Physics of Biology

   

Terahertz Radiation Benefits Biomedicine

Authors: George Rajna

Scientists from ITMO University for the first time in the world managed to directly measure the nonlinear refractive index of matter in the terahertz range. [26] Researchers at the UPV/EHU-University of the Basque Country have developed a biomedical device for cell immune-isolation (microcapsules) with luminescence for in vivo tracking. [25] Using x-rays to reveal the atomic-scale 3-D structures of proteins has led to countless advances in understanding how these molecules work in bacteria, viruses, plants, and humans-and has guided the development of precision drugs to combat diseases such as cancer and AIDS. [24] How did life arise on Earth? Rutgers researchers have found among the first and perhaps only hard evidence that simple protein catalysts-essential for cells, the building blocks of life, to function-may have existed when life began. [23] A new method allows researchers to systematically identify specialized proteins that unpack DNA inside the nucleus of a cell, making the usually dense DNA more accessible for gene expression and other functions. [22] Bacterial systems are some of the simplest and most effective platforms for the expression of recombinant proteins. [21] Now, in a new paper published in Nature Structural & Molecular Biology, Mayo researchers have determined how one DNA repair protein gets to the site of DNA damage. [20] A microscopic thread of DNA evidence in a public genealogy database led California authorities to declare this spring they had caught the Golden State Killer, the rapist and murderer who had eluded authorities for decades. [19] Researchers at Delft University of Technology, in collaboration with colleagues at the Autonomous University of Madrid, have created an artificial DNA blueprint for the replication of DNA in a cell-like structure. [18]

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[v1] 2019-05-27 10:22:59

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