Microfluidic gradient platforms for controlling cellular behavior

  • Chung B
  • Choo J
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Concentration gradients play an important role in controlling biological and pathological processes, such as metastasis, embryogenesis, axon guidance, and wound healing. Microfluidic devices fabricated by photo- and soft lithography techniques can manipulate the fluidic flow and diffusion profile to create biomolecular gradients in a temporal and spatial manner. Furthermore, microfluidic devices enable the control of cell-extracellular microenvironment interactions, including cell-cell, cell-matrix, and cell-soluble factor interaction. In this paper, we review the development of microfluidic-based gradient devices and highlight their biological applications.

Author-supplied keywords

  • Axon guidance
  • Chemotaxis
  • Gradient
  • Microfluidics
  • Stem cell differentiation

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