相关实验视频

Updated: Jul 6, 2026

A Simple Method for Automated Solid Phase Extraction of Water Samples for Immunological Analysis of Small Pollutants

A Simple Method for Automated Solid Phase Extraction of Water Samples for Immunological Analysis of Small Pollutants

Published on: January 1, 2016

可编程的流动心切割固体相提取使用聚多巴胺涂层微纤维吸附剂作为UHPLC的前端,用于直接确定地表水中的异生菌残留物

Lucie Chocholoušová Havlíková¹, Petr Chocholouš¹, Jakub Erben²

¹Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 50003, Hradec Králové, Czechia.

|July 19, 2025

概括

一种新的自动化方法使用连续注射分析-固相提取-超高性能液态染色学 (SIA-SPE-UHPLC) 准确检测地表水中的异生菌残留物. 这种技术可以对环境样本进行敏感和可重复的分析.

科学领域:

环境化学环境化学
分析化学分析化学
染色体学染色体学是一种染色学.

背景情况:

表面水中的异生菌残留物对环境和健康构成风险.
敏感和高效的分析方法对于监测这些污染物至关重要.
现有的方法可能缺乏全面环境分析所需的自动化和吞吐量.

研究的目的:

开发和验证一种自动化连线技术,用于在地表水中敏感的异生菌残留物的确定.
实施一种新的固相提取 (SPE) 材料,以提高分析物回收.
为了提高环境监测的样本吞吐量.

主要方法:

在线连接连接的顺序注射分析-固相提取-超高性能液体染色学 (SIA-SPE-UHPLC).
使用表面修改的微纤维吸附剂 (涂有多多巴胺的聚烯微纤维) 用于SPE.
自动化样品制备,包括固态提取和随后的色谱分离.

主要成果:

在0.1-0.9μg/L范围内达到各种异生菌的检测极限.
证明了高可重现性,RSD<13%,准确度在86.5-114.8%之间.
获得了5个样本/小时的样本吞吐量,并同时处理SPE和染色学.

结论:

开发的SIA-SPE-UHPLC方法提供了一种灵敏,准确和高效的方法来分析环境水样中的异生物残留物.
使用聚多巴胺涂层的微纤维吸附剂为SPE提供了坚固且可重复使用的材料.
这种自动化技术代表了现代环境样本分析的重大进步.

关键词:

微纤维是一种微纤维.在线固体相提取线上固体相提取聚多巴胺的涂层是多多巴胺.异生菌的残留物异生菌残留物连续注射分析的分析.超高性能液体色谱学超高性能液体色谱学分析水的方法分析水

更多相关视频

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water

Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water

Published on: August 3, 2016

Extraction and Detection of Geosmin and 2-Methylisoborneol in Water and Fish using High-Capacity Sorptive Extraction Probes and GC-MS

Extraction and Detection of Geosmin and 2-Methylisoborneol in Water and Fish using High-Capacity Sorptive Extraction Probes and GC-MS

Published on: July 3, 2025

相关概念视频

High-Performance Liquid Chromatography: Elution Process

High-Performance Liquid Chromatography: Elution Process

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...

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...