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Flow Cytometry

Flow Cytometry

The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Related Experiment Video

Updated: May 30, 2025

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Integrating impedance cytometry with other microfluidic tools towards multifunctional single-cell analysis platforms.

Marta Righetto¹, Cristian Brandi¹, Riccardo Reale¹

¹Department of Civil Engineering and Computer Science, University of Rome Tor Vergata, Rome, Italy. caselli@ing.uniroma2.it.

|January 31, 2025

Summary

Microfluidic impedance cytometry (MIC) offers label-free cell characterization. Integrating MIC with microfluidic tools enhances multiparametric analysis, sample preparation, and cell sorting for advanced systems.

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Last Updated: May 30, 2025

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Area of Science:

Biomedical Engineering
Analytical Chemistry
Microfluidics

Background:

Microfluidic impedance cytometry (MIC) is a label-free method for analyzing individual cells and particles using electric fields.
MIC finds applications in life sciences, diagnostics, and environmental monitoring.
Integration of MIC with other microfluidic technologies is a growing area of research.

Purpose of the Study:

To review the synergistic advantages of integrating MIC with other microfluidic tools.
To identify key categories of integration and their benefits.
To highlight challenges and future perspectives for multifunctional microfluidic systems.

Main Methods:

Literature review of studies integrating MIC with microfluidic devices.
Categorization of integration strategies based on synergistic effects.
Discussion of specific examples and their technical challenges.

Main Results:

Five categories of MIC integration were identified: enhanced multiparametric characterization, on-chip sample preparation, sample stimulation, sample carrying/confinement, and impedance-activated sorting.
Each category offers unique advantages for advanced cell analysis and manipulation.
Integration enables the development of more sophisticated and multifunctional microfluidic systems.

Conclusions:

Integrating MIC with other microfluidic tools significantly expands its capabilities.
These integrated systems offer promising avenues for next-generation diagnostics and research platforms.
Addressing integration challenges is crucial for realizing the full potential of multifunctional microfluidics.