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Microfluidic continuous seeded crystallization: Extraction of growth kinetics and impact of impurity on morphology

机译:微流体连续晶种:生长动力学的提取以及杂质对形态的影响

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摘要

We describe a continuous microfluidic system for seeded crystallization of small organic molecules, such as active pharmaceuticals, and demonstrate integration with in situ detection tools for determining the size and polymorphic form of the crystals. This integrated device is used to extract growth kinetics, as a screening platform for process parameter effects and optimization, and to gain insight into the fundamentals of the crystallization process. In addition, the microfluidic system also allows studies of additive effects on the crystal habit. The method is demonstrated with growth kinetics for α-, β-, and γ-forms of glycine along with the effects upon the morphology of adding glutamic acid and methionine.
机译:我们描述了一种连续的微流体系统,用于有机小分子(例如活性药物)的晶种结晶,并演示了与原位检测工具的集成,用于确定晶体的大小和多晶型。该集成设备用于提取生长动力学,作为过程参数效果和优化的筛选平台,并深入了解结晶过程的基本原理。另外,微流体系统还允许研究对晶体习性的累加效应。证明了该方法具有甘氨酸的α-,β-和γ-形式的生长动力学以及对添加谷氨酸和蛋氨酸形态的影响。

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