Results 71 to 80 of about 21,669,444 (330)

Low Reynolds number hydrodynamics of asymmetric, oscillating dumbbell pairs

open access: yes, 2010
Active dumbbell suspensions constitute one of the simplest model system for collective swimming at low Reynolds number. Generalizing recent work, we derive and analyze stroke-averaged equations of motion that capture the effective hydrodynamic far-field ...
A. Baskaran   +21 more
core   +1 more source

Liquid crystal phase and waterlike anomalies in a core-softened shoulder-dumbbells system [PDF]

open access: yes, 2009
Using molecular dynamics we investigate the thermodynamics, dynamics and structure of 250 diatomic molecules interacting by a core-softened potential.
Alan Barros de Oliveira   +7 more
core   +2 more sources

Acetylcholinesterase: diffusional encounter rate constants for dumbbell models of ligand

open access: yesBiophysical Journal, 1995
For some enzymes, virtually every substrate molecule that encounters the entrance to the active site proceeds to reaction, at low substrate concentrations. Such diffusion-limited enzymes display high apparent bimolecular rate constants ((kcat/KM)), which depend strongly upon solvent viscosity.
Antosiewicz, J.   +3 more
openaire   +2 more sources

On‐Surface Indigo‐Based Bimolecular Coordination Networks with Programmable Regular or Vitreous Structure

open access: yesAdvanced Functional Materials, EarlyView.
A previously unreported coordination motif stabilising single Fe atoms by indigo chelation and pyridyl coordination on Au(111) has been revealed. By using planar tritopic pyridyl linkers (TPyB), extended 2D porous networks of indigo3(TPyB)2Fe6 form. These networks can be crystalline or vitreous and offer an environment where individual coordination ...
Hongxiang Xu   +9 more
wiley   +1 more source

EXPERIMENTAL STUDY AND ANALYSIS ON THE CHARACTERISTICS AND FATIGUE LIFE OF DUMBBELL PIN OF SCRAPER CONVEYOR

open access: yesJixie qiangdu, 2018
To explore the issue of easy breakage of the scraper conveyor dumbbell pin, through a combination of experimental research and fatigue analysis of dumbbell analysis.
ZHANG DongSheng   +3 more
doaj  

Incorporation of Molecular Reorientation into Modeling Surface Pressure-Area Isotherms of Langmuir Monolayers

open access: yesMolecules, 2021
Langmuir monolayers can be assembled from molecules that change from a low-energy orientation occupying a large cross-sectional area to a high-energy orientation of small cross-sectional area as the lateral pressure grows. Examples include cyclosporin A,
José Agudelo   +2 more
doaj   +1 more source

Crystal nucleation of colloidal hard dumbbells

open access: yes, 2010
Using computer simulations we investigate the homogeneous crystal nucleation in suspensions of colloidal hard dumbbells. The free energy barriers are determined by Monte Carlo simulations using the umbrella sampling technique. We calculate the nucleation
Dijkstra, Marjolein, Ni, Ran
core   +2 more sources

Column ratio mapping: a processing technique for atomic resolution high angle annular dark field(HAADF) images [PDF]

open access: yes, 2008
An image processing technique is presented for atomic resolution high-angle annular dark-field (HAADF) images that have been acquired using scanning transmission electron microscopy (STEM).
Alan J. Craven   +36 more
core   +1 more source

NEURONAL INTEGRATIVE ANALYSIS OF THE "DUMBBELL" MODEL FOR PASSIVE NEURONS

open access: yesJournal of Integrative Neuroscience, 2002
We analyze the so called "Dumbbell" model of Jackson (J. Neurophysiol. 69 (1993) pp. 464) for a single neuron consisting of a patch-clamped cell body attached to dendritic cable of finite length terminating in an oblique derivative ("natural termination") boundary condition representing a dendritic swelling or a natural ending sealed by a continuous ...
Wojciech, Krzyzanski   +2 more
openaire   +2 more sources

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