Results 51 to 60 of about 32,527 (309)

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

open access: yesFEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto   +3 more
wiley   +1 more source

On singular integral equations with variable limits of integration

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2019
The wide range of problems of mathematical physics is reduced to a special Volterra integral equation of the second kind or to integral equations with variable limits of integration.
D.M. Akhmanova   +2 more
doaj   +1 more source

On Numerical Solutions of Boundary Integral Equations

open access: yesBulletin of JSME, 1985
Elastic boundary value problems can be formulated in the form of boundary integral equations, whose numerical solutions are obtained by boundary element methods. This paper deals with error estimation of boundary element solutions. Especially, approximate solutions obtained by constant or linear elements are investigated for cases of two-dimensional ...
TAKAKUDA, Kazuo   +2 more
openaire   +3 more sources

Wavelet Galerkin Algorithms for Boundary Integral Equations [PDF]

open access: yesSIAM Journal on Scientific Computing, 1999
This very interesting and informative paper is directed to one of the important problems in applying wavelets to boundary integral equations: How can the asymptotic estimates for optimal compression, which means a priori neglecting of specific matrix entries, be transfered to realizable at least nearly optimal, i.e.
Christian Lage, Christoph Schwab
openaire   +2 more sources

Numerical solution and spectrum of boundary-domain integral equation for the Neumann BVP with variable coefficient

open access: yes, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 Taylor & Francis.In this paper, a numerical implementation of a direct united boundary-domain integral equation (BDIE ...
Mikhailov, SE, Mohamed, NA
core   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Piecewise Polynomial Collocation for Boundary Integral Equations [PDF]

open access: yesSIAM Journal on Scientific Computing, 1995
The authors consider the numerical solution of the Laplace equation: (i) in the interior of a simply connected region \(D \subset \mathbb{R}^3\) with Dirichlet boundary condition and (ii) in the exterior of \(D\) with Neumann boundary condition. The boundary \(S\) of \(D\) is either smooth or piecewise smooth.
Kendall E. Atkinson, David Da-Kwun Chien
openaire   +2 more sources

Localized boundary-domain integral formulations for problems with variable coefficients

open access: yes, 2002
Specially constructed localized parametrixes are used in this paper instead of a fundamental solution to reduce a boundary value problem with variable coefficients to a localized boundary-domain integral or integro-differential equation (LBDIE or LBDIDE).
S.E. Mikhailov, Mikhailov, SE
core   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Wavelet formulation of the polarizable continuum model. II. Use of piecewise bilinear boundary elements [PDF]

open access: yes, 2015
The simplicity of dielectric continuum models has made them a standard tool in almost any Quantum Chemistry (QC) package. Despite being intuitive from a physical point of view, the actual electrostatic problem at the cavity boundary is challenging: the ...
Simen Sommerfelt Reine   +12 more
core   +1 more source

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