Results 91 to 100 of about 14,634,982 (301)

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

Stability Analysis of a Time-Delay Load Frequency Control System via an Improved Matrix-Separation-Based Inequality

open access: yesEnergies
This study focuses on the stability of time-delay load frequency control (LFC) systems. Based on the Lyapunov–Krasovskii (L–K) functional method, a stability criterion with less conservatism and lower computational complexity is proposed.
Fei Long, Haojie Du, Mo Li
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

K-State First-Year Experience Task Force Report [PDF]

open access: yes, 2007
K-State First, University's First Year Experience ProgramA report describing the details of the K-State First Year Experience Task Force of 2007 at Kansas State University.
Kansas State University, K-State First
core  

Hyperstability of the k-Cubic Functional Equation in Non-Archimedean Banach Spaces

open access: yes, 2020
Using the fixed point approach, we investigate a general hyperstability results for the following k-cubic functional equations fkx+y+fkx−y=kfx+y+kfx−y+2kk2−1fx, where k is a fixed positive integer ≥2, in ultrametric Banach ...
Youssef Aribou, Mohamed Rossafi
core   +1 more source

K&K nr. 124:Handel

open access: yes, 2017
Temanummer af K&K om fremstilling af handel op gennem litteraturens ...

core   +1 more source

Sharp estimates of products of inner radii of non-overlapping domains in the complex plane

open access: yesПроблемы анализа, 2019
In the paper we study a generalization of the extremal problem of geometric theory of functions of a complex variable on non-overlapping domains with free poles: Fix any γ ∈ R + and find the maximum (and describe all extremals) of the functional [r (B 0 ,
Bakhtin A. K., Denega I. V.
doaj   +1 more source

Estimating the $K$ function of a point process with an application to cosmology

open access: yesThe Annals of Statistics, 2000
Motivated by the study of an important data set for understanding the large-scale structure of the universe, this work considers the estimation of the reduced second moment function, or K-function, of a stationary point process observed over a large number of segments of possibly varying lengths.
Stein, Michael L.   +2 more
openaire   +3 more sources

Investigating transcription factor dynamics in health and disease using FRAP

open access: yesFEBS Letters, EarlyView.
FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj   +3 more
wiley   +1 more source

Nongastric H,K‐ATPase: Structure and Functional Properties

open access: yes, 2003
Nongastric H,K-ATPases whose catalytic subunits (AL1) encoded by human ATP1AL1 and homologous animal genes comprise the third distinct group within the X,K-ATPase family. No unique nongastric beta has been identified.
MIKHAIL SHAKHPARONOV   +17 more
core   +1 more source

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