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Conducting Multiple Imaging Modes with One Fluorescence Microscope

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Automatic cytometric device using multiple wavelength excitations.

Nelly Rongeat¹, Sylvain Ledroit, Laurence Chauvet

¹HORIBA Medical, Parc Euromédecine, Rue du Caducée, 34000 Montpellier Cedex 4, France. nelly.rongeat@horiba.com

Journal of Biomedical Optics

|June 7, 2011

Summary

This summary is machine-generated.

This study presents an automated hematology analyzer for precise blood cell identification, including eosinophils, basophils, and B lymphocytes. The novel system enhances signal quality and reduces spectral overlap using controlled fluorescence and flow cytometry techniques.

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Area of Science:

Hematology
Immunology
Biomedical Engineering

Background:

Accurate identification of blood cell populations is crucial for diagnosing various diseases.
Traditional hematology analyzers face challenges in distinguishing specific cell subtypes and managing spectral overlap.

Purpose of the Study:

To develop an unconventional automated hematology analyzer for precise identification of eosinophils, basophils, and B lymphocytes.
To improve signal-to-noise ratio and minimize spectral overlap in multi-parameter cell analysis.

Main Methods:

Utilizing an automated hematology analyzer integrating flow cytometry principles.
Employing an acousto-optics tunable filter to control dual excitation radiations.
Using phycoerythrin cyanin 5 (PC5) conjugated antibodies (anti-CD20, anti-CRTH2) and Thiazole Orange for specific cell labeling.
Implementing multiple fluorescence detection for enhanced data acquisition.

Main Results:

Achieved precise identification of eosinophils, basophils, and B lymphocytes.
Demonstrated significant improvement in signal-to-noise ratio.
Effectively decreased spectral overlap from multiple fluorescence emissions.

Conclusions:

The developed automated hematology analyzer offers a robust platform for accurate and specific blood cell subpopulation analysis.
The combination of controlled fluorescence and flow cytometry techniques enhances analytical performance in hematology.