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Flow-through microscopy and image analysis for crystallization processes
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DOI：10.1016/j.ces.2021.117067.png)
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Abstract
En 中文
The particle size and particle size distribution are crucial parameters for the final product application of active pharmaceutical compounds. Image analysis with inline microscopy is an important tool for monitoring and controlling the crystallization process. This work proposes a flexible and reliable image analysis algorithm that works by combining edge detection with intensity thresholding and implementing an advanced watershed. The code is made open source and should be easily implementable. Additionally, a simple flow-through image acquisition system is developed by modifying conventional optical microscopes. Finally, measurements of the particle size, the number concentration and the solid concentration are evaluated over a wide range of solid concentrations. These can be used to measure the nucleation rate and the yield. This research should reduce the barriers towards automated image analysis and provide new methods to monitor crystallization processes. (c) 2021 Published by Elsevier Ltd.
Keywords:
Crystallization
Image analysis
Flow-through microscopy
PAT
Particle size analysis
Journal
IF:
4.3
Papers:
2.2W
Citations:
5.5W