3 years ago

Determination of terahertz permittivity of dehydrated biological samples.

He Y, Sun Q, Parrott EPJ, Au C, Pickwell-MacPherson E, Liu K
A key step to transform terahertz imaging to a practical medical imaging modality lies in the understanding the interactions between terahertz (THz) waves and biological tissues. Most of the models in the literature use the permittivity of liquid water to simulate the THz-tissue interactions but they often neglect the contributions from biological background such as proteins and lipids as dehydrated biological samples are experimentally difficult to prepare. In this work, we present a method to prepare thin and flat dehydrated samples which can be easily handled and measured in a transmission setup. Our results will also provide fundamental parameters for modelling THz-tissue interactions.

Publisher URL: https://www.ncbi.nlm.nih.gov/pubmed/28944763

DOI: PubMed:28944763

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