Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A rigid poly(dimethylsiloxane) sandwich electrophoresis microchip based on thin-casting method.

Changchun Liu1, Dafu Cui, Haoyuan Cai

  • 1State Key Laboratory of Transducer Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, P. R. China. liucc263@yahoo.com.cn

Electrophoresis
|May 25, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Synthesis and Optoelectronic Properties of Branched Polystyrene-<i>graft</i>-Polyfluorene Copolymers.

Micromachines·2026
Same author

Specific transformation of steviol at unactivated C-H sites by microorganism and mining of key P450 enzymes.

Natural product research·2026
Same author

Single-nucleotide variant profiling in liquid biopsy with RECO-Cas.

Science advances·2026
Same author

Age modulates estradiol's dual role in hepatocellular carcinoma recurrence after ablation: A prospective observational study.

iScience·2026
Same author

Synthesis, Electron Transport Behavior, and Enhanced Blue Light Stability of Polyfluorene-Poly(Methyl Methacrylate) Diblock Copolymers.

Micromachines·2026
Same author

SDS-CRISPR for Single-Nucleotide Variant Detection.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

A novel glass/poly(dimethylsiloxane) (PDMS)/glass sandwich microchip fabrication method offers enhanced pressure resistance. This thin-casting technique improves microchip durability and usability for applications like capillary electrophoresis.

Area of Science:

  • Materials Science
  • Microfluidics
  • Chemical Engineering

Background:

  • Traditional poly(dimethylsiloxane) (PDMS) microchips face limitations in pressure tolerance and handling.
  • Existing fabrication methods for PDMS microfluidic devices can be cumbersome and result in lower structural integrity.

Purpose of the Study:

  • To introduce a novel glass/PDMS/glass sandwich microchip structure.
  • To develop an improved thin-casting fabrication method for enhanced PDMS microchips.
  • To evaluate the performance characteristics of the new microchip design.

Main Methods:

  • A thin-casting technique involving a glass/PDMS prepolymer/SU-8 master/glass sandwich was employed.
  • The structure was cured, and the SU-8 master was removed, transferring microstructures to a thin PDMS membrane bonded to glass.

Related Experiment Videos

  • The microchip was assembled using reversible sealing with a glass cover plate.

    • Main Results:

    • The novel PDMS sandwich microchip demonstrated a pressure tolerance exceeding 150 kPa, over five times higher than conventional PDMS hybrid microchips.
    • The fabricated microchips exhibited excellent heat-dissipating properties.
    • The design provided a rigid, user-friendly interface suitable for tubing manipulation.

    Conclusions:

    • The thin-casting method for glass/PDMS/glass sandwich microchips significantly enhances structural integrity and pressure resistance.
    • This fabrication approach offers a robust and practical alternative for microfluidic device development.
    • The enhanced PDMS microchips are suitable for demanding applications such as capillary electrophoresis separations.