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Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

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Published on: May 5, 2016

Electrochemically Modulated Optical Imaging Sensors Integrated with Microfluidics.

Zehao Ye^1,2, Jiying Xu^1,2, Yi Chen^1,2

¹Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

|February 26, 2026

Summary

This summary is machine-generated.

This study presents a new optical imaging-electrochemical sensor for microfluidic analysis. The device simultaneously captures optical images and electrochemical readings, offering comprehensive insights into biosensing applications.

Keywords:

electrochemical sensing microfluidic plasmonic scattering imaging surface plasmon resonance

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Dry Film Photoresist-based Electrochemical Microfluidic Biosensor Platform: Device Fabrication, On-chip Assay Preparation, and System Operation

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Published on: September 19, 2017

Area of Science:

Analytical Chemistry
Biosensing
Microfluidics

Background:

Microfluidics is crucial for analyzing small sample volumes in biosensing.
Optical imaging offers spatial mapping, while electrochemical sensing provides selective detection.
Integrating these methods presents challenges but offers synergistic advantages.

Purpose of the Study:

To develop a novel optical imaging-electrochemical sensor for integrated microfluidic analysis.
To enable simultaneous acquisition of decoupled optical images and electrochemical readings.
To provide complementary information on analyte distribution and electrochemical properties.

Main Methods:

An electrochemical workstation was used to modulate optical signals.
A novel sensor design was implemented for integrated microfluidic analysis.
Simultaneous optical imaging and electrochemical measurements were performed.

Main Results:

The system successfully acquired decoupled optical images and electrochemical readings.
Complementary information on spatial distribution and electrochemical properties was obtained.
The sensor's utility was demonstrated by analyzing noble metal nanoparticles and monitoring live cells.

Conclusions:

The integrated optical imaging-electrochemical sensor provides a powerful tool for microfluidic analysis.
This methodology enhances biosensing capabilities, particularly for complex biological fluids.
It facilitates operando analysis, advancing microfluidic applications.