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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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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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A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals
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使用流反应器提高结晶驱动自组装的可扩展性.

Laihui Xiao1, Sam J Parkinson1, Tianlai Xia1

  • 1School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.

ACS macro letters
|November 16, 2023
PubMed
概括
此摘要是机器生成的。

连续流反应器通过生物结晶驱动自组装 (CDSA) 实现高效,可控制大小的异型血小板的生产. 这种可扩展的方法克服了对更广泛应用的批量限制.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 化学工程是化学工程的重要组成部分.
  • 纳米技术纳米技术

背景情况:

  • 不同类型的材料,特别是二维血小板,对于货物运输和复合材料增强等应用至关重要.
  • 结晶驱动的自我组装 (CDSA) 产生了这些结构,而活着的CDSA通过种子颗粒提供了尺寸控制.
  • 目前的CDSA方法仅限于小规模和低度,阻碍了商业可行性.

研究的目的:

  • 使用活体CDSA开发一个连续流系统,以高效,可扩展地生产可控制大小的异型血小板.
  • 研究流量参数对血小板形态和生长动态的影响.
  • 为了证明在流动反应堆环境中生活CDSA的可行性.

主要方法:

  • 为生活CDSA建立了一个连续流动反应堆系统.
  • 通过变化的温度,居住时间和流量率来研究血小板的表轴生长.
  • 在流系统中比较了不同的种子和血小板生长策略.
  • 收集和分析所产生的血小板的形态和分散.

主要成果:

  • 在连续流反应堆中首次成功实施了活体CDSA.
  • 确定了影响血小板形态的关键流量参数.
  • 通过调整流量,实现大小可控的血小板生产.
  • 与批量方法相比,获得了连续收集的血小板,其统一性和分散性得到了改善.

结论:

  • 连续流反应器提供了一个可扩展和高效的平台,通过活体CDSA生产异型血小板.
  • 这种方法克服了传统批量方法的局限性,为商业应用铺平了道路.
  • 流量系统提供了对血小板大小和分散性的增强控制.