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  • 1
    facet.materialart.
    facet.materialart.
    German Medical Science GMS Publishing House; Düsseldorf
    In:  50. Kongress für Allgemeinmedizin und Familienmedizin; 20160929-20161001; Frankfurt am Main; DOC16degam168 /20160919/
    Publication Date: 2016-09-19
    Keywords: ddc: 610
    Language: German
    Type: conferenceObject
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  • 2
    facet.materialart.
    facet.materialart.
    German Medical Science GMS Publishing House; Düsseldorf
    In:  50. Kongress für Allgemeinmedizin und Familienmedizin; 20160929-20161001; Frankfurt am Main; DOC16degam169 /20160919/
    Publication Date: 2016-09-19
    Keywords: Allgemeinmedizinische Konzepte für geriatrische Patienten ; Selbsterfahrung des Alterns ; Versorgung des alten Menschen ; ddc: 610
    Language: German
    Type: conferenceObject
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  • 3
    facet.materialart.
    facet.materialart.
    German Medical Science GMS Publishing House; Düsseldorf
    In:  51. Kongress für Allgemeinmedizin und Familienmedizin; 20170921-20170923; Düsseldorf; DOC17degam224 /20170905/
    Publication Date: 2017-09-05
    Keywords: Akzeptanz ; Handhabbarkeit ; Telemedizin ; ddc: 610
    Language: German
    Type: conferenceObject
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 21 (2001), S. 455-462 
    ISSN: 1434-6036
    Keywords: PACS. 87.15.-v Biomolecules: structure and physical properties – 61.41.+e Polymers, elastomers, and plastics – 36.20.Ey Conformation (statistics and dynamics)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Twist-storing polymers respond with elastic energy penalty to coherent or random twisting along the local chain axis away from its equilibrium, which can be straight (as in “ribbons”) or helical (as in DNA and other biopolymers). Here we study the equilibrium conformation of such polymers, focusing on the thermodynamic balance between twist and writhe, resulting from the competition between the random coil entropy and the potential energy stored in superhelical portions of the polymer chain. Two macroscopic variables characterise such a chain, the end-to-end distance R and the link number Lk, which is a topological invariant of a given polymer with clamped ends. We find that with increasing link number Lk, the chain accommodates its excess twist in growing plectonemes, unless forced out of this state by stretching its end-to-end distance R. We calculate the force-extension relation, which exhibits crossovers between different deformation regimes.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 112 (2000), S. 311-322 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Reversible molecular-dynamics (MD) simulations have been carried out on simple models for dispersions of circular Laponite clay platelets to investigate the local structure on a mesoscopic scale. The platelets carry discrete charged sites interacting via a screened Coulomb potential. In model A all surface sites have identical negative charge, while model B also includes rim charges of opposite sign. These two models were used in a series of simulations in the semidilute regime, and for three values of the Debye screening length. The structure of the dispersions is characterized by translational and orientational pair distribution functions, and by the corresponding structure factors. Qualitative differences in the pair structure arising from variations in concentration and screening length lead to a tentative identification of sol, gel, and crystal phases. The rim charges have a dramatic effect on the local structure in the strong screening regime, leading to T-shaped pair configuration and clustering of the platelets at low clay concentrations, and at higher concentrations to a space-filling "house-of-cards" structure. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
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