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Formation of Biomembrane Microarrays with a Squeegee-based Assembly Method
Published on: May 8, 2014
Self-patterning hybrid membranes enable domain-specific immobilization of responsive nanoassemblies
Mirela Malekovic1, Maryame Bina1, Anamarija Nikoletic2
1Department of Chemistry, University of Basel, Mattenstrasse 22, 4002 Basel, Switzerland.
Journal of Colloid and Interface Science
|June 2, 2026
Summary
Researchers developed active soft surfaces using self-patterning polymer membranes and peptide-based micelles. These surfaces enable controlled, temperature-triggered release of encapsulated cargo, paving the way for advanced biosensing and adaptive interfaces.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biotechnology
Background:
- Biological surfaces exhibit lateral chemical heterogeneity for localized activity and transport regulation.
- Synthetic polymer membranes typically lack compositional uniformity, limiting their functional capabilities.
Purpose of the Study:
- To engineer active soft surfaces with spatially resolved, stimuli-responsive behavior.
- To combine self-patterning polymer membranes with stimuli-responsive peptide-based multicompartment micelles (MCMs).
Main Methods:
- Fabrication of hybrid triblock copolymer membranes that spontaneously self-pattern into distinct domains.
- Selective covalent immobilization of MCMs within chemically complementary membrane domains.
- Inducing cargo release from MCMs via temperature change (37°C).
Main Results:
- Hybrid membranes segregated into micron-scale domains with unique topography, mechanics, and surface chemistry.
- MCMs were successfully immobilized within specific membrane domains without compromising their structure.
- Immobilized MCMs released encapsulated cargo in a spatially confined and temperature-triggered manner.
Conclusions:
- This approach provides a versatile route to programmable surfaces with controlled, stimuli-responsive functionality.
- The developed platform is suitable for applications in controlled release, biosensing, and adaptive interfaces.
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