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Related Experiment Videos

Chemicofunctional membrane for integrated chemical processes on a microchip.

Hideaki Hisamoto1, Yuki Shimizu, Kenji Uchiyama

  • 1Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.

Analytical Chemistry
|January 30, 2003
PubMed
Summary

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Chemically functional polymer membranes were synthesized using microchannel flow and interfacial polycondensation. This enables controlled permeation and chemical transformation, advancing integrated chemical systems.

Area of Science:

  • Polymer Chemistry
  • Microfluidics
  • Materials Science

Background:

  • Interfacial polycondensation is a key method for polymer membrane synthesis.
  • Microfluidic devices offer precise control over reaction environments.
  • Integrating chemical functionality onto membranes is crucial for advanced applications.

Purpose of the Study:

  • To design and synthesize chemically functional polymer membranes within a microchannel.
  • To demonstrate controlled permeation and chemical transformation using these membranes.
  • To explore the potential for creating sophisticated integrated chemical systems.

Main Methods:

  • Utilizing interfacial polycondensation within a microchannel with multilayer flow (organic/aqueous and organic/aqueous/organic).

Related Experiment Videos

  • Fabricating single and parallel dual-membrane structures.
  • Immobilizing horseradish peroxidase onto the membrane surface for chemical transformation.

    • Main Results:

    • Successfully prepared chemically functional polymer membranes with single and dual structures.
    • Achieved controlled permeation of ammonia species through the inner-channel membrane.
    • Demonstrated substrate permeation and subsequent chemical transformation at the membrane surface.

    Conclusions:

    • Microchannel-based interfacial polycondensation enables the creation of functional polymer membranes.
    • These membranes facilitate stable phase contact and selective species permeation.
    • Surface modification allows for integrated chemical transformation, paving the way for advanced chemical systems.