AAPS PharmSciTech

, Volume 8, Issue 4, pp 109–119 | Cite as

Determination of figures of merit for near-infrared and raman spectrometry by net analyte signal analysis for a 4-component solid dosage system

  • Steven M. Short
  • Robert P. Cogdill
  • Carl A. Anderson
Article

Abstract

Process analytical technology has elevated the role of sensors in pharmaceutical manufacturing. Often the ideal technology must be selected from many suitable candidates based on limited data. Net analyte signal (NAS) theory provides an effective platform for method characterization based on multivariate figures of merit (FOM). The objective of this work was to demonstrate that these tools can be used to characterize the performance of 2 dissimilar analyzers based on different underlying spectroscopic principles for the analysis of pharmaceutical compacts. A fully balanced, 4-constituent mixture design composed of anhydrous theophylline, lactose monohydrate, microcrystalline cellulose, and starch was generated; it consisted of 29 design points. Six 13-mm tablets were produced from each mixture at 5 compaction levels and were analyzed by near-infrared and Raman spectroscopy. Partial least squares regression and NAS analyses were performed for each component, which allowed for the computation of FOM. Based on the calibration error statistics, both instruments were capable of accurately modeling all constituents. The results of this work indicate that these statistical tools are a suitable platform for comparing dissimilar analyzers and illustrate the complexity of technology selection.

Keywords

Near-infrared Raman partial least squares analyte signal calibration tablet 

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Copyright information

© American Association of Pharmaceutical Scientists 2007

Authors and Affiliations

  • Steven M. Short
    • 1
  • Robert P. Cogdill
    • 1
  • Carl A. Anderson
    • 1
  1. 1.Duquesne University Center for Pharmaceutical TechnologyPittsburgh

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