Organ-on-Chips for Studying Tissue Barriers: Standard Techniques and a Novel Method for Including Porous Membranes Within Microfluidic Devices

Mattia Ballerini, Mohammad Jouy Bar, Andrea Mainardi, Marco Rasponi, Giovanni Stefano Ugolini

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

4 Citations (Scopus)

Abstract

A relevant number of organ-on-chips is aimed at modeling epithelial/endothelial interfaces between tissue compartments. These barriers help tissue function either by protecting (e.g., endothelial blood–brain barrier) or by orchestrating relevant molecular exchanges (e.g., lung alveolar interface) in human organs. Models of these biological systems are aimed at characterizing the transport of molecules, drugs or drug carriers through these specific barriers. Multilayer microdevices are particularly appealing to this goal and techniques for embedding porous membranes within organ-on-chips are therefore at the basis of the development and use of such systems. Here, we discuss and provide procedures for embedding porous membranes within multilayer organ-on-chips. We present standard techniques involving both custom-made polydimethylsiloxane (PDMS) membranes and commercially available plastic membranes. In addition, we present a novel method for fabricating and bonding PDMS porous membranes by using a cost-effective epoxy resin in place of microfabricated silicon wafers as master molds.
Original languageEnglish
Title of host publicationOrgan-on-a-Chip
Subtitle of host publicationMethods and Protocols
EditorsMarco Rasponi
Place of PublicationNew York
PublisherHumana Press
Chapter2
Pages21-38
Number of pages18
ISBN (Electronic)978-1-0716-1693-2
ISBN (Print)978-1-0716-1692-5, 978-1-0716-1695-6
DOIs
Publication statusPublished - 15 Sept 2021

Publication series

Name Methods in Molecular Biology (MIMB)
PublisherSpringer
Volume2373
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • Microfluidics
  • Microdevices
  • Microfabrication techniques
  • microphysiological systems
  • Chemical/drug screening
  • Drug Development
  • Multilayer microdevices
  • Replica molding
  • Porous membranes
  • Organ-on-chip

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  • Best poster presentation prize

    Jouy Bar, M. (Recipient), Ballerini, M. (Recipient), Nezi, L. (Recipient) & Rasponi, M. (Recipient), 10 Sept 2020

    Prize: OtherCareer, activity or publication related prizes (lifetime, best paper, poster etc.)Scientific

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