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Related Experiment Video

Updated: Dec 21, 2025

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation

Published on: December 6, 2013

A Microfluidic Device for Imaging Samples from Microbial Suspension Cultures.

Alexander Letourneau¹, Jack Kegel¹, Jehad Al-Ramahi¹

¹Department of Biomedical Engineering, University of Wisconsin-Madison, United States.

|May 19, 2020

Summary

This summary is machine-generated.

This study introduces a simple microfluidic device for microbial cell analysis in suspension culture. The device enables efficient, high-resolution single-cell imaging, overcoming limitations of traditional methods.

Keywords:

Bioreactor Microbial cell culture Microfluidic Single-cell microscopy

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Last Updated: Dec 21, 2025

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Published on: November 25, 2020

Area of Science:

Biotechnology
Microbiology
Cell Biology

Background:

Traditional microbial cell assessment in suspension culture is labor-intensive and infrequent.
Automated methods often lack temporal resolution and sampling efficiency.

Purpose of the Study:

To develop a simple microfluidic device for microbial cell sampling and imaging.
To improve temporal resolution and sampling efficiency in microbial cell analysis.

Main Methods:

Fabrication and utilization of a novel microfluidic device.
Rapid slowing and concentration of microbial cells (budding yeast) from suspension.
Single-cell imaging using a standard laboratory microscope.

Main Results:

The device effectively concentrates microbial cells for improved single-cell imaging in a single focal plane.
Achieved high imaging quality and temporal resolution suitable for dynamic spatiotemporal process monitoring.
Demonstrated the device's capability to track protein nuclear localization in budding yeast.

Conclusions:

The developed microfluidic device offers an inexpensive and simple solution for microbial cell analysis.
It enhances imaging capabilities for dynamic cellular processes.
Suitable for standard molecular and cellular biology laboratories.