Injection by Near Infrared Diffuse Reflectance Spectroscopy
SONG Yan1, 2, XIE Yun-fei1, ZHANG Yong3, 4, LI Zhi-shi1, CONG Qian3, ZHAO Bing1*
1. State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China 2. Center for New Drugs Research, Changchun University of Traditional Chinese Medicine, Changchun 130117, China 3. Key Laboratory for Terrain-Machine Bionics Engineering, Ministry of Education, Jilin University, Changchun 130022, China 4. College of Information Engineering, Jilin Teachers’ Institute of Engineering and Technology, Changchun 130052, China
Abstract：In the present study, a total of 47 levofloxacin hydrochloride injection samples were detected by near infrared (NIR) spectroscopy, and 37 samples were randomly selected to establish the quantitative models by partial least squares (PLS) and artificial neural network (ANN) technology, while other 12 samples were used for prediction. On the one hand, the model was established by PLS, the coefficient of determination (R2) of the prediction is 0.964, and the root mean squared error of prediction (RMSEP) is 0.242 8. On the other hand, after the spectrum variables were highly effectively compressed using the wavelet transformation technology, the quantitative analysis model of levofloxacin hydrochloride was established through the ANN technology. The R2 and RMSEP of the model is 0.944 and 0.572 2，respectively. In this work, we have a detailed comparison between the two technologies in the progress of two quantitative models and optimizing correlative parameter, and finally we got a satisfied result. The simulation experiment indicated that the above PLS model is more steady and precise than ANN model, which can get hold of a rapid and nondestructive quantitative analysis result of the injection. Thus, the research can provide powerful scientific basis and technical support for further analysis of levofloxacin hydrochloride injection.
Key words：Near infrared spectroscopy;Partial least squares;Artificial neural network;Levofloxacin hydrochloride
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