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Related Experiment Video

Updated: May 9, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
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Published on: March 13, 2016

Vapour processed self-rolled poly(dimethylsiloxane) microcapillaries form microfluidic devices with engineered inner

Laura Piedad Chia Gómez1, Patrick Bollgruen, Aleksandr I Egunov

  • 1Universidad Nacional de Colombia Bogota, Carrera 45 No 26-85, Colombia.

Lab on a Chip
|August 6, 2013
PubMed
Summary

Researchers developed a novel microfluidics device using self-rolling poly(dimethylsiloxane) films to create microcapillaries. These integrated microfluidic tubes allow for precise temperature control via Joule heating, enabling advanced applications.

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One-Step Approach to Fabricating Polydimethylsiloxane Microfluidic Channels of Different Geometric Sections by Sequential Wet Etching Processes

Published on: September 13, 2018

Area of Science:

  • Microfluidics
  • Materials Science
  • Polymer Science

Background:

  • Microfluidic devices require precise fabrication of channels.
  • Poly(dimethylsiloxane) (PDMS) is a common material in microfluidics.
  • Controlled temperature is crucial for many microfluidic reactions.

Purpose of the Study:

  • To propose a novel microfluidics device based on self-rolling poly(dimethylsiloxane) films.
  • To integrate electrodes and micro-resistors for electrical circuit compatibility.
  • To demonstrate local temperature control using Joule heating.

Main Methods:

  • Fabrication of microcapillaries via self-rolling of oxygen plasma-treated PDMS films in chloroform vapor.
  • Integration of electrodes and micro-resistors during the co-rolling process.
  • Demonstration of localized temperature control through Joule heating, monitored by a chemiluminescent reaction rate.

Main Results:

  • Successfully created functional microcapillaries through a self-rolling mechanism.
  • Demonstrated seamless integration of electrical components with the microcapillaries.
  • Validated precise local temperature control within the microfluidic tubes.

Conclusions:

  • The developed self-rolling technique offers a novel method for fabricating microfluidic capillaries.
  • The integrated electrical components enable advanced functionalities like localized heating.
  • These engineered microfluidic tubes hold potential for diverse applications in integrated microfluidic systems.