Calorimetry for polymorph detection
publication date: Mar 27, 2007
Characterising the properties of a material, understanding how these properties change in relation to local environment and quantifying potential interactions with other species are facets central to any drug development programme. Not understanding and, more importantly, not controlling these factors can have serious consequences for a pharmaceutical, from irreproducible processing to poor bioavailability, product instability and, worse, patentability. Properties that may be characterised include solubility, dissolution rate, stability (in combination with other excipients and as a function of relative humidity and temperature) and per cent crystallinity (or amorphous content).
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