Condensed Matter

   

Nanophotonic Circuits Holography

Authors: George Rajna

A photonic crystal chip is illuminated with violet laser light that is patterned by a spatial light modulator. The patterned laser light effectively cancels atomic-scale disorder. [22] Researchers at UTS, as part of a large international collaboration, have made a breakthrough in the development of compact, low-cost and practical optical microscopy to achieve super-resolution imaging on a scale 10 times smaller than can currently be achieved with conventional microscopy. [21] At Caltech, a group of researchers led by Assistant Professor of Bioengineering Lulu Qian is working to create circuits using not the usual silicon transistors but strands of DNA. [20] Researchers have introduced a new type of "super-resolution" microscopy and used it to discover the precise walking mechanism behind tiny structures made of DNA that could find biomedical and industrial applications. [19] Genes tell cells what to do—for example, when to repair DNA mistakes or when to die—and can be turned on or off like a light switch. Knowing which genes are switched on, or expressed, is important for the treatment and monitoring of disease. Now, for the first time, Caltech scientists have developed a simple way to visualize gene expression in cells deep inside the body using a common imaging technology. [18] Researchers at The University of Manchester have discovered that a potential new drug reduces the number of brain cells destroyed by stroke and then helps to repair the damage. [17]

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[v1] 2017-02-24 10:45:01

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