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Coupling of Individual Polyelectrolyte Capsules onto Patterned Substrates

Title data

Nolte, Marc ; Fery, Andreas:
Coupling of Individual Polyelectrolyte Capsules onto Patterned Substrates.
In: Langmuir. Vol. 20 (April 2004) Issue 8 . - pp. 2995-2998.
ISSN 1520-5827
DOI: https://doi.org/10.1021/la036144j

Official URL: Volltext

Abstract in another language

In this paper, we show that it is possible to direct the adhesion of polyelectrolyte microcapsules to patterned substrates. The patterned substrate contains regions of like and oppositely charged polyelectrolyte coatings: Adhesion of microcapsules is blocked by regions of the substrate containing like charges, while we find strong adhesion on oppositely charged regions. The approach is completely based on self-assembly and can be performed under ambient laboratory conditions. We demonstrate that it is thus possible to isolate individual microcapsules, with enclosed volumes on the order of femtoliters, and create arrays. This strategy could find applications in the field of combinatorial chemistry or sensing techniques where the capsules can serve as reaction volumes or containers for sensing agents, respectively.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 09 Dec 2014 10:02
Last Modified: 09 Dec 2014 10:02
URI: https://eref.uni-bayreuth.de/id/eprint/4046