Fabricating small-scale, curved, polymeric structures with convex and concave menisci through interfacial free energy equilibrium

Chao Min Cheng, Koji Matsuura, I. Jan Wang, Yuka Kuroda, Philip R. LeDuc, Keiji Naruse

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Polymeric curved structures are widely used in imaging systems including optical fibers and microfluidic channels. Here, we demonstrate that small-scale, poly(dimethylsiloxane) (PDMS)-based, curved structures can be fabricated through controlling interfacial free energy equilibrium. Resultant structures have a smooth, symmetric, curved surface, and may be convex or concave in form based on surface tension balance. Their curvatures are controlled by surface characteristics (i.e., hydrophobicity and hydrophilicity) of the molds and semi-liquid PDMS. In addition, these structures are shown to be biocompatible for cell culture. Our system provides a simple, efficient and economical method for generating integrateable optical components without costly fabrication facilities.

Original languageEnglish
Pages (from-to)3306-3309
Number of pages4
JournalLab on a Chip - Miniaturisation for Chemistry and Biology
Volume9
Issue number22
DOIs
Publication statusPublished - 2009

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Polydimethylsiloxane
Hydrophobic and Hydrophilic Interactions
Free energy
Optical Fibers
Optical Devices
Surface Tension
Microfluidics
Hydrophilicity
Molds
Hydrophobicity
Cell culture
Imaging systems
Surface tension
Optical fibers
Fungi
Cell Culture Techniques
Fabrication
Liquids
baysilon
Meniscus

ASJC Scopus subject areas

  • Biochemistry
  • Chemistry(all)
  • Bioengineering
  • Biomedical Engineering

Cite this

Fabricating small-scale, curved, polymeric structures with convex and concave menisci through interfacial free energy equilibrium. / Cheng, Chao Min; Matsuura, Koji; Wang, I. Jan; Kuroda, Yuka; LeDuc, Philip R.; Naruse, Keiji.

In: Lab on a Chip - Miniaturisation for Chemistry and Biology, Vol. 9, No. 22, 2009, p. 3306-3309.

Research output: Contribution to journalArticle

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