Results 141 to 150 of about 25,417,473 (341)

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

A dynamic mesh refinement in Physic-Informed Neural Networks for handling Stiff Partial Differential Equations

open access: yesAlexandria Engineering Journal
Stiff Partial Differential Equations (PDEs) pose considerable challenges due to the presence of steep gradients, which often lead to large residuals when employing coarse training mesh grids, while excessively refined grids substantially increase ...
Nursyiva Irsalinda   +4 more
doaj   +1 more source

Stiff Circuit System Modeling via Transformer

open access: yesCoRR
Accurate and efficient circuit behavior modeling is a cornerstone of modern electronic design automation. Among different types of circuits, stiff circuits are challenging to model using previous frameworks. In this work, we propose a new approach using Crossformer, which is a current state-of-the-art Transformer model for time-series prediction tasks,
Weiman Yan, Yi-Chia Chang, Wanyu Zhao
openaire   +2 more sources

A COMPUTATIONAL METHOD FOR HIGHLY STIFF NONLINEAR SPATIOTEMPORAL SYSTEMS

open access: yes, 2010
A computational method is proposed for solving highly stiff nonlinear ordinary/partial differential equations of dynamic systems. The method is based on exponential time-differencing in conjunction with a refined time-stepping algorithm and a fixed ...
DAOLIN XU, JIAXI ZHOU
core   +1 more source

Septin 9 PB domains coordinate centrosome positioning and microtubule acetylation to control epithelial polarity

open access: yesFEBS Letters, EarlyView.
Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai   +4 more
wiley   +1 more source

Ground movements due to excavation in clay: physical and analytical models

open access: yes, 2010
In view of the recent catastrophes associated with deep excavations, there is an urgent need to provide vital guidelines on the design of the construction process.

core   +1 more source

Rab14 regulates the transport of human papillomavirus to the trans‐Golgi network for infectious cell entry

open access: yesFEBS Letters, EarlyView.
This study reveals that the small GTPase Rab14 is necessary for human papillomavirus (HPV) infection and plays an essential role in the transport of virions to the trans‐Golgi network (TGN). HPV in the early endosome (EE), which harbors GTP‐bound Rab14, is transported to the TGN through the switch of Rab14 from its GTP‐bound to GDP‐bound form.
Yoshiyuki Ishii, Iwao Kukimoto
wiley   +1 more source

Operator-Based Preconditioning of Stiff Hyperbolic Systems

open access: yes, 2009
We introduce an operator-based scheme for preconditioning stiff components encoun- tered in implicit methods for hyperbolic systems of partial differential equations posed on regular grids.
Daniel R. Reynolds, Ravi Samtaney, and Carol S. Woodward
core  

Runge-Kutta Methods of Higher Order for Solving Stiff Problems

open access: yes, 2008
Our purpose in this research is the development of higher order Runge-Kutta methods for solving stiff systems. We have developed methods of order five, six, and seven. We studied their stability Region and applications for solving stiff systems.
Mohammed Salih, Basheer Salih
core   +1 more source

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