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Recrystallization: Solid–Solution Equilibria01:10

Recrystallization: Solid–Solution Equilibria

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Recrystallization is a purification technique used to separate impurities from solid compounds. In this technique, no chemical reactions occur. Instead, it exploits physical properties only, specifically, the solubility differences between the desired compound and impurities, either at a single temperature or at different temperatures, and under other selected conditions. The solid-solution equilibrium (solubility equilibrium) of each component in the solution represents a binary phase...
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Crystal Growth: Principles of Crystallization01:25

Crystal Growth: Principles of Crystallization

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Crystallization is a phase transformation process in which crystals are precipitated from a supersaturated solution or formed from other sources. During crystallization, atoms or molecules arrange themselves into a well-defined, rigid crystal lattice to minimize energy.
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent...
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Updated: Jun 13, 2025

Growing Protein Crystals with Distinct Dimensions Using Automated Crystallization Coupled with In Situ Dynamic Light Scattering
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超分子凝:一个多功能结晶工具箱.

Rafael Contreras-Montoya1, Luis Álvarez de Cienfuegos2, José A Gavira3

  • 1Nanoscopy-UGR Laboratory, Faculty of Pharmacy, University of Granada, E-18071, Granada, Spain. rcm@ugr.es.

Chemical Society reviews
|September 11, 2024
PubMed
概括
此摘要是机器生成的。

由低分子量凝器 (LMWGs) 形成的超分子凝使各种化合物的高质量晶体生长成为可能. 这些凝可以控制多态性和特性,在制药和材料科学中推进应用.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 晶体学 晶体学是指结晶学.
  • 超分子化学 超分子化学

背景情况:

  • 超分子凝是由低分子量凝器 (LMWGs) 通过非共价相互作用的自我组装形成的.
  • 与传统方法相比,这些超分子凝中的凝阶段结晶提高了晶体质量和尺寸.

研究的目的:

  • 审查基于LMWG的超分子凝作为结晶介质的应用.
  • 突出这些凝在控制晶体多态和属性的潜力.

主要方法:

  • 使用基于LMWG的超分子凝来结晶各种化合物.
  • 探索各种有机和水性溶剂以优化结晶.

主要成果:

  • 高分子凝促进无机,有机和蛋白质化合物的结晶.
  • 这些凝会影响晶体的多态性和物理化学性质,从而实现新的应用.
  • 可以获得具有可调节性质的高质量晶体.

结论:

  • 基于LMWG的超分子凝是单晶生长的多功能介质.
  • 了解凝结晶原理是定制材料特性和应用的关键,包括药物输送和复合晶体.