Biomedical Microdevices

, 11:1081 | Cite as

An open-access microfluidic model for lung-specific functional studies at an air-liquid interface

  • Divya D. Nalayanda
  • Christopher Puleo
  • William B. Fulton
  • Leilani M. Sharpe
  • Tza-Huei Wang
  • Fizan AbdullahEmail author


In an effort to improve the physiologic relevance of existing in vitro models for alveolar cells, we present a microfluidic platform which provides an air-interface in a dynamic system combining microfluidic and suspended membrane culture systems. Such a system provides the ability to manipulate multiple parameters on a single platform along with ease in cell seeding and manipulation. The current study presents a comparison of the efficacy of the hybrid system with conventional platforms using assays analyzing the maintenance of function and integrity of A549 alveolar epithelial cell monolayer cultures. The hybrid system incorporates bio-mimetic nourishment on the basal side of the epithelial cells along with an open system on the apical side of the cells exposed to air allowing for easy access for assays.


Microfluidic cell culture Alveolar cells Air-liquid interface 



This work was supported by the Robert Garrett Fund for the Surgical Treatment of Children. The authors would like to thank Venkata Sama and Yi Zhang for assistance with data analysis and manuscript review.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Divya D. Nalayanda
    • 1
    • 2
  • Christopher Puleo
    • 2
  • William B. Fulton
    • 1
  • Leilani M. Sharpe
    • 1
  • Tza-Huei Wang
    • 2
    • 3
  • Fizan Abdullah
    • 1
    Email author
  1. 1.Division of Pediatric SurgeryJohns Hopkins Medical InstitutionsBaltimoreUSA
  2. 2.Department of Biomedical EngineeringJohns Hopkins UniversityBaltimoreUSA
  3. 3.Department of Mechanical EngineeringJohns Hopkins UniversityBaltimoreUSA

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