Results 11 to 20 of about 494 (181)

Transient Absorption Spectroscopy of Blue Copper Sites in Divergent Protein Folds: Azurin Versus Multicopper Oxidase. [PDF]

open access: yesChemphyschem
Ultrafast pump‐probe spectroscopy of two evolutionarily divergent blue copper proteins reveals distinct low‐frequency ground‐state collective modes (38 cm−1 in SLAC, 29 cm−1 in azurin) generated via impulsive stimulated Raman scattering, potentially reflecting the differences in the rigidity of the surrounding protein scaffold beyond a conserved Cu ...
Domenianni LI, Kielb P.
europepmc   +2 more sources

Computational Fluid Dynamics of the Flow of the Deformable Toroidal Embolic Agents Within Straight and Stenotic Pipes by Full Eulerian FSI Method. [PDF]

open access: yesInt J Numer Method Biomed Eng
We numerically analyzed the flow and deformation of a toroidal embolic agent in straight and stenotic pipes with full Eulerian fluid‐structure interaction. The fluid passes through the hole of the torus, and the deformation is categorized into three deformation modes such as bending, rotation, and elongation.
Matsumiya K   +4 more
europepmc   +2 more sources

Improved iterative oscillation tests for first-order deviating differential equations [PDF]

open access: yesOpuscula Mathematica, 2018
In this paper, improved oscillation conditions are established for the oscillation of all solutions of differential equations with non-monotone deviating arguments and nonnegative coefficients.
George E. Chatzarakis, Irena Jadlovská
doaj   +1 more source

Bounded nonoscillatory solutions of neutral type difference systems

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2009
This paper deals with the existence of a bounded nonoscillatory solution of nonlinear neutral type difference systems. Examples are provided to illustrate the main results.
Ethiraju Thandapani   +2 more
doaj   +1 more source

On the Growth of Nonoscillatory Solutions for Difference Equations with Deviating Argument [PDF]

open access: yesAdvances in Difference Equations, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
M. CECCHI, Z. DOSLA, MARINI, MAURO
openaire   +4 more sources

Oscillation of the per capita growth rate

open access: yesمجلة بغداد للعلوم, 2005
in this paper cquations of the per capita growth rate are considered sufficient conditions for oscillation of all solutions are obtained the asymptotie behavior of the nonoscillatory solution of all souliotions are ...
Baghdad Science Journal
doaj   +1 more source

A Nonoscillatory Second-Order Time-Stepping Procedure for Reaction-Diffusion Equations

open access: yesComplexity, 2020
After a theory of morphogenesis in chemical cells was introduced in the 1950s, much attention had been devoted to the numerical solution of reaction-diffusion (RD) partial differential equations (PDEs).
Philku Lee   +2 more
doaj   +1 more source

Oscillations of equations caused by several deviating arguments [PDF]

open access: yesOpuscula Mathematica, 2019
Linear delay or advanced differential equations with variable coefficients and several not necessarily monotone arguments are considered, and some new oscillation criteria are given.
George E. Chatzarakis
doaj   +1 more source

Remarks on the existence of nonoscillatory solutions of half-linear ordinary differential equations, I [PDF]

open access: yesOpuscula Mathematica, 2021
We consider the half-linear differential equation of the form \[(p(t)|x'|^{\alpha}\mathrm{sgn} x')' + q(t)|x|^{\alpha}\mathrm{sgn} x = 0, \quad t\geq t_{0},\] under the assumption \(\int_{t_{0}}^{\infty}p(s)^{-1/\alpha}ds =\infty\). It is shown that if a
Manabu Naito
doaj   +1 more source

Oscillation of Nonlinear Differential Equations with Advanced Arguments

open access: yesمجلة بغداد للعلوم, 2008
This paper is concerned with the oscillation of all solutions of the n-th order delay differential equation . The necessary and sufficient conditions for oscillatory solutions are obtained and other conditions for nonoscillatory solution to converge ...
Baghdad Science Journal
doaj   +1 more source

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