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. 2011 Aug 31;3(3):582–600. doi: 10.3390/pharmaceutics3030582

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© 2011 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 5. — XRPD patterns of the material obtained from using the mixing design at 25 °C as a function of screw speed shown comparison to the preblend. Caffeine reflections are marked with an arrow. Screw speed (residence time) has a minimal impact on the extent of conversion to the cocrystal.