Abstract
The formation kinetics and self-assembly of multilamellar tubules of the diacetylenic phospholipid 1,2-bis(tricosa-10,12-diynoyl)- sn -glycerol-3-phosphocholine formed under controlled cooling rates were studied by x-ray diffraction and optical, atomic force, and scanning electron microscopy. Tubule formation was driven by a reversible first-order phase transition from an intralamellar, chain-melted L α phase to a chain-frozen L β , phase. These observations are the basis of a highly efficient method of tubule production in which tubule lengths can be controlled, between 1 and 100 micrometers, by varying the cooling rate. These tubules can be made in suspensions with 10 percent lipid by mass, far exceeding the lipid solubility limit.
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Dates
Type | When |
---|---|
Created | 18 years, 9 months ago (Oct. 27, 2006, 2:19 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 6:03 p.m.) |
Indexed | 1 month, 3 weeks ago (June 30, 2025, 7:27 a.m.) |
Issued | 30 years, 5 months ago (March 17, 1995) |
Published | 30 years, 5 months ago (March 17, 1995) |
Published Print | 30 years, 5 months ago (March 17, 1995) |
@article{Thomas_1995, title={Lipid Tubule Self-Assembly: Length Dependence on Cooling Rate Through a First-Order Phase Transition}, volume={267}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.267.5204.1635}, DOI={10.1126/science.267.5204.1635}, number={5204}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Thomas, Britt N. and Safinya, Cyrus R. and Plano, Robert J. and Clark, Noel A.}, year={1995}, month=mar, pages={1635–1638} }