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Proceedings Paper

Stable and robust nanotubes formed from self-assembled polymer membranes
Author(s): Kristian Helmerson; Joseph E. Reiner; Rani B. Kishore; Ana Jofre; Maria Allegrini; Candace Pfefferkorn; Jeffrey M. Wells
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Paper Abstract

We create long polymer nanotubes by directly pulling on the membrane of polymersomes using either optical tweezers or a micropipette. The polymersomes are composed of amphiphilic diblock copolymers and the nanotubes formed have an aqueous core connected to the aqueous interior of the polymersome. We stabilize the pulled nanotubes by subsequent chemical cross-linking. The cross-linked nanotubes are extremely robust and can be moved to another medium for use elsewhere. We demonstrate the ability to form networks of polymer nanotubes and polymersomes by optical manipulation. The aqueous core of the polymer nanotubes together with their robust character makes them interesting candidates for nanofluidics and other applications in biotechnology.

Paper Details

Date Published: 11 September 2006
PDF: 11 pages
Proc. SPIE 6326, Optical Trapping and Optical Micromanipulation III, 63261Z (11 September 2006); doi: 10.1117/12.681391
Show Author Affiliations
Kristian Helmerson, National Institute of Standards and Technology (United States)
Joseph E. Reiner, National Institute of Standards and Technology (United States)
Rani B. Kishore, National Institute of Standards and Technology (United States)
Ana Jofre, National Institute of Standards and Technology (United States)
Maria Allegrini, National Institute of Standards and Technology (United States)
Candace Pfefferkorn, Gettysburg College (United States)
Jeffrey M. Wells, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 6326:
Optical Trapping and Optical Micromanipulation III
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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