Microscopic Imaging Methods for Organ-on-a-Chip Platforms

Bailey C. Buchanan, Jeong Yeol Yoon

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Microscopic imaging is essential and the most popular method for in situ monitoring and evaluating the outcome of various organ-on-a-chip (OOC) platforms, including the number and morphology of mammalian cells, gene expression, protein secretions, etc. This review presents an overview of how various imaging methods can be used to image organ-on-a-chip platforms, including transillumination imaging (including brightfield, phase-contrast, and holographic optofluidic imaging), fluorescence imaging (including confocal fluorescence and light-sheet fluorescence imaging), and smartphone-based imaging (including microscope attachment-based, quantitative phase, and lens-free imaging). While various microscopic imaging methods have been demonstrated for conventional microfluidic devices, a relatively small number of microscopic imaging methods have been demonstrated for OOC platforms. Some methods have rarely been used to image OOCs. Specific requirements for imaging OOCs will be discussed in comparison to the conventional microfluidic devices and future directions will be introduced in this review.

Original languageEnglish (US)
Article number328
JournalMicromachines
Volume13
Issue number2
DOIs
StatePublished - Feb 2022

Keywords

  • Fluorescence
  • Microfluidic device
  • OOC
  • Smartphone-based microscopy
  • Transillumination

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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