一种膜上连续固相萃取的荧光光谱在线检测装置、在线检测方法

By designing an online fluorescence spectroscopy detection device for continuous solid-phase extraction on a membrane, the problem of traditional membrane solid-phase extraction devices being unable to perform rapid on-site detection has been solved, enabling efficient and portable water sample analysis with high sensitivity and instant response capabilities.

CN117783078BActive Publication Date: 2026-07-17EAST CHINA UNIV OF SCI & TECH +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
EAST CHINA UNIV OF SCI & TECH
Filing Date
2023-12-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing membrane solid phase extraction devices cannot achieve rapid on-site detection, and traditional column solid phase extraction columns have long processing times and are prone to clogging, which cannot meet the needs of large-volume water sample analysis.

Method used

An online fluorescence spectroscopy detection device for continuous solid-phase extraction on a membrane was designed, including a filtration-enrichment system, a small fluorescence spectrometer, and an LED light source, to realize online acquisition of fluorescence spectral signals of analytes and dynamic monitoring of analyte changes in water samples.

Benefits of technology

It enables rapid, portable, and low-cost water sample analysis, possesses high sensitivity and instant response capabilities, reduces human error, and is suitable for large-scale water sample analysis.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117783078B_ABST
    Figure CN117783078B_ABST
Patent Text Reader

Abstract

本发明提供了一种膜上连续固相萃取的荧光光谱在线检测装置、在线检测方法,涉及分析检测技术领域。本发明可在连续固相萃取的过程中在线采集分析物的荧光光谱信号,动态监测水样中的分析物的荧光光谱变化。设计的装置兼具快速富集和实时荧光光谱检测功能,具备以下优势:整个装置构成封闭暗室,有效隔绝环境光,消除杂散光的干扰;自动化程度高,可由软件自动在固相萃取过程中原位检测固相荧光光谱,降低了人为操作可能引发的误差;此外,该装置便携小巧,能够借助荧光光谱精准、快速和低成本地分析水样中的污染物。在线荧光检测具备快速反馈的能力,可为水样中分析物变化提供即时估计。
Need to check novelty before this filing date? Find Prior Art