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	Terahertz time-domain spectroscopy of chondroitin sulfate
	Shi, Changcheng1,2; Ma, Yuting2,3; Zhang, Jin2,3; Wei, Dongshan2; Wang, Huabin2; Peng, Xiaoyu2; Tang, Mingjie2; Yan, Shihan2; Zu, Guokun1; Du, Chunlei2
	2018-03-01
摘要	Chondroitin sulfate (CS), derived from cartilage tissues, is an important type of biomacromolecule. In this paper, the terahertz time-domain spectroscopy (THz-TDS) was investigated as a potential method for content detection of CS. With the increase of the CS content, the THz absorption coefficients of the CS/polyethylene mixed samples linearly increase. The refractive indices of the mixed samples also increase when the CS content increases. The extinction coefficient of CS demonstrates the THz frequency dependence to be approximately the power of 1.4, which can be explained by the effects of CS granular solids on THz scattering. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI	10.1364/BOE.9.001350
发表期刊	BIOMEDICAL OPTICS EXPRESS
ISSN	2156-7085
卷号	9期号:3页码:1350-1359
收录类别	SCI
WOS记录号	WOS:000426743300033
语种	英语