Results 31 to 40 of about 394,882 (288)

Periodic band formation of Fe(OH)3 precipitate through reaction–diffusion–reaction processes

open access: yesFrontiers in Physics, 2023
This paper reports a new class of periodic banding of Fe(OH)3 precipitate through reaction–diffusion–reaction (RDR) processes in agarose gel sandwiched between two metal rods (Ti and Fe) with cyclic alternating voltages.
Hisashi Hayashi
doaj   +1 more source

Fluctuations and stability in front propagation [PDF]

open access: yes, 2010
Propagating fronts arising from bistable reaction-diffusion equations are a purely deterministic effect. Stochastic reaction-diffusion processes also show front propagation which coincides with the deterministic effect in the limit of small fluctuations (
Castelpoggi F.   +6 more
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Hierarchical Reaction-Diffusion Master Equation

open access: yes, 2019
We have developed an algorithm coupling mesoscopic simulations on different levels in a hierarchy of Cartesian meshes. Based on the multiscale nature of the chemical reactions, some molecules in the system will live on a fine-grained mesh, while others ...
Hellander, Andreas, Hellander, Stefan
core   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Modeling of an array of amperometric microbiosensors

open access: yesLietuvos Matematikos Rinkinys, 2004
This paper presents a two-dimensional-in-space mathematical model of a sensor system based on an array of enzyme microreactors immobilised on a single electrode.
Feliksas Ivanauskas   +3 more
doaj   +1 more source

Structural biology of ferritin nanocages

open access: yesFEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

On reaction-diffusion systems

open access: yesElectronic Journal of Differential Equations, 1998
We consider reaction-diffusion systems which are strongly coupled. we prove that they generate analytic semigroups, find a characterization for the spectrum of the generator, and present some examples.
Luiz Augusto F. De Oliveira
doaj  

New conditional symmetries and exact solutions of nonlinear reaction-diffusion-convection equations. II

open access: yes, 2006
In the first part of this paper math-ph/0612078, a complete description of Q-conditional symmetries for two classes of reaction-diffusion-convection equations with power diffusivities is derived.
Ames W F   +24 more
core   +3 more sources

Robust Localization of the Best Error with Finite Elements in the Reaction-Diffusion Norm [PDF]

open access: yes, 2014
We consider the approximation in the reaction-diffusion norm with continuous finite elements and prove that the best error is equivalent to a sum of the local best errors on pairs of elements.
Tantardini, Francesca   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy