Results 21 to 30 of about 173,398 (217)

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Saturation Detection-Based Blocking Scheme for Transformer Differential Protection

Energies, 2014
This paper describes a current differential relay for transformer protection that operates in conjunction with a core saturation detection-based blocking algorithm.
Byung Eun Lee, Jinsik Lee, Sung Ho Won, Byongjun Lee, Peter A. Crossley, Yong Cheol Kang   +5 more
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

FEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace, Alyssa Borges, Charles Arnaud, Tove Karlsson, Nina K. Bröker, Stefanie Barbirz, Marta Bally   +6 more
wiley   +1 more source

Current Transformer Error Compensation Under Core Saturation Conditions Based on Machine Learning Algorithms

Mathematics
To provide information support for relay protection and emergency automation algorithms, electromagnetic measuring voltage and current transformers are most often used.
Ismoil Odinaev, Svetlana Beryozkina, Andrey Pazderin, Mihail Senyuk, Murodbek Safaraliev, Pavel Dubrovin   +5 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS 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, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

Investigation of Impedance‐Based Protection Mechanisms for Dry‐Type Iron Core Reactors Under Core Saturation Conditions

IET Electric Power Applications
This paper discusses the potential core saturation issue in dry‐type iron core reactors caused by power system harmonics and proposes a protection strategy based on variations in third harmonic impedance characteristics. First, an equivalent model of the
Jiankang Liu, Qicheng Zhao, Sifang Wang, Yunbing Wei   +3 more
doaj   +1 more source

Approaches to determining the critical coefficients of water saturation Burdine formulas taking into account the differences in the limits of integration

Известия высших учебных заведений: Нефть и газ, 2019
The article is devoted to the determination of the critical water saturation ratio productive reservoirs. It is necessary to have information about these coefficients in order to interpret the geophysical research wells at the stage of exploration.
G. E. Stroyanetskaya
doaj   +1 more source

Analytical modeling and correction of steady state relative permeability experiments with capillary end effects – An improved intercept method, scaling and general capillary numbers

Oil & Gas Science and Technology, 2021
Steady state relative permeability experiments are performed by co-injection of two fluids through core plug samples. Effective relative permeabilities can be calculated from the stabilized pressure drop using Darcy’s law and linked to the corresponding ...
Andersen Pål Ø.
doaj   +1 more source

Investigating transcription factor dynamics in health and disease using FRAP

FEBS 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, Carolina Vazquez Garzon, Jose Joaquin Velasco, Janine N. Post   +3 more
wiley   +1 more source

Modeling and Simulation Analysis of Three-Phase Saturable Transformers: A Study on the Effects of Geomagnetically Induced Current on Transformers

Energies
The saturation model of the transformer is one of the core tools of multi-physics simulation. By combining it with multi-physics simulation, researchers can more comprehensively evaluate the performance of a transformer in actual applications ...
Junhong Duan, Yanyan Bao, Guangdong Zhang, Xiaofei Wang, Pin Jiang, Wei Niu, Hailong Zhang, Wenxi Zhen, Yue Xia, Ruikai Song   +9 more
doaj   +1 more source