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In a polymer chemical gel, the network consists of covalent cross-links. In a polymer physical gel, the network is formed either through temporal entanglements or interactions (for example, electrostatic, van der Waals, hydrogen-bonding, or hydrophobic inter-actions) between macromolecular sections [see, for example, S. B. Ross-Murphy, in (1), p. 21]
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In a polymer chemical gel, the network consists of covalent cross-links. In a polymer physical gel, the network is formed either through temporal entanglements or interactions (for example, electrostatic, van der Waals, hydrogen-bonding, or hydrophobic inter-actions) between macromolecular sections [see, for example, S. B. Ross-Murphy, in (1), p. 21].
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See, for example, D. D. Lasic and D. Papahadjopoulos, Science 267, 1275 (1995); D. D Lasic and F. J. Martin, Eds., Stealth Liposomes (CRC Press, Boca Raton, FL, 1995).
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Stealth Liposomes
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0003911843
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See, for example, A. Ben-Shaul, W. M Gelbart, D Roux, Eds., Micelles, Membranes, Microemulsions and Monolayers (Springer-Verlag, New York, 1994).
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Micelles, Membranes, Microemulsions and Monolayers
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28
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4243104703
-
-
Each PEG-lipid has one negative charge, however, the membrane charge density is very low because of the low PEG-lipid concentration
-
Each PEG-lipid has one negative charge, however, the membrane charge density is very low because of the low PEG-lipid concentration
-
-
-
-
30
-
-
4243177701
-
-
note
-
Constant-stress oscillatory shear-strain experiments were carried out with a Rheometrics dynamic stress rheometer, model 1710C
-
-
-
-
32
-
-
4243100244
-
-
note
-
High-resolution x-ray scattering structural studies were carried out at the Stanford Synchrotron Radiation Laboratory on the wiggler beamlines 6-2 and 10-2.
-
-
-
-
33
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-
4243124915
-
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H E. Warriner, S. H. J. Idziak, C. R. Safinya, P. Pincus, in preparation
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H E. Warriner, S. H. J. Idziak, C. R. Safinya, P. Pincus, in preparation.
-
-
-
-
34
-
-
4243195507
-
-
The interaction results from undulation-induced antidepletion forces (P. Pincus and C. R. Safinya in preparation)
-
The interaction results from undulation-induced antidepletion forces (P. Pincus and C. R. Safinya in preparation).
-
-
-
-
35
-
-
4243200038
-
-
note
-
Samples were prepared in flat glass capillaries measunng 0.2 mm, 0.1 mm, and 0.05 mm thick, used as supplied by In Vitro Dynamics.
-
-
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36
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0018675551
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4243063582
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note
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On occasion, the gel mixtures contained a small amount of "spherulite"-type defects [that is, focal conic domains with positive Gaussian curvature (25); the "whispy" line defects that dominate have negative Gaussian curvature].
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41
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We are grateful to D. Lasic for many discussions regarding biomatenals based on poly(ethylene glycol)-lipid. We acknowledge useful discussions with J Prost, T. Lubensky, D Nelson, J.-B Fournier, F MacKintosh, and S. Safran C.R.S. is especially grateful to P. Ptncus for numerous extensive and instructive discussions on the physics of polymers at interfaces. P D. acknowledges partial support from a NATO (North Atlantic Treaty Organization) research fellowship. Partially supported by National Science Foundation (NSF) (DMR-93-01199) and the Petroleum Research Fund (27837-AC7). The Materials Research Laboratory at Santa Barbara is supported by the NSF under grant DMR-9123048. The synchrotron experiments were carned out at the Stanford Synchrotron Radiation Laboratory, which is supported by the U.S. Department of Energy.
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