Results 121 to 130 of about 681,202 (166)

Nonionic peptide amphiphiles and their supramolecular co-assemblies tune charge density and bioactivity.

J Mater Chem B
Lewis JA, Freeman R, Clemons TD, Godbe JM, Stephanopoulos N, Stupp SI.   +5 more
europepmc   +1 more source

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DNA Structure: What's in Charge?

Journal of Molecular Biology, 2000
DNA structure is well known to be sensitive to hydration and ionic strength. Recent theoretical predictions and experimental observations have raised the idea of the intrusion of monovalent cations into the minor groove spine of hydration in B-form DNA.
K J, McConnell, D L, Beveridge
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ON THE STRUCTURE OF CHARGED INTERFACES

Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1963
Abstract Former models of the electric double layer, and several alternative possibilities, lack consistency with six well-known facts. The paper attempts to adduce models which allow interpretation of these. The potential, not the charge, is the dependent variable in the double layer.
J. O’m. Bockris, M. A. V. Devanathan, K. Müller   +2 more
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Structure and charge distribution of multiply charged C70

Chemical Physics Letters, 1994
Abstract Spin-restricted Hartree—Fock molecular orbitals calculations have been performed for C n 70 (−6 ⩽ n ⩽ + 6) at a MNDO type semi-empirical level based on the PM3 parameterization. The optimized geometries reveal interesting variations in bond lengths.
Emil Roduner, Ivan D. Reid
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On neutron charge structure

Czechoslovak Journal of Physics, 1991
The aim of the present work is to investigate the charge structure of neutron by calculating its root mean square charge radius 〈rn2〉1/2 and the corresponding charge form factor,Gn(q), within the general framework of quark-parton model. The neutron (the nucleon in general) is considered to be disc-like in conformity with the idea of Lorentz invariance.
D. Parashar, M. A. Khalil, M. Y. Hussein
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Charge structure of the neutron

Il Nuovo Cimento A, 1976
The Clementel-Villi (CV) model used earlier for the proton is now extended to study the charge structure of the neutron. Satisfactory results are obtained for small values ofq2. For large values ofq2, where the CV model fails, a modified CV model for the nucleon is suggested. It is found that for the neutron the modified CV model explains the available
R. S. Kaushal, D. Parashar
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Charge Flow Mechanism and Charge Effects in Polymer Film Structures

Molecular Crystals and Liquid Crystals, 2005
The mechanisms of charge flow in organic polymer PEPC and 3,6-di-Br-PEPC films, V2O5 xerogel and composite films of PEPC + N mas.% V2O5 and 3,6-di-Br-PEPC + N mas.% V2O5 are investigated. The conductivity of composite films is established to depend on the polymer nature, V2O5 content, and presence of charge-transfer complexes between the polymers and ...
Fenenko, L, Smertenko, P, Svechnikov, S, Guba, N, Grebinskaya, L, Oktik, S, Tuzun, O   +6 more
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The structure of charged interfaces

Sensors and Actuators, 1981
In this mtroductory lecture I will give you an overview of some of the specml aspects of charged interfaces At the outset I should confess that I know very little about the mterface between semiconductors and aqueous solutions which will be the focus of this meeting, so I will have to talk ‘“around it” You can take that farrly literally, smce I will ...
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The charge structure function in electrolytes and polyelectrolytes

Biophysical Chemistry, 1991
The relation between charge and dielectric structure functions is examined in the case of electrolytes and polyelectrolytes. When the coupling constant is larger than unity, characteristic features should be observed on the dielectric structure function, in addition to the classical screening effect.
G, Jannink, J R, van der Maarel
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The Geometry of Charged Dislocations in the NaCl Structure

physica status solidi (b), 1966
AbstractVarious dislocation configurations are examined in the NaCl structure for the presence of localized electrostatic charge assuming slip systems of the {110} 〈110〉 type. Pure edge and screw dislocations do not display an effective electrostatic charge. However, edge dislocations that possess a jog length of a √2/4 or an abrupt kink length of a √2/
W. A. Brantley, Ch. L. Bauer
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