生物医学组织太赫兹成像中的冻融滞后效应。
Freeze-thaw hysteresis effects in terahertz imaging of biomedical tissues.
作者信息
He Yuezhi, Ung Benjamin S-Y, Parrott Edward P J, Ahuja Anil T, Pickwell-MacPherson Emma
机构信息
Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
出版信息
Biomed Opt Express. 2016 Oct 26;7(11):4711-4717. doi: 10.1364/BOE.7.004711. eCollection 2016 Nov 1.
Abstract
There have recently been several studies published involving terahertz (THz) imaging of frozen biomedical samples. In this paper, we investigate the effects of the freeze-thaw cycle on THz properties of porcine muscle and fat samples. For ordinary freezing, there was a significant change in the THz properties after thawing for muscle tissue but not for fat tissue. However, if snap-freezing was combined with fast-thawing instead of ordinary freezing and ordinary thawing, then the freeze-thaw hysteresis was removed.
摘要
最近有几项关于冷冻生物医学样本太赫兹（THz）成像的研究发表。在本文中，我们研究了冻融循环对猪肌肉和脂肪样本太赫兹特性的影响。对于普通冷冻，解冻后肌肉组织的太赫兹特性有显著变化，而脂肪组织则没有。然而，如果将速冻与快速解冻相结合，而不是普通冷冻和普通解冻，那么冻融滞后现象就会消除。
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