Review of terahertz pulsed imaging for pharmaceutical film coating analysis

Alves-Lima, D. and Song, J. and Li, X. and Portieri, A. and Shen, Y. and Zeitler, J.A. and Lin, H. (2020) Review of terahertz pulsed imaging for pharmaceutical film coating analysis. Sensors, 20 (5): 1441. ISSN 1424-8220

Abstract

Terahertz pulsed imaging (TPI) was introduced approximately fifteen years ago and has attracted a lot of interest in the pharmaceutical industry as a fast, non-destructive modality for quantifying film coatings on pharmaceutical dosage forms. In this topical review, we look back at the use of TPI for analysing pharmaceutical film coatings, highlighting the main contributions made and outlining the key challenges ahead.