Results 41 to 50 of about 2,891,987 (300)

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

CO2 and CH4 conversion in a rotating DC glow to arc plasma with big discharge gap

open access: yesJournal of CO2 Utilization
In this work, we investigated large-volume, non-thermal discharges in CO₂/CH₄ mixtures with the aim of enabling energy-efficient plasma-based conversion. Building on the fundamental U–I characteristics of gas discharges, we showed how discharge extension
Samuel Jaro Kaufmann   +5 more
doaj   +1 more source

Study on the fault ride through critical elements and coordinated control of DFIG's converters

open access: yesThe Journal of Engineering, 2019
The increasing of large-scale wind power integration capacity brings great challenges to the safe operation and management of power grid.
Bingjie Tang   +4 more
doaj   +1 more source

Assessing the Role of Energy Storage in Multiple Energy Carriers toward Providing Ancillary Services: A Review

open access: yesEnergies, 2022
Renewable energy power plants and transport and heating electrification projects are being deployed to enable the replacement of fossil fuels as the primary energy source.
Joel Alpízar-Castillo   +2 more
doaj   +1 more source

Fast Frequency Response From Energy Storage Systems—A Review of Grid Standards, Projects and Technical Issues

open access: yesIEEE Transactions on Smart Grid, 2020
Electric power systems foresee challenges in stability due to the high penetration of power electronics interfaced renewable energy sources. The value of energy storage systems (ESS) to provide fast frequency response has been more and more recognized ...
L. Meng   +6 more
semanticscholar   +1 more source

Liquid air energy storage systems: A review

open access: yes, 2021
Liquid Air Energy Storage (LAES) systems are thermal energy storage systems which take electrical and thermal energy as inputs, create a thermal energy reservoir, and regenerate electrical and thermal energy output on demand.
O. O'Callaghan, P. Donnellan
semanticscholar   +1 more source

Review on Energy Storage Systems in Microgrids

open access: yesElectronics, 2021
Energy storage systems (ESSs) are gaining a lot of interest due to the trend of increasing the use of renewable energies. This paper reviews the different ESSs in power systems, especially microgrids showing their essential role in enhancing the ...
Ramy Georgious   +3 more
semanticscholar   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Phase change material thermal energy storage systems for cooling applications in buildings: A review

open access: yesRenewable & Sustainable Energy Reviews, 2020
Sharing of renewable energy and reduction of conventional energy consumption as an attempt to ameliorate environmental issues such as global warming has become the main concern for current developing scientific engineering research.
Khaireldin Faraj   +4 more
semanticscholar   +1 more source

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