Drug evaluation method and drug evaluation device
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United States of America Patent
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Oct 13, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 16, 2013
filing date -
Jan 16, 2013
priority date (Note) -
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Abstract
The drug evaluation device obtains, by an attenuated reflection method using a terahertz wave, an evaluation absorption spectrum for a frequency with respect to a liquid to be evaluated. When crystalline particles are suspended in a liquid, an absorption peak having a peak area corresponding to the amount of suspension appears in its absorption spectrum. Therefore, whether or not and by what ratio crystalline particles are suspended in the liquid can be determined according to whether or not the absorption peak exists and the peak area. When amorphous particles are suspended in the liquid, the baseline of its absorption spectrum lowers according to the ratio of amorphous particles suspended in the liquid. Therefore, whether or not and by what ratio amorphous particles are suspended in the liquid can be determined according to the lowering amount of the baseline.
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