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Kinetic Retraction at the Onset of Concomitant Crystallization and Implication on Polymorphic Formation. | LitMetric

Kinetic Retraction at the Onset of Concomitant Crystallization and Implication on Polymorphic Formation.

Mol Pharm

Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States.

Published: July 2022

AI Article Synopsis

  • - The four-quadrant regimes of attainable polymorph crystallization (FQR-APC) was created using simulations to analyze the crystallization processes of a system with two different crystal forms.
  • - A noteworthy observation was that a decrease in the most stable polymorphic form's composition in crystallized samples indicated the presence of concurrent polymorphism.
  • - The study compared the FQR-APC with the Ostwald ratio (OR) and found that both methods effectively describe polymorphic outcomes, even though they stem from different theoretical backgrounds.

Article Abstract

The four-quadrant regimes of attainable polymorph crystallization (FQR-APC) plot was recently developed through numerical simulations of crystallization kinetics of a dipolymorphic system. Retraction in the polymorphic composition of the most stable form in crystallized samples was unveiled a characteristic indication of concomitant polymorphism. Comparisons were made with a recently developed concept, the Ostwald ratio (OR), in light of characterization of polymorphic formation. It was shown that both schemes display a good agreement in describing polymorphic outcomes, despite their distinct theoretical origins.

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Source
http://dx.doi.org/10.1021/acs.molpharmaceut.2c00125DOI Listing

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