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A research team led by Zhen Tian and Jiao Li at Tianjin University developed a method for analyzing water-rich samples using time-domain terahertz (THz) optoacoustics. The method overcomes a bottleneck that prevented the use of THz radiation in the investigation of biophysical and biochemical processes deep within tissues.
THz radiation can be used successfully to analyze the structural dynamics of water and biomolecules, though applying the technique to aqueous solutions and tissues has been challenging; THz radiation is strongly absorbed by water. That property helps in certain instances, such as analyzing the structure of water and its interactions with biological solutes, though it limits the thickness of samples that can be…READ MORE