Plasma based surface modification of poly (dimethylsiloxane) electrospun membrane proper fororgan-on-a-chip applications

Document Type : Article

Authors

1 Department of Mechanical Engineering, Sharif University of Technology, 11365/8639, Tehran, Iran., Dalio Institute of Cardiovascular Imaging, Department of Radiology, Weill Cornell Medicine.

2 Department of Mechanical Engineering, Sharif University of Technology, 11365/8639, Tehran, Iran.

Abstract

Constructing of the scaffolds for cell culture applications has long been of interest for engineering researchers and biologist. In this study, a novel process is utilized for construction of suitable membrane with a high mechanical strength and appropriate surface behavior. Poly (dimethylsiloxane) (PDMS) is electrospun into fine fibers using poly (methyl methacrylate) (PMMA) as the carrier polymer in different weight ratios. Since the surface behavior of all PDMS substrates is moderately hydrophobic (120 < contact angle (CA) < 150), the electrospun membranes with higher PDMS ratios show slightly higher hydrophilicity. Direct plasma treatment is utilized to change the interfacial wettability of the membrane. Applying plasma changes the surface energy and renders the PDMS/PMMA substrates superhydrophilic (CA

Keywords

References

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Scientia Iranica
Volume 26, Issue 2 - Serial Number 2
Transactions on Mechanical Engineering (B)
March and April 2019
Pages 808-814

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