Detection and chemical profiling of medicine counterfeits by Raman spectroscopy and chemometrics

Details

Serval ID
serval:BIB_ED62422FD766
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Detection and chemical profiling of medicine counterfeits by Raman spectroscopy and chemometrics
Journal
Analytica Chimica Acta
Author(s)
Dégardin K., Roggo Y., Béen F., Margot P.
ISSN
0003-2670
Publication state
Published
Issued date
10/2011
Peer-reviewed
Oui
Volume
705
Number
1-2
Pages
334-341
Language
english
Abstract
Raman spectroscopy combined with chemometrics has recently become a widespread technique for the analysis of pharmaceutical solid forms. The application presented in this paper is the investigation of counterfeit medicines. This increasingly serious issue involves networks that are an integral part of industrialized organized crime. Efficient analytical tools are consequently required to fight against it. Quick and reliable authentication means are needed to allow the deployment of measures from the company and the authorities. For this purpose a method in two steps has been implemented here. The first step enables the identification of pharmaceutical tablets and capsules and the detection of their counterfeits. A nonlinear classification method, the Support Vector Machines (SVM), is computed together with a correlation with the database and the detection of Active Pharmaceutical Ingredient (API) peaks in the suspect product. If a counterfeit is detected, the second step allows its chemical profiling among former counterfeits in a forensic intelligence perspective. For this second step a classification based on Principal Component Analysis (PCA) and correlation distance measurements is applied to the Raman spectra of the counterfeits.
Keywords
Raman spectroscopy, Chemometrics, Counterfeit medicines, Chemical identification, Profiling, Forensic intelligence
Create date
30/09/2011 8:48
Last modification date
20/08/2019 17:15
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