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Terahertz pulsed imaging is now used for routine non-destructive testing of pharmaceutical products. The technique provides valuable information about a tablet's coating uniformity and can provide additional information about its core. Terahertz pulsed spectroscopy is a powerful technique in the analysis of polymorphic forms as terahertz region of the electromagnetic spectrum probes intermolecular...
Applicability of the terahertz pulsed spectroscopy (TPS) and the terahertz pulsed imaging (TPI) to detect tulobuterol (TBR) crystal in transdermal tape has been investigated. The TBR crystal was identified by comparison between spectrum of tapes and TBR reference standard. The TBR crystal in patch matrix was successfully detected by the TPS and TPI. These results indicate that the TPS and TPI are...
We report on a study using TPI for imaging breast tumours ex vivo. Several breast samples were imaged and parameters from the time domain impulse functions were used to reveal contrast. Good correlation was found for area and shape of tumour in the THz images compared to that of histology. Terahertz spectroscopy shows that both the absorption coefficient and refractive index were higher for breast...
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