Topical 2: Discover, Development and Delivery of Medicines

Session 661 - Control of polymorphism of APIs or broader value-added materials
Different polymorphs of the same chemical entity display distinct physical properties, such as melting point, solubility, dissolution rate, hygroscopicity, stability, etc. The ability to successfully produce and reproduce specific polymorphic modifications is intricately correlated with the efficiency and speed of materials development, the robustness of manufacturing process, and – ultimately – the stability and quality of the targeted value-added materials. Papers are invited on all aspects of the control of polymorphism and pseudopolymorphism, applicable to pharmaceutical development or manufacture of other value-added materials.
Chair:Peter Karpinski
CoChair:Sridhar Desikan
CoSponsor(s):Crystallization and Evaporation
Pharmaceuticals (See also Topical 2)
 Introductory Remarks
 Effective Evaluation of Solid-Phase Free Energies
Nancy Cribbin, Andrew J. Schultz, Kenneth M. Benjamin, David A. Kofke
 Impact of Phase Split Ratio on Agglomeration Behavior in an Api Crystallization
Shekhar K. Viswanath, Ahmad Sheikh, John Tolle, Agnes Pal, James Marek
 Investigation on Polymorphic Transformations of Api Using Raman Spectroscopy
Lili Feng, Zhaoxia Liu, Peter Karpinski
 The Kinetics of L-Glutamic Acid Precipitation: Characterization and Modeling
Marco Mazzotti, Lars Vicum, Christian Lindenberg, Jochen Schöll, Jörg Brozio
 Polymorphism in the Crystallization of Glycine
Xia Yang, Chi Bun Ching, Xiu Juan Wang, Jie Lu
 Direct Growth of Gamma Glycine from Neutral Aqueous Solutions by Slow, Evaporation-Driven Evaporation
Paul J. A. Kenis, Guangwen He, Venkateswarlu Bhamidi, Scott R. Wilson, Reginald B. H. Tan, Charles F. Zukoski
 Concluding Remarks

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