Results 131 to 140 of about 543,871 (306)

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

On Chattering-Free Dynamic Sliding Mode Controller Design

open access: yesJournal of Control Science and Engineering, 2012
For a class of linear MIMO uncertain systems, a dynamic sliding mode control algorithm that avoids the chattering problem is proposed in this paper. Without using any differentiator, we develop a modified asymptotically stable second-order sliding mode ...
Jeang-Lin Chang
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Analysis of Dynamic Stall Using Dynamic Mode Decomposition Technique [PDF]

open access: yes, 2013
Dynamic mode decomposition is applied to investigate the unsteady flowfield around a pitching airfoil. The extracted flow structures are termed as dynamic mode decomposition modes.
Richter, Kai   +7 more
core   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Modélisation en dynamique rapide du délaminage des composites à l’aide d’éléments finis cohésifs = Dynamic delamination modeling of unidirectional composites by cohesive finite elements [PDF]

open access: yes, 2009
Les éléments finis cohésifs sont utilisés pour modéliser le délaminage dans les matériaux composites stratifiés T800/M21. On propose dans cette étude d’utiliser ces éléments dans un code de dynamique rapide (LS-DYNA) afin de prévoir les endommagements de
Salaün, Michel   +4 more
core  

Hybrid fuzzy and sliding-mode control for motorised tether spin-up when coupled with axial vibration [PDF]

open access: yes, 2009
A hybrid fuzzy sliding mode controller is applied to the control of motorised tether spin-up coupled with an axial oscillation phenomenon. A six degree of freedom dynamic model of a motorised momentum exchange tether is used as a basis for interplanetary
Chen, Y., Cartmell, M.P., Cartmell, M.
core   +1 more source

Improving the measurement quality of rotor imbalance parameters during the spherical circulation motion by using new measuring transducer design

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки
Background. Residual unbalance is one of key quality characteristics for rotating parts (rotors). This value determines the upper allowable limit for the rotor rotational speed in specific supports.
I.I. Artemov   +3 more
doaj   +1 more source

ABL kinase‐dependent phosphorylation of SH proteins promotes their direct interaction with CRK family SH2 domains

open access: yesFEBS Letters, EarlyView.
CT10 regulator of kinase (CRK) and CRK‐Like (CRKL) are signaling adaptors driving cell adhesion, motility, differentiation, and proliferation. SH2‐domain containing (SH) proteins are enriched in YXXP motifs which when phosphorylated create preferred binding sites for CRK family SH2 domains.
Phoebe M. Cousens   +8 more
wiley   +1 more source

Penalized likelihood estimation and iterative kalman smoothing for non-gaussian dynamic regression models [PDF]

open access: yes, 1995
Dynamic regression or state space models provide a flexible framework for analyzing non-Gaussian time series and longitudinal data, covering for example models for discrete longitudinal observations.
Fahrmeir, Ludwig, Wagenpfeil, Stefan
core   +1 more source

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