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Related Experiment Video

Updated: May 10, 2026

The Fabrication and Operation of a Continuous Flow, Micro-Electroporation System with Permeabilization Detection
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The Fabrication and Operation of a Continuous Flow, Micro-Electroporation System with Permeabilization Detection

Published on: January 7, 2022

Thermal loading in flow-through electroporation microfluidic devices.

Blanca del Rosal1, Chen Sun, Despina Nelie Loufakis

  • 1Fluorescence Imaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Instituto Nicolás Cabrera Universidad Autónoma de Madrid, Campus de Cantoblanco, Madrid 28049, Spain.

Lab on a Chip
|June 14, 2013
PubMed
Summary
This summary is machine-generated.

Thermal loading in microfluidic electroporation devices is manageable. Optimized electric fields and flow rates prevent cytotoxic temperatures, ensuring safe experimental conditions for flow-through electroporation.

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Last Updated: May 10, 2026

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Area of Science:

  • Microfluidics
  • Biophysical Engineering
  • Thermal Analysis

Background:

  • Flow-through electroporation microfluidic devices are crucial for biological applications.
  • Understanding thermal loading effects is essential to prevent cell damage during electroporation.
  • Joule heating can lead to detrimental temperature increases within microchannels.

Purpose of the Study:

  • To systematically investigate thermal loading effects in flow-through electroporation microfluidic devices.
  • To determine the influence of electric field and flow rate on temperature increments.
  • To establish safe operating parameters for microfluidic electroporation.

Main Methods:

  • Utilized dye-based ratiometric luminescence thermometry for precise temperature measurements.
  • Conducted fluorescence measurements to analyze temperature changes.
  • Employed numerical simulations to complement experimental data and visualize temperature distribution.

Main Results:

  • Joule heating can induce cytotoxic temperatures (>45 °C) under low flow rates and high voltages.
  • Real electroporation experimental conditions maintain local heating within safe limits (<32 °C).
  • Non-homogeneous temperature distributions were observed, dependent on electric field and flow rate.

Conclusions:

  • Local heating in flow-through electroporation is controllable by adjusting electric field and flow rate.
  • Experimental conditions used in practice prevent excessive temperature increases.
  • This study provides critical data for optimizing and controlling electroporation in microfluidic devices.