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Updated: May 14, 2025
06:35
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
8.0K
Crystal Shape Factors of Form I Paracetamol.
Mayank Vashishtha1, Juntao Li2, Mahmoud Ranjbar1
1Department of Chemical Sciences, Synthesis and Solid State Pharmaceutical Centre, University of Limerick, Limerick V94 T9PX, Ireland.
Crystal Growth & Design
|May 12, 2025
Summary
New protocols precisely measure paracetamol crystal shape factors using X-ray computed tomography and Morphologi G3. These factors accurately predict crystal growth rates and dimensions in solution.
Area of Science:
- Crystallization science
- Materials characterization
- Pharmaceutical science
Background:
- Understanding crystal habit is crucial for predicting pharmaceutical product performance.
- Accurate measurement of crystal shape factors is essential for process optimization.
- Existing methods for shape factor determination may lack precision or comprehensive data.
Purpose of the Study:
- To develop and validate novel protocols for determining the shape factors of Form I paracetamol crystals.
- To assess the predictive capability of these shape factors on crystal growth kinetics and dimensions.
- To integrate advanced imaging and analysis techniques for precise crystal characterization.
Main Methods:
- Utilized state-of-the-art X-ray computed tomography (XCT) for detailed 3D crystal morphology.
- Employed Morphologi G3 for high-throughput particle size and shape analysis.
- Combined data from XCT and Morphologi G3 to derive comprehensive shape factors for Form I paracetamol.
Main Results:
- Successfully established new protocols for accurate shape factor determination of paracetamol crystals.
- Demonstrated that the determined shape factors accurately predict the crystal growth rate in 2-propanol.
- Validated the predictive power of shape factors on the final crystal length in supersaturated solutions.
Conclusions:
- The developed protocols provide a robust method for characterizing paracetamol crystal shape.
- Shape factors derived from XCT and Morphologi G3 are reliable predictors of crystallization behavior.
- This work advances the understanding and control of pharmaceutical crystallization processes.
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