A paper-based in vitro model for on-chip investigation of the human respiratory system

Culturing cells at the air–liquid interface (ALI) is essential for creating functional in vitro models of lung tissues. We present the use of direct-patterned laser-treated hydrophobic paper as an effective semi-permeable membrane, ideal for ALI cell culture. The surface properties of the paper are...

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Main Authors: Rahimi, Rahim, Htwe, Su Su, Ochoa, Manuel, Donaldson, Amy, Zieger, Michael, Sood, Rajiv, Tamayol, Ali, Khademhosseini, Ali, Ghaemmaghami, Amir M., Ziaie, Babak
Format: Article
Published: Royal Society of Chemistry 2016
Online Access:https://eprints.nottingham.ac.uk/37637/
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author Rahimi, Rahim
Htwe, Su Su
Ochoa, Manuel
Donaldson, Amy
Zieger, Michael
Sood, Rajiv
Tamayol, Ali
Khademhosseini, Ali
Ghaemmaghami, Amir M.
Ziaie, Babak
author_facet Rahimi, Rahim
Htwe, Su Su
Ochoa, Manuel
Donaldson, Amy
Zieger, Michael
Sood, Rajiv
Tamayol, Ali
Khademhosseini, Ali
Ghaemmaghami, Amir M.
Ziaie, Babak
author_sort Rahimi, Rahim
building Nottingham Research Data Repository
collection Online Access
description Culturing cells at the air–liquid interface (ALI) is essential for creating functional in vitro models of lung tissues. We present the use of direct-patterned laser-treated hydrophobic paper as an effective semi-permeable membrane, ideal for ALI cell culture. The surface properties of the paper are modified through a selective CO2 laser-assisted treatment to create a unique porous substrate with hydrophilic regions that regulate fluid diffusion and cell attachment. To select the appropriate model, four promising hydrophobic films were compared with each other in terms of gas permeability and long-term strength in an aqueous environment (wet-strength). Among the investigated substrates, parchment paper showed the fastest rate of oxygen permeability (3 times more than conventional transwell cell culture membranes), with the least variation in its dry and wet tensile strengths (124 MPa and 58 MPa, remaining unchanged after 7 days of submersion in PBS).The final paper-based platform provides an ideal, robust, and inexpensive device for generating monolayers of lung epithelial cells on-chip in a high-throughput fashion for disease modelling and in vitro drug testing.
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publishDate 2016
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spelling nottingham-376372020-05-04T18:09:31Z https://eprints.nottingham.ac.uk/37637/ A paper-based in vitro model for on-chip investigation of the human respiratory system Rahimi, Rahim Htwe, Su Su Ochoa, Manuel Donaldson, Amy Zieger, Michael Sood, Rajiv Tamayol, Ali Khademhosseini, Ali Ghaemmaghami, Amir M. Ziaie, Babak Culturing cells at the air–liquid interface (ALI) is essential for creating functional in vitro models of lung tissues. We present the use of direct-patterned laser-treated hydrophobic paper as an effective semi-permeable membrane, ideal for ALI cell culture. The surface properties of the paper are modified through a selective CO2 laser-assisted treatment to create a unique porous substrate with hydrophilic regions that regulate fluid diffusion and cell attachment. To select the appropriate model, four promising hydrophobic films were compared with each other in terms of gas permeability and long-term strength in an aqueous environment (wet-strength). Among the investigated substrates, parchment paper showed the fastest rate of oxygen permeability (3 times more than conventional transwell cell culture membranes), with the least variation in its dry and wet tensile strengths (124 MPa and 58 MPa, remaining unchanged after 7 days of submersion in PBS).The final paper-based platform provides an ideal, robust, and inexpensive device for generating monolayers of lung epithelial cells on-chip in a high-throughput fashion for disease modelling and in vitro drug testing. Royal Society of Chemistry 2016-09-27 Article PeerReviewed Rahimi, Rahim, Htwe, Su Su, Ochoa, Manuel, Donaldson, Amy, Zieger, Michael, Sood, Rajiv, Tamayol, Ali, Khademhosseini, Ali, Ghaemmaghami, Amir M. and Ziaie, Babak (2016) A paper-based in vitro model for on-chip investigation of the human respiratory system. Lab on a Chip, 16 (22). pp. 4319-4325. ISSN 1473-0189 http://dx.doi.org/10.1039/C6LC00866F doi:10.1039/C6LC00866F doi:10.1039/C6LC00866F
spellingShingle Rahimi, Rahim
Htwe, Su Su
Ochoa, Manuel
Donaldson, Amy
Zieger, Michael
Sood, Rajiv
Tamayol, Ali
Khademhosseini, Ali
Ghaemmaghami, Amir M.
Ziaie, Babak
A paper-based in vitro model for on-chip investigation of the human respiratory system
title A paper-based in vitro model for on-chip investigation of the human respiratory system
title_full A paper-based in vitro model for on-chip investigation of the human respiratory system
title_fullStr A paper-based in vitro model for on-chip investigation of the human respiratory system
title_full_unstemmed A paper-based in vitro model for on-chip investigation of the human respiratory system
title_short A paper-based in vitro model for on-chip investigation of the human respiratory system
title_sort paper-based in vitro model for on-chip investigation of the human respiratory system
url https://eprints.nottingham.ac.uk/37637/
https://eprints.nottingham.ac.uk/37637/
https://eprints.nottingham.ac.uk/37637/