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DUAN Rui-Xin, ZHAO Hong-Wei, ZHU Yi-Ming. Drug detection by terahertz time-domain spectroscopy[J]. PHYSICS, 2013, 42(11): 781-787. DOI: 10.7693/wl20131103
Citation: DUAN Rui-Xin, ZHAO Hong-Wei, ZHU Yi-Ming. Drug detection by terahertz time-domain spectroscopy[J]. PHYSICS, 2013, 42(11): 781-787. DOI: 10.7693/wl20131103

Drug detection by terahertz time-domain spectroscopy

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  • Received Date: November 11, 2013
  • Revised Date: November 11, 2013
  • Published Date: November 11, 2013
  • Due to unique spectral region, functional imaging ability, excellent penetration and safety characteristics of terahertz radiation, the terahertz technology rapidly becomes a vital method to detect and analyze drugs. In this paper, firstly, we identify the functional groups of anti-diabetic drugs by density functional theory (DFT), HIPHOP models and experimental results from terahertz time-domain spectroscopy measurements. Secondly, we identify four kinds of herbs of radix curcumae by using the support vector machine (SVM) analysis. Besides, we analyze the absorption of anhydrous and hydrous glucose, and determine the state of water in the crystalized D-glucose·H2O through the results of differential scanning calorimetry measurement. Finally, we summarize the advantages and disadvantages of terahertz time-domain spectroscopy method in drug detection and analyzation.
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