Physics of Biology


Longer Wavelength Optical Coherence Tomography

Authors: George Rajna

Optical coherence tomography (OCT) is a light-based imaging technique currently used in clinical diagnostics to examine organs in vivo. [17] This new approach illuminates the origin of surface electromagnetic waves and explains why these waves appear at interfaces where one of the medium parameters (dielectric permittivity or magnetic permeability) changes its sign. [16] A team of physicists headed by Professor Sebastian Reineke of TU Dresden has developed a new method of storing information in fully transparent plastic foils. [15] A new electron microscopy technique that detects the subtle changes in the weight of proteins at the nanoscale—while keeping the sample intact—could open a new pathway for deeper, more comprehensive studies of the basic building blocks of life. [14]

Comments: 29 Pages.

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[v1] 2019-02-05 14:19:06

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