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  • 1
    Electronic Resource
    Electronic Resource
    A computer simulation for the aggregation of associating polymers (1987)
    s.l. : American Chemical Society
    Macromolecules 20 (1987), S. 1999-2003 
    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/ma00174a052
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  • 2
    Electronic Resource
    Electronic Resource
    Concentration-dependent translational friction coefficients of polymers with excluded volume effect in dilute solutions (1985)
    s.l. : American Chemical Society
    Macromolecules 18 (1985), S. 1173-1182 
    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/ma00148a023
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  • 3
    Electronic Resource
    Electronic Resource
    Fractal dimension of a crosslinking polymer at the gel point (1986)
    s.l. : American Chemical Society
    Macromolecules 19 (1986), S. 1284-1285 
    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/ma00158a064
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  • 4
    Electronic Resource
    Electronic Resource
    Screening effect on viscoelasticity near the gel point (1989)
    s.l. : American Chemical Society
    Macromolecules 22 (1989), S. 4656-4658 
    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/ma00202a050
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  • 5
    Electronic Resource
    Electronic Resource
    Screening of hydrodynamics in a solution of crumpled manifolds (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 88 (1988), S. 2854-2855 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Considering a collection of crumpled manifolds of dimension D in a hydrodynamic continuum of space dimension d, the concentration dependence of the hydrodynamic screening length is derived. The frequency, molecular mass, and concentration dependencies of the viscosity of the solution are obtained in both the unscreened and screened regimes for arbitrary D and d and the conditions of validity are specified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.453973
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  • 6
    Electronic Resource
    Electronic Resource
    Statistical mechanics of solutions of semiflexible chains: A path integral formulation (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 411-418 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A path integral formulation has been used to study the behavior of a single chain in the solution of many semiflexible chains. The Flory–Huggins approximation on lattices suggests that the chains undergo a phase transition from a high temperature isotropic phase to an anisotropic phase where the chains are rod-like. Using a self-consistent approximation, we, however, find that, at any stiffness, long chains (in the limit of the chain length going to infinity) remain in the disordered state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452579
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  • 7
    Electronic Resource
    Electronic Resource
    Dynamics of polymeric fractals (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 83 (1985), S. 3161-3168 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We present an effective medium theory of the viscosity of a solution containing polymeric fractals. Both the intra- and interfractal hydrodynamic interactions and the excluded volume effect are included. Suppressing the entanglement effects, we have obtained explicit formulas for the viscosity at arbitrary frequencies and polymer concentrations. The concentration dependence of the screening length of the hydrodynamic interaction is also derived. The dependence of the viscosity of the solution on the fractal and spectral dimensions of the suspended fractals is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.449222
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  • 8
    Electronic Resource
    Electronic Resource
    Adsorption of a polyelectrolyte chain to a charged surface (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 7230-7235 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The criteria for the adsorption of a polyelectrolyte chain in a salt solution on a uniformly charged planar membrane are derived using mean field arguments. Explicit formulas are obtained to describe the adsorption characteristics for varying surface charge density, charge on the polymer, Debye screening length κ−1, chain length L, and temperature T. The adsorption can be tuned using any one of these parameters. When T is the tuning variable, for example, the chain is adsorbed at T〈Tc, where Tc is proportional to κ−3L−1 and κ−11/5L−1/5 in the weak and strong Coulombic screening limits, respectively. The thickness of the adsorbed layer is derived to vary linearly with κ−1 ln(Tc /T) for T〈Tc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452763
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  • 9
    Electronic Resource
    Electronic Resource
    Disentangling of two intertwined chains (1986)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 84 (1986), S. 440-443 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The nonequilibrium process of disentangling of two self-avoiding polymer chains is investigated using Monte Carlo methods. The initial configuration of the two chains corresponds to a double helix of M turns. Chains consisting of N=8M+1 segments with M=2, 4, and 8 have been simulated. The disentangling process is found to take place in two distinct stages. The first step is the softening of the original double helix configuration to form interpenetrating chains with their centers of mass not far away from each other. This process takes a typical time of the order of N3.0 ± 0.2 . During the first stage, the center of mass of the either strand obeys the diffusion law, with the diffusion coefficient D∼N−(1.6±0.2) . The second stage involves the actual unraveling of the interpenetrating chains to form the isolated coils. The time taken for this step is found to scale as N3.3±0.2 . After the disentangling is complete, we recover the Rouse behavior, D∼N−1 for the center of mass diffusion of each coil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.450157
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  • 10
    Electronic Resource
    Electronic Resource
    Concentration dependent translational self-friction coefficient of rod-like macromolecules in dilute suspensions (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 83 (1985), S. 2522-2531 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A general theory for the concentration dependent translational self-friction coefficients of rod-like macromolecules in suspensions is presented. Adopting the Kirkwood–Riseman model for the polymer and using a multiple scattering cluster expansion approach we have generated explicit expressions for the friction coefficients at infinite dilution as well as the leading terms of the concentration dependent friction coefficients for both theta solutions and solutions of hard rod-like macromolecules. The leading terms of the concentration dependent friction coefficients in both cases show a weak dependence on the molecular weight of the polymer, a dependence which is absent from the corresponding coefficients for spheres and flexible polymer chains in solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.449298
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