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Updated: Mar 27, 2026

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

Integrated Micro-Optics for Microfluidic Detection.

Yuto Kazama¹, Akihide Hibara

¹Department of Applied Chemistry, School of Engineering, The University of Tokyo.

Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry

|January 13, 2016

Summary

This summary is machine-generated.

This study introduces embedding micro-optics, specifically right-angle prisms, into microfluidic devices for enhanced microscopic observation and multi-beam laser spectroscopy, enabling precise glucose detection.

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Last Updated: Mar 27, 2026

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Fluorescence detection methods for microfluidic droplet platforms

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Area of Science:

Optics and Photonics
Microfluidics
Analytical Chemistry

Background:

Microfluidic devices offer precise control over small fluid volumes.
Integrating optical components into microfluidics is challenging but beneficial for analysis.
Microscopy and spectroscopy are key techniques for analyzing microfluidic flows.

Purpose of the Study:

To develop and demonstrate a method for embedding micro-optics into microfluidic devices.
To showcase the utility of embedded right-angle prisms for lateral-view microscopic observation.
To apply embedded prisms for advanced spectroscopic techniques, such as multi-beam laser spectroscopy for chemical detection.

Main Methods:

Fabrication of a microfluidic device with embedded right-angle prisms.
Demonstration of lateral-view microscopic observation of fluid flow in a 100-μm microchannel.
Implementation of crossed-beam thermal lens spectroscopy using embedded prisms for sample analysis.

Main Results:

Successful embedding of right-angle prisms within the microfluidic device.
Achieved clear lateral-view microscopic imaging of aqueous dye flow.
Demonstrated the feasibility of multi-beam laser spectroscopy for detecting analytes, specifically glucose, in liquid samples.

Conclusions:

Embedding micro-optics, like right-angle prisms, is a viable strategy for enhancing microfluidic device functionality.
The integrated micro-optics enable advanced imaging and spectroscopic analyses within microchannels.
This approach holds promise for sensitive and precise chemical detection in microfluidic systems.