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   A Linear Principal Component Regression and Nonlinear Neural Network Model for Determination of Indomethacin in Plasma Samples Using UV-Vis Spectroscopy and Comparison with HPLC  
   
نویسنده Bahrami Gholamreza ,Nabiyar Hamid ,Sadr Javadi Komail ,Shahlaei Mohsen
منبع journal of reports in pharmaceutical sciences - 2015 - دوره : 4 - شماره : 1 - صفحه:82 -100
چکیده    A sensitive and selective method using combination of two chemometrics methods, principal component analysis (pca) and artificial neural network (ann), and uv-visible spectroscopy has been developed for the determination of indomethacin (idm) in plasma samples. initially the absorbance spectra were processed using pca to noise reduction and data compression. the scores of these pcs were used as the inputs of ann. the ann trained by the back-propagation learning was employed to model the complex non-linear relationship between the pcs extracted from uv-visible spectra of idm and the absorbance values. nonlinear method (pc-ann) was better than the pcr method considerably in the goodness of fit and predictivity parameters and other criteria for evaluation of the proposed model. optimal ann model were as follows: number of input pcs: 2, number of neurons in hidden layer: 3. the linear calibration range was 1×10^-7 to 2.4×10^-6 m, the detection limit were 0.21 × 10^-7 m., the results have been compared with those obtained by the hplc method.
کلیدواژه Principal Component analysis ,Artificial Neural Network ,Indomethacin ,HPLC
آدرس kermanshah university of medical sciences, Medical Biology Research Center, ایران, kermanshah university of medical sciences, Student Research Committee, ایران, kermanshah university of medical sciences, Faculty of Pharmacy, Pharmaceutical Sciences Research Center, ایران, kermanshah university of medical sciences, Nano Drug Delivery Research Center, ایران
 
     
   
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