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Related Experiment Video

Updated: May 15, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
09:28

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients

Published on: April 19, 2010

Microfluidic chemostat for measuring single cell dynamics in bacteria.

Zhicheng Long1, Eileen Nugent, Avelino Javer

  • 1Department of Chemical Engineering and Materials Science, University of Minnesota-Twin Cities, Minneapolis, MN 55455, USA.

Lab on a Chip
|January 22, 2013
PubMed
Summary
This summary is machine-generated.

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This study introduces a microfluidic chemostat for long-term bacterial growth, enabling high-throughput single-cell analysis of microbial populations and their dynamic responses to environmental changes.

Area of Science:

  • Microbiology
  • Biotechnology
  • Cell Biology

Background:

  • Studying bacterial populations requires methods that maintain cell viability and allow for long-term observation.
  • Single-cell analysis provides detailed insights into microbial dynamics but can be limited by throughput and experimental duration.

Purpose of the Study:

  • To develop and validate a novel microfluidic chemostat for sustained, high-throughput, single-cell bacterial studies.
  • To monitor bacterial growth, gene expression, and population responses to environmental stimuli over multiple generations.

Main Methods:

  • Design and implementation of a microfluidic device with 600 sub-micron growth channels.
  • Utilizing time-lapse microscopy for monitoring E. coli growth, gene expression (GFP), and cell division.

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

Published on: December 6, 2013

Single-cell Microfluidic Analysis of Bacillus subtilis
10:37

Single-cell Microfluidic Analysis of Bacillus subtilis

Published on: January 26, 2018

Related Experiment Videos

Last Updated: May 15, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
09:28

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients

Published on: April 19, 2010

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation
12:04

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

Published on: December 6, 2013

Single-cell Microfluidic Analysis of Bacillus subtilis
10:37

Single-cell Microfluidic Analysis of Bacillus subtilis

Published on: January 26, 2018

  • Employing sub-diffraction resolution microscopy for tracking intracellular components.

    • Main Results:

    • Sustained growth of E. coli in lines for over 50 generations within the microfluidic chemostat.
    • Real-time monitoring of single-cell growth rates and GFP expression dynamics.
    • Demonstrated high-throughput intracellular measurements, tracking fluorescent loci in over a thousand cells.

    Conclusions:

    • The microfluidic chemostat is an effective platform for long-term, high-throughput single-cell bacterial analysis.
    • The device facilitates the study of population dynamics and responses to environmental changes with increased throughput and ease of analysis compared to traditional methods.