Abstract
The association of lipid molecules into spherical vesicles in solution as a result of nonspecific intermolecular forces constitutes a primary self-assembly process. Such vesicles can undergo a secondary self-assembly into higher order structures in a controlled and reversible manner by means of site-specific ligand-receptor (biotin-streptavidin) coupling. Cryoelectron microscopy shows these structures to be composed of tethered, rather than adhering, vesicles in their original, unstressed state. In contrast, vesicles aggregated by nonspecific, such as van der Waals, forces are deformed and stressed, producing unstable structures. Vesicle association by site-specific binding provides a practical mechanism for the production of stable, yet controllable, microstructured biomaterials.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 8:01 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 15, 2024, 6:42 a.m.) |
Indexed | 1 month, 3 weeks ago (July 7, 2025, 5:07 a.m.) |
Issued | 31 years, 2 months ago (June 17, 1994) |
Published | 31 years, 2 months ago (June 17, 1994) |
Published Print | 31 years, 2 months ago (June 17, 1994) |
@article{Chiruvolu_1994, title={Higher Order Self-Assembly of Vesicles by Site-Specific Binding}, volume={264}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.8209255}, DOI={10.1126/science.8209255}, number={5166}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Chiruvolu, Shivkumar and Walker, Scott and Israelachvili, Jacob and Schmitt, Franz-Josef and Leckband, Deborah and Zasadzinski, Joseph A.}, year={1994}, month=jun, pages={1753–1756} }