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Related Concept Videos

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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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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Ionic Crystal Structures

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Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
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Polymer Classification: Crystallinity01:21

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Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
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In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
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Optimizing the Growth of Endothiapepsin Crystals for Serial Crystallography Experiments
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How Crystal Size and Number Steer Asymmetric Crystallization.

Sjoerd W van Dongen1, Pepijn J Rang1, Karin G P Dautzenberg2

  • 1AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands.

The Journal of Physical Chemistry Letters
|January 16, 2026
PubMed
Summary
This summary is machine-generated.

Subtle crystal size and mass differences drive chiral amplification during crystallization. Minority small crystals can outgrow larger ones, revealing kinetic selection mechanisms in crystallization dynamics.

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Area of Science:

  • Crystallization dynamics
  • Chemical kinetics
  • Materials science

Background:

  • Chiral amplification in crystallization is driven by population asymmetries.
  • The kinetic drivers of these asymmetric growth rates are not fully understood.

Purpose of the Study:

  • To experimentally investigate how size and mass imbalances between enantiomeric crystal populations influence asymmetric growth rates.
  • To elucidate the kinetic selection mechanisms governing chiral amplification.

Main Methods:

  • Experimental investigation of crystal populations with varying size and mass.
  • Analysis of asymmetric growth rates and their dependence on population imbalances.
  • Control of growth rates to study amplification effects.

Main Results:

  • Interplay between size and mass imbalances leads to positive, linear, or negative nonlinear chiral amplification.
  • Minority small crystals can outgrow and dominate majority larger crystals, despite higher solubility.
  • Growth rate control can enhance or dampen size-effect-driven amplification.

Conclusions:

  • A kinetic selection mechanism driven by population-level growth rates governs chiral amplification.
  • Findings provide insights into nonlinear amplification origins and practical guidance for asymmetric crystallization and self-assembly.