Results 71 to 80 of about 1,001,289 (316)

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

A static mixed-sensitivity ℓ2 control for discrete-time polytopic LPV systems using the poly-quadratic approach

open access: yesFranklin Open
This paper focuses on novel static mixed-sensitivity ℓ2 control synthesis for discrete-time polytopic linear parameter-varying (LPV) systems. The distinguished control formulation is intended to get efficient characterizations for a class of mixed ...
Renan L. Pereira, Karl Heinz Kienitz
doaj   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Robust control of infinite dimensional systems

open access: yes, 2014
Basic robust control problems are studied for the feedback systems where the underlying plant model is infinite dimensional. The H∞H∞ optimal controller formula is given for the mixed sensitivity minimization problem with rational weights.
Hitay Özbay, Özbay, Hitay
core   +1 more source

emgr—The Empirical Gramian Framework

open access: yesAlgorithms, 2018
System Gramian matrices are a well-known encoding for properties of input-output systems such as controllability, observability or minimality. These so-called system Gramians were developed in linear system theory for applications such as model order ...
Christian Himpe
doaj   +1 more source

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

Robust multivariable predictive control: how can it be applied to industrial test stands ? [PDF]

open access: yes, 2001
To cope with recent technological evolutions of air conditioning systems for aircraft, the French Aeronautical Test Center built a new test stand for certification at ground level.
Vaucoret, Cyril   +1 more
core   +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

What can systems and control theory do for agricultural science?

open access: yes, 2008
: While many professionals with a background in agricultural and bio-resource sciences work with models, only few have been exposed to systems and control theory.
Straten, G., van, van Straten, G.
core  

An Analytical and Numerical Sensitivity and Robustness Analysis of Wave Energy Control Systems [PDF]

open access: yes, 2019
Considerable effort has been expended on the design of control systems for wave energy converters (WECs) over the past two decades. Working from the fundamental requirement of impedance matching, a variety of conceptual and practical algorithms have ...
Mérigaud, Alexis   +4 more
core   +1 more source

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