used to produce nanoelectronic materials. Credit: UMass Amherst

    Synthetic biowire are making an electrical connection between two electrodes. Researchers led by microbiologist Derek Lovely at UMass Amherst say the wires, which rival the thinnest wires known to man, are produced from renewable, inexpensive feedstocks and avoid the harsh chemical processes typically used to produce nanoelectronic materials. Credit: UMass Amherst

    A genetically designed strain of bacteria spins out very thin and highly conductive wires made up of solely of non-toxic, natural amino acids. Researchers led by microbiologist Derek Lovely say the wires, which rival the thinnest wires known to man, are produced from renewable, inexpensive feedstocks and avoid the harsh chemical processes typically used to produce nanoelectronic materials...

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    Luminescent Compounds developed that Change Emission Colors on Mechanical Stimuli

    July 15, 2016, Categories  Physics, Technology/Electronics, Chemistry/Nanotechnology

    Changes in colors emitted through mechanochromism a) When the blue crystal in emission was ground at the center, the color turned yellow. b) A round filter paper thinly coated with blue mechanochromic molecules in emission. The yellowish letters “Au” appeared after scratching the surface with a spatula. Credit: Image courtesy of Hokkaido University

    Changes in colors emitted through mechanochromism a) When the blue crystal in emission was ground at the center, the color turned yellow. b) A round filter paper thinly coated with blue mechanochromic molecules in emission. The yellowish letters “Au” appeared after scratching the surface with a spatula. Credit: Image courtesy of Hokkaido University

    In mechanochromism, certain solid and liquid crystalline materials change their photoluminescence properties upon mechanical stimulation, such as grinding, ball-milling and crushing. Although such compounds have attracted much attention with hopes of various applications, it has heretofore been thought difficult to synthesize mechanochromic compounds with desired emission properties and behaviors as each molecule emits different color.

    A tea...

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