3D打印的微流体色谱柱用于快速下游处理的开发
Vladimir Matining1, Mario Messina1, Benedetta Sechi1
1Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico Di Milano, Piazza Leonardo Da Vinci 32, Milan, Italy.
Biotechnology journal
|August 11, 2025
概括
3D打印使新的微流体色谱列能够进行高效的生物分子分析. 这项研究开发了一个3D打印的柱子用于酶表征,减少样品和树脂的要求.
科学领域:
- 分析化学 分析化学
- 化学工程是化学工程的重要组成部分.
- 生物技术是生物技术.
背景情况:
- 微流体设备在样品消耗减少和更快的分析方面具有优势.
- 3D打印为制造复杂的微流体结构提供了一个多功能平台.
研究的目的:
- 开发和描述一个3D打印的微流体色谱柱.
- 为了评估该列对蛋白质特征的性能,特别是lyszyme.
- 在微柱中建立蛋白质运输的机械模型.
主要方法:
- 使用3D打印制造54μL微流体柱.
- 用离子交换树脂包装列.
- 使用酸标志物和lyszyme进行表征.
- 吸附异热和轴向分散的分析.
主要成果:
- 3D打印的柱子表现出良好的染色学特性 (孔度 ε=0.72,不对称系数 0.8-1.8).
- 酶和能力测量为88.14g/L树脂.
- 在高NaCl度 (≥300毫米) 的情况下,观察到从兰木尔到抗兰木尔吸附的过渡.
- 轴分散系数被确定为6.7 x 10−9 m2/s.
结论:
- 3D打印是一种可行的技术,用于创建高性能微流体色谱列.
- 开发的微柱使得像lyszyme这样的生物分子能够在最小的样本和树脂中进行全面的表征.
- 这种方法简化了过程开发,并解决了有限的生物分子可用性的挑战.
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