Abstract

We achieved continuous, noncontact wide-field imaging and characterization of drug release from a polymeric device in vitro by uniquely using off-axis interferometric imaging. Unlike the current gold-standard methods in this field, which are usually based on chromatography and spectroscopy, our method requires no user intervention during the experiment and involves less lab consumable instruments. Using a simplified interferometric imaging system, we experimentally demonstrate the characterization of anesthetic drug release (Bupivacaine) from a soy-based protein matrix, which is used as a skin substitute for wound dressing. Our results demonstrate the potential of interferometric imaging as an inexpensive and easy-to-use alternative for characterization of drug release in vitro.

© 2013 Optical Society of America

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