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  • Spheroids-on-a-chip: Recent advances and design considerations in microfluidic platforms for spheroid formation and culture

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    Accepted Manuscript (AM)
    Author(s)
    Moshksayan, Khashayar
    Kashaninejad, Navid
    Warkiani, Majid Ebrahimi
    Lock, John G
    Moghadas, Hajar
    Firoozabadi, Bahar
    Saidi, Mohammad Said
    Nam-Trung, Nguyen
    Griffith University Author(s)
    Nguyen, Nam-Trung
    Kashaninejad, Navid
    Year published
    2018
    Metadata
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    Abstract
    A cell spheroid is a three-dimensional (3D) aggregation of cells. Synthetic, in-vitro spheroids provide similar metabolism, proliferation, and species concentration gradients to those found in-vivo. For instance, cancer cell spheroids have been demonstrated to mimic in-vivo tumor microenvironments, and are thus suitable for in-vitro drug screening. The first part of this paper discusses the latest microfluidic designs for spheroid formation and culture, comparing their strategies and efficacy. The most recent microfluidic techniques for spheroid formation utilize emulsion, microwells, U-shaped microstructures, or digital ...
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    A cell spheroid is a three-dimensional (3D) aggregation of cells. Synthetic, in-vitro spheroids provide similar metabolism, proliferation, and species concentration gradients to those found in-vivo. For instance, cancer cell spheroids have been demonstrated to mimic in-vivo tumor microenvironments, and are thus suitable for in-vitro drug screening. The first part of this paper discusses the latest microfluidic designs for spheroid formation and culture, comparing their strategies and efficacy. The most recent microfluidic techniques for spheroid formation utilize emulsion, microwells, U-shaped microstructures, or digital microfluidics. The engineering aspects underpinning spheroid formation in these microfluidic devices are therefore considered. In the second part of this paper, design considerations for microfluidic spheroid formation chips and microfluidic spheroid culture chips (μSFCs and μSCCs) are evaluated with regard to key parameters affecting spheroid formation, including shear stress, spheroid diameter, culture medium delivery and flow rate. This review is intended to benefit the microfluidics community by contributing to improved design and engineering of microfluidic chips capable of forming and/or culturing three-dimensional cell spheroids.
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    Journal Title
    Sensors and Actuators B: Chemical
    Volume
    263
    DOI
    https://doi.org/10.1016/j.snb.2018.01.223
    Copyright Statement
    © 2018 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Atomic, molecular and optical physics
    Analytical chemistry
    Materials engineering
    Materials engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/381360
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    • Journal articles

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