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Khetani S, Yong KW, Ozhukil Kollath V, Eastick E, Azarmanesh M, Karan K, Sen A, Sanati-Nezhad A. Engineering Shelf-Stable Coating for Microfluidic Organ-on-a-Chip Using Bioinspired Catecholamine Polymers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:6910-6923. [PMID: 31971367 DOI: 10.1021/acsami.9b20826] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The conceptualization of body-on-a-chip in 2004 resulted in a new approach for studying human physiology in three-dimensional culture. Despite pioneering works and the progress made in replicating human physiology on-a-chip, the stability, reliability, and preservation of cell-culture-treated microfluidic chips remain a challenge. The development of a reliable surface treatment technique to more efficiently and reproducibly modify microfluidic channels would significantly simplify the process of creating and implementing organ-on-a-chip (OOC) systems. In this work, a new flow-based coating technique using bioinspired polymers was implemented to create reliable, reproducible, ready-to-use microfluidic cell culture chips for OOC studies. Single-channel polydimethylsiloxane microfluidic chips were coated with the bioinspired catecholamine polymers, polydopamine (PDA) and polynorepinephrine (PNE), using a flow-based coating technique. The functionality of the resulting microfluidic chips was evaluated by extensive surface characterizations, at 130 °C, in the presence of various cleaning and culture media in static and flow conditions regularly used in OOCs and tested for shelf life by storing the coated microfluidic chips for 4 months at room temperature. Microfluidic chips coated with polycatecholamine were then seeded with the mouse cancer cell line Cath.a.differentiated (CAD) and with the normal human cerebral microvascular endothelial cell line human cerebral microvascular endothelial cells (hCMEC)/D3. Cell viability, cell phenotype, and cell functionality were assessed to evaluate the performance of both the coatings and the surface treatment technique. Both PDA- and PNE-coated microfluidic chips maintained high viability, phenotype, and functionality of CAD cells and hCMEC/D3 cells. In addition, CAD cells retained high viability when they were cultured in both the polymer-coated chips, which were stored at room temperature for up to 120 days. These results suggest that flow-based techniques to coat surfaces with polycatecholamines can be used to generate ready-to-use microfluidic OOC chips that offer long-term stability and reliability for the culture of cell types with application in pathophysiological studies and drug screening.
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Affiliation(s)
- Sultan Khetani
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Mechanical and Manufacturing Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Biomedical Engineering Graduate Program , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Kar Wey Yong
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Mechanical and Manufacturing Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Pharmaceutical Production Research Facility, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Vinayaraj Ozhukil Kollath
- Department of Chemical and Petroleum Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Erin Eastick
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Mechanical and Manufacturing Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Milad Azarmanesh
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Mechanical and Manufacturing Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Kunal Karan
- Department of Chemical and Petroleum Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Arindom Sen
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Biomedical Engineering Graduate Program , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Pharmaceutical Production Research Facility, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Department of Chemical and Petroleum Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
| | - Amir Sanati-Nezhad
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Mechanical and Manufacturing Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Center for Bioengineering Research and Education, Schulich School of Engineering , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
- Biomedical Engineering Graduate Program , University of Calgary , Calgary , Alberta T2N 1N4 , Canada
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Weiss ACG, Krüger K, Besford QA, Schlenk M, Kempe K, Förster S, Caruso F. In Situ Characterization of Protein Corona Formation on Silica Microparticles Using Confocal Laser Scanning Microscopy Combined with Microfluidics. ACS APPLIED MATERIALS & INTERFACES 2019; 11:2459-2469. [PMID: 30600987 DOI: 10.1021/acsami.8b14307] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In biological fluids, proteins bind to particles, forming so-called protein coronas. Such adsorbed protein layers significantly influence the biological interactions of particles, both in vitro and in vivo. The adsorbed protein layer is generally described as a two-component system comprising "hard" and "soft" protein coronas. However, a comprehensive picture regarding the protein corona structure is lacking. Herein, we introduce an experimental approach that allows for in situ monitoring of protein adsorption onto silica microparticles. The technique, which mimics flow in vascularized tumors, combines confocal laser scanning microscopy with microfluidics and allows the study of the time-evolution of protein corona formation. Our results show that protein corona formation is kinetically divided into three different phases: phase 1, proteins irreversibly and directly bound (under physiologically relevant conditions) to the particle surface; phase 2, irreversibly bound proteins interacting with preadsorbed proteins, and phase 3, reversibly bound "soft" protein corona proteins. Additionally, we investigate particle-protein interactions on low-fouling zwitterionic-coated particles where the adsorption of irreversibly bound proteins does not occur, and on such particles, only a "soft" protein corona is formed. The reported approach offers the potential to define new state-of-the art procedures for kinetics and protein fouling experiments.
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Affiliation(s)
- Alessia C G Weiss
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering , The University of Melbourne , Parkville , 3010 Victoria , Australia
| | - Kilian Krüger
- Physical Chemistry I , University of Bayreuth , Universitätsstraβe 30 , 95447 Bayreuth , Germany
- JCSN-1/ICS-1 , Forschungszentrum Jülich GmbH , Wilhelm-Johnen-Straβe , 52428 Jülich , Germany
| | - Quinn A Besford
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering , The University of Melbourne , Parkville , 3010 Victoria , Australia
| | - Mathias Schlenk
- Physical Chemistry I , University of Bayreuth , Universitätsstraβe 30 , 95447 Bayreuth , Germany
| | - Kristian Kempe
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and Monash Institute of Pharmaceutical Sciences , Monash University , Parkville , 3052 Victoria , Australia
| | - Stephan Förster
- Physical Chemistry I , University of Bayreuth , Universitätsstraβe 30 , 95447 Bayreuth , Germany
- JCSN-1/ICS-1 , Forschungszentrum Jülich GmbH , Wilhelm-Johnen-Straβe , 52428 Jülich , Germany
- Physical Chemistry , RWTH Aachen University , 52074 Aachen , Germany
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering , The University of Melbourne , Parkville , 3010 Victoria , Australia
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Weiss ACG, Kempe K, Förster S, Caruso F. Microfluidic Examination of the “Hard” Biomolecular Corona Formed on Engineered Particles in Different Biological Milieu. Biomacromolecules 2018; 19:2580-2594. [DOI: 10.1021/acs.biomac.8b00196] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Alessia C. G. Weiss
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Kristian Kempe
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Stephan Förster
- Physical Chemistry I, University of Bayreuth, Universitätsstrasse 30, 95447 Bayreuth, Germany
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
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