Results 21 to 30 of about 5,838 (169)

Natural H2 Emanations in the Rio de la Plata Craton, First Data

open access: yesGeosciences
This study presents the first comprehensive soil gas survey across southern Uruguay’s H2 prospective terranes. A pre-field trip selection was done on the basement rock nature, as well as vegetation anomalies in subcircular depressions and fault presence.
Isabelle Moretti   +2 more
doaj   +1 more source

Natural Hydrogen, the Ultimate Green Energy: Current Status and Prospects [PDF]

open access: yes대한환경공학회지
Natural hydrogen is green hydrogen that is naturally produced on Earth, that is, an energy source that does not emit carbon without using additional energy for production.
Minji Park   +4 more
doaj   +1 more source

Up-to-Date Status of Geoscience in the Field of Natural Hydrogen with Consideration of Petroleum Issues

open access: yesEnergies, 2023
The perspective of natural hydrogen as a clear, carbon-free, and renewable energy source appears very promising. There have been many studies reporting significant concentrations of natural hydrogen in different countries.
Dariusz Knez, Omid Ahmad Mahmoudi Zamani
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Water budget in flat vs. steep subduction: implication for volcanism and potential for H2 production

open access: yesBSGF - Earth Sciences Bulletin
In this study, we model the processes of (de)hydration and melting within subduction zones using a thermo-mechanical modeling approach. Multiple 2D simulations are conducted to investigate how the subduction angle influences the water budget in oceanic ...
Gauthier Alexis   +3 more
doaj   +1 more source

Research progress on hydrogen embrittlement in hydrogen-blended natural gas transportation system

open access: yesYou-qi chuyun, 2022
Hydrogen-blended natural gas transportation can effectively solve the problem of wind and photovoltaic energy curtailment and reduction of greenhouse gas emission, and realize the low-cost transportation of hydrogen in large scale, so it becomes an ...
Weiqing XU   +7 more
doaj   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Determination of permeation properties of hydrogen gas in sealing rubbers using thermal desorption analysis gas chromatography

open access: yesScientific Reports, 2021
Permeation properties of hydrogen gas (H2) into nitrile butadiene rubber (NBR), ethylene propylene diene monomer (EPDM), and fluoroelastomer (FKM) which are the strong candidates for sealing material in H2 energy infrastructures, was quantified using a ...
Jae Kap Jung   +4 more
doaj   +1 more source

Study progress on the pipeline transportation safety of hydrogen-blended natural gas

open access: yesHeliyon, 2023
The core of carbon neutrality is the energy structure adjustment and economic structure transformation. Hydrogen energy, as a kind of clean energy with great potential, has provided important support for the implementation of the carbon peaking and ...
Xiao Tian, Jingjing Pei
doaj   +1 more source

Phosphoinositides and inositol phosphates as molecular glues

open access: yesFEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry   +9 more
wiley   +1 more source

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