Physics of Biology

   

Neural Activity in Mouse Brain

Authors: George Rajna

Columbia scientists have traced the origins of mysterious signals in the brain that have captivated the functional magnetic resonance imaging (fMRI) community for the last decade. Using a recently developed imaging technique in mice, the Columbia team revealed synchronized, network-like neural activity coursing around the brain, even when the mouse was 'at rest.' [21] A major challenge in truly targeted cancer therapy is cancer's suppression of the immune system. Northwestern University synthetic biologists now have developed a general method for "rewiring" immune cells to flip this action around. [20] Scientists at the University of Bonn have succeeded in observing an important cell protein at work using a method that measures structural changes within complex molecules. [19] Scientists have now explored a modified form that can produce light-generated electrons and store them for catalytic hydrogen production even after the light has been switched off. They present this biomimetic photosynthesis approach in the journal Angewandte Chemie. [18] Scientists at The Australian National University (ANU) have designed a nano crystal around 500 times smaller than a human hair that turns darkness into visible light and can be used to create lightweight night-vision glasses. [17] Magnets instead of antibiotics could provide a possible new treatment method for blood infection. [16] One of the biggest challenges in cognitive or rehabilitation neurosciences is the ability to design a functional hybrid system that can connect and exchange information between biological systems, like neurons in the brain, and human-made electronic devices. [15] Wearable terahertz scanning device for inspection of medical equipment and the human body. [14] Optical microscopy experts at Colorado State University are once again pushing the envelope of biological imaging. [13] Researchers at the University of Melbourne have developed a way to radically miniaturise a Magnetic Resonance Imaging (MRI) machine using atomic-scale quantum computer technology. [12]

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[v1] 2016-12-12 14:33:07

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