Results 41 to 50 of about 2,911,926 (286)

Transient Active Power in Two-Terminal Networks

Energies
This article presents the hitherto unknown concept of transient active power in two-terminal networks. This phenomenon occurs when current and voltage signals are not sinusoidal but quasi-sinusoidal—in the case of an approximation of transient state. The
Konrad Hawron, Bartosz Rozegnał, Maciej Sułowicz   +2 more
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

FEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa, Shinya Sugimoto, Toshiro Sato   +2 more
wiley   +1 more source

A Two-Dimensional Frequency Modulation Deception Jamming Against ISAR

IEEE Access, 2019
This paper proposes a false target jamming method for countering ISAR based on two-dimensional frequency modulation. The target template is created according to the ISAR image of a true target.
Ning Tai, Huan Lin, Yongwei Lu, Hui Han, Xiong Xu, Yonghu Zeng   +5 more
doaj   +1 more source

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

FEBS 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, Xinqi Yan, Lucas F. Jansen Klomp, Stefano Schivo, Janine N. Post   +4 more
wiley   +1 more source

Optimization of an avionic VCSEL-based optical link through large signal characterization [PDF]

, 2008
Optical communication systems have been widely preferred for network communications, especially for Datacoms Local Area Network links. The optical technology is an excellent candidate for on-board systems due to the potential weight saving and EMC ...
Khadijetou S. Ly, A. Rissons, Rissons, Angélique, Mollier, Jean-Claude, E. Gambardella, Ly, Khadijetou, Gambardella, Eddie, J.-C. Mollier   +7 more
core   +1 more source

Rotary Valve Control Technology and Simulation Based on Phase Shift Keying Technology

Shiyou jixie, 2019
To further improve the transmission rate and increase the bandwidth utilization during the modulation process of the QPSK and MPSK drilling fluid continuous pressure wave signal, based on the demand of transmission speed and reliability of the wireless ...
Song Xiaojian, Zhang Pengyu, Wang Mingchuan, Zhang Jie, Ma Hongyan, Zhao Yiheng   +5 more
doaj  

Modulation of calcium signalling by mitochondria

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2009
In this review we will attempt to summarise the complex and sometimes contradictory effects that mitochondria have on different forms of calcium signalling. Mitochondria can influence Ca(2+) signalling indirectly by changing the concentration of ATP, NAD(P)H, pyruvate and reactive oxygen species - which in turn modulate components of the Ca(2 ...
Walsh, Ciara, Barrow, Stephanie, Voronina, Svetlana, Chvanov, Michael, Petersen, Ole H., Tepikin, Alexei   +5 more
openaire   +2 more sources

Design and analysis strategies for robust microbiome ageing research

FEBS 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, İsmail Güderer, Yi Wang, Tayyaba Alvi, Prasoon Pandey, Handan Melike Dönertaş   +5 more
wiley   +1 more source

A Study of Motor Bearing Fault Diagnosis using Modulation Signal Bispectrum Analysis of Motor Current Signals [PDF]

, 2013
Failure of induction motors are a large concern due to its influence over industrial production. Motor current signature analysis (MCSA) is common practice in industry to find motor faults. This paper presents a new approach to detection and diagnosis of
Chen, Zhi, Gu, Fengshou, Ball, Andrew, Alwodai, Ahmed, Wang, Tie, Cattley, Robert   +5 more
core   +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