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  • 1
    Electronic Resource
    Electronic Resource
    Characteristic time scales for the adsorption process for fibrinogen on silica (1992)
    s.l. : American Chemical Society
    Langmuir 8 (1992), S. 514-517 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00038a034
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  • 2
    Electronic Resource
    Electronic Resource
    Thermal denaturation of an adsorbed fibrinogen layer studied by reflectometry (1987)
    s.l. : American Chemical Society
    Langmuir 3 (1987), S. 1128-1131 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00078a044
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  • 3
    Electronic Resource
    Electronic Resource
    Block copolymer adsorption in a selective solvent: a kinetic study (1990)
    s.l. : American Chemical Society
    Macromolecules 23 (1990), S. 5299-5311 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00228a001
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  • 4
    Electronic Resource
    Electronic Resource
    Adsorption Rate in the Convection-Diffusion Model (1994)
    s.l. : American Chemical Society
    Langmuir 10 (1994), S. 3898-3901 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00022a081
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  • 5
    Electronic Resource
    Electronic Resource
    Stretching necklaces (2000)
    Springer
    The European physical journal 2 (2000), S. 289-300 
    Details
    ISSN: 1292-895X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Polyelectrolytes in poor solvents show a necklace structure where collapsed polymer pearls are linked to stretched strings. In the present paper the elasticity of such chains is studied in detail. Different deformation regimes are addressed. The first is the continuous regime, where many pearls are present. A continuous force extension relationship is calculated. The main contribution comes from the tension balance and the electrostatic repulsion of consecutive pearls. The main correction term stems from the finite size of the pearls, which monitors their surface energy. For a finite amount of pearls discontinuous stretching is predicted. Finally counterion effects are discussed qualitatively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00013674
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  • 6
    Electronic Resource
    Electronic Resource
    Polyelectrolyte gels in poor solvent: Elastic moduli (2000)
    Springer
    The European physical journal 3 (2000), S. 237-244 
    Details
    ISSN: 1292-895X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We study theoretically using scaling arguments the behavior of polyelectrolyte gels in poor solvents. Following the classical picture of Katchalsky, our approach is based on single-chain elasticity but it accounts for the recently proposed pearl necklace structure of polyelectrolytes in poor solvents. The elasticity both of gels at swelling equilibrium and of partially swollen gels is studied when parameters such as the ionic strength or the fraction of charged monomers are varied. Our theory could be useful to interpret recent experiments performed in Strasbourg that show that if identical gel samples are swollen to the same extent at different pH the sample with the highest charge has the lowest shear modulus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101890070015
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  • 7
    Electronic Resource
    Electronic Resource
    Conformation of weakly charged polyelectrolytes at a solid–liquid interface (1991)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 94 (1991), S. 6873-6878 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The adsorption characteristics of polyelectrolyte chains on a plane surface are derived. The approach uses the mean-field arguments first developed by de Gennes [Rep. Prog. Phys. 32, 187 (1969)] and Richmond and Jones and Richmond [J. Chem. Soc. Faraday Trans. 73, 1062 (1977)] for the evaluation of the configuration probability of a neutral chain at an interface. Electrostatic interactions among monomers are treated through the linearized Poisson–Boltzmann equation. The treatment is restricted to dilute solutions and to weakly charged polyelectrolytes. Simply analytical expressions are derived for the concentration profile and the adsorption isotherm which are expressed in terms of two characteristic lengths L1 which characterizes the range of surface forces and L2, the Debye–Hückel length, which characterizes the range of electrical forces. Once these variables are fixed, it appears that the adsorption cannot exceed a critical value Γm which is tuned by the temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.460267
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  • 8
    Electronic Resource
    Electronic Resource
    Diblock copolymers in selective solvents
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 172 (1991), S. 285-289 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(91)90327-9
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  • 9
    Electronic Resource
    Electronic Resource
    Bridging by adsorbed polymers between two surfaces (1994)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 101 (1994), S. 9181-9194 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We analyze the adsorption of flexible polymers between two parallel plates separated a distance 2l. We consider a semidilute polymer solution in contact with the two adsorbing walls and describe the statistics of bridges and loops. A detailed mean-field calculation allows us to obtain the size and density of bridges in two regimes: l(approximately-greater-than)ξ and l〈ξ, where ξ is the bulk correlation length, as well as the size of loop and train sequences. These results are compared with a scaling analysis performed in the spirit of the self-similar profile introduced by de Gennes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.468448
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  • 10
    Electronic Resource
    Electronic Resource
    Chain desorption from a semidilute polymer brush: A Monte Carlo simulation (1994)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 101 (1994), S. 4379-4390 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We discuss the dynamic properties of a semidilute grafted polymer layer exposed to pure solvent. When the grafting energy of the head groups of the chains is finite, the chains desorb and are expelled from the layer. We combine Monte Carlo simulations using the bond fluctuation model to self-consistent mean field calculations and a scaling analysis. Chain desorption can be seen as a two step process. For strongly grafted polymers the limiting step is the desorption of the head group. The chain is then expelled by the osmotic pressure gradient. A chain cut off the wall is expelled at a constant velocity of its center of mass. The velocity decreases as the inverse of the molecular weight and increases with the grafting density. In the early stages of the expulsion the tension of the monomers close to the wall relaxes and the chain retracts. The retraction is independent of the molecular weight. Our most important result is that the desorption of the head group is a local process with a characteristic time independent of molecular weight. The desorption time increases exponentially with the grafting energy, it decreases as a power law of the grafting density. The exponent is close to 2 but the precise value is difficult to extract from the simulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.468410
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