4D打印的化峰导双响应单体包装用于金属离子的固相提取
Wen-Hsiu Tsai1, Cheng-Kuan Su1
1Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan, R.O.C.
Analytical chemistry
|February 21, 2024
概括
四维打印创造了一种新的双响应SPE柱,可以改进金属离子分析. 这种4D打印的包装增强了化,从而降低了复杂样品中重金属的检测极限.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 传统的固体相提取 (SPE) 设备在分析性能方面存在局限性.
- 四维打印 (4DP) 提供了对刺激有反应的材料的先进制造.
- 开发新的SPE材料对于敏感的微量金属分析至关重要.
研究的目的:
- 制造一个4D打印的SPE柱子,具有双响应的单体包装,用于增强金属离子提取.
- 提高分析性能,特别是降低准金属离子的方法检测极限 (MDL).
- 为了验证该方法在分析复杂的现实世界样本中的可靠性和适用性.
主要方法:
- 采用N-异烯胺 (NIPAM) 结合的可光固化树脂和数字光处理3D打印.
- 设计了一种双响应的单立体包装,用于SPE.交错的立方体.
- 使用[H+]/温度响应用于化峰值配置优化和感应合等离子体质谱 (ICP-MS) 分析.
主要成果:
- 成功制造了一个4D打印的SPE柱,配有[H+]/温度双响应单体包装.
- 对Mn,Co,Ni,Cu,Zn,Cd和Pb离子实现显著降低的MDL (范围为0.27.2 ng L-1).
- 由于由胀引起的间歇体积减小,证明了改善的化峰值配置.
结论:
- 4D打印的化峰值引导的双响应单体包装提高了金属离子分析的SPE效率.
- 这项技术可降低MDL,方便分析海水,尿液和河水等复杂矩阵中的金属离子.
- 开发的SPE列显示了高可靠性和可用于各种真实样本的微量金属确定.
相关概念视频
00:56Extraction: Advanced Methods
447
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
447
01:05High-Performance Liquid Chromatography: Elution Process
481
In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
481
01:11High-Performance Liquid Chromatography: Introduction
2.0K
High-performance liquid chromatography(HPLC), formerly referred to as High-pressure liquid chromatography, is a powerful technique used to separate, identify, and quantify components in complex mixtures. The term "high pressure" refers to using high pressure to push the liquid mobile phase through the tightly packed columns.
In HPLC, two phases play a critical role in the separation process:
In HPLC, two phases play a critical role in the separation process:
2.0K
01:30Capillary Electrophoresis: Applications
397
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
397