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CAO Yan, LI Shu, LU Feng. A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy[J]. Journal of Pharmaceutical Practice and Service, 2007, (5): 292-294.
Citation: CAO Yan, LI Shu, LU Feng. A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy[J]. Journal of Pharmaceutical Practice and Service, 2007, (5): 292-294.

A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy

  • Received Date: 2006-10-24
  • Objective :To modify a patent method concerning determination of synthetic drugs in traditional chinese medicines based on infrared spectroscopy,in order to improve the accuracy of judgment. Methods : The influences of two different derivative methods and random sampling intervals on prediction were observed. Results :Several parameters were optimized. Results :Better results could be obtained by direct finite difference method(DFDM) or curve fitting method(with small window size),coupled with random sampling intervals extending to negative range. Conclusion : The proposed modification improved the accuracy of the previous patent method.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy

Abstract: Objective :To modify a patent method concerning determination of synthetic drugs in traditional chinese medicines based on infrared spectroscopy,in order to improve the accuracy of judgment. Methods : The influences of two different derivative methods and random sampling intervals on prediction were observed. Results :Several parameters were optimized. Results :Better results could be obtained by direct finite difference method(DFDM) or curve fitting method(with small window size),coupled with random sampling intervals extending to negative range. Conclusion : The proposed modification improved the accuracy of the previous patent method.

CAO Yan, LI Shu, LU Feng. A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy[J]. Journal of Pharmaceutical Practice and Service, 2007, (5): 292-294.
Citation: CAO Yan, LI Shu, LU Feng. A modified method for evaluation of synthetic drug adulterated in traditional Chinese medicines by infrared spectroscopy[J]. Journal of Pharmaceutical Practice and Service, 2007, (5): 292-294.

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