Results 81 to 90 of about 4,166,400 (347)
Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Design of Small Photovoltaic Power Generation System Based on Maximum Power Point Tracking
Inteligencia Artificial, 2020 According to the nonlinear output characteristics of photovoltaic cells, combined with artificial intelligence algorithm the MPPT（Maximum Power Point Tracking）control algorithm based on fuzzy variable step size is proposed, which enables the system to ...
Yang Cui +3 more
doaj +1 more source
Predictive control of wind turbines by considering wind speed forecasting techniques [PDF]
, 2009 A wind turbine system is operated such that the points of wind rotor curve and electrical generator curve coincide. In order to obtain maximum power output of a wind turbine generator system, it is necessary to drive the wind turbine at an optimal rotor ...
Jovanovic, Milutin +3 more
core
Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
FPGA based maximum power point tracking controller for photovoltaic system [PDF]
, 2013 Nowadays, PV cell which is known as a photovoltaic is one of the most important parts in electrical field to convert photolight to voltage and current at the desired output voltage and frequency by using varies control techniques.
Mahmood Almuhaya, Mukarram Abduljalil
core
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
Maximum power point tracking using unsupervised learning for photovoltaic power systems
International Journal of Sustainable EngineeringThe Maximum Power Point Tracking (MPPT) technique in the solar energy field optimises the performance of solar panels in different atmospheric conditions and variable loads.
Djamel Guessoum +4 more
doaj +1 more source
Modified Maximum Power Point Tracking Algorithm under Time-Varying Solar Irradiation
Energies, 2020 Solar photovoltaic (PV) energy is one of the most viable renewable energy sources, considered less polluting than fossil energy. However, the average power conversion efficiency of PV systems is between 15% and 20%, and they must operate with high ...
Mehmet Ali Yildirim +1 more
doaj +1 more source
Spatial Domain Simultaneous Information and Power Transfer for MIMO Channels
, 2015 In this paper, we theoretically investigate a new technique for simultaneous information and power transfer (SWIPT) in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities.
Berberidis, Kostas +3 more
core +1 more source