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JoVE Journal
Engineering

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Coherent anti-Stokes Raman Scattering (CARS) Microscopy Visualizes Pharmaceutical Tablets During Dissolution
 

Coherent anti-Stokes Raman Scattering (CARS) Microscopy Visualizes Pharmaceutical Tablets During Dissolution

Article DOI: 10.3791/51847-v 09:59 min July 4th, 2014
July 4th, 2014

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Summary

Coherent anti-Stokes Raman scattering (CARS) microscopy is combined with an intrinsic flow-through dissolution setup to allow in situ and real-time visualization of the surface of pharmaceutical tablets undergoing dissolution. Using this custom-built setup, it is possible to correlate CARS videos with drug dissolution profiles recorded using inline UV absorption spectroscopy.

Tags

Coherent Anti-Stokes Raman Scattering Microscopy CARS Microscopy Pharmaceutical Tablets Dissolution Testing Drug Concentration Theophylline Anhydrate Ethyl Cellulose In Situ Imaging UV Absorption Spectroscopy Surface Changes Dissolution Rates
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