Results 61 to 70 of about 2,199,245 (317)

Energy conditions for an imperfect fluid

open access: yesClassical and Quantum Gravity, 1988
The authors investigated energy conditions of a viscous fluid with heat flow energy moment tensor. They considered Segre type [111, 1], [11, 2] and their degeneracies. Their main results are in the form of general theorems to help as a guide for testing energy conditions of imperfect fluids.
Kolassis, C. A.   +2 more
openaire   +2 more sources

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

Energy Markets and Global Economic Conditions [PDF]

open access: yesThe Review of Economics and Statistics, 2020
AbstractWe evaluate alternative indicators of global economic activity and other market fundamentals in terms of their usefulness for forecasting real oil prices and global petroleum consumption. World industrial production is one of the most useful indicators. However, by combining measures from several different sources, we can do even better.
Baumeister, Christiane   +2 more
openaire   +3 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS 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

Improving Energy Access to the Urban Poor in Developing Countries

open access: yes, 2011
The case studies documented in this report aim to inform the energy access community (including practitioners, civil society groups, project planners, end users) about best practices of successful energy access
The Energy and Resources Institute
core   +1 more source

Defect-induced ferromagnetism in a S = 1/2 quasi-one-dimensional Heisenberg antiferromagnetic chain compound

open access: yesScientific Reports, 2021
We present evidences that defects in the spin S = 1/2 Heisenberg antiferromagnetic chain (HAFC) compound can lead to ferromagnetism by studying the magnetic and thermal properties of the newly discovered quasi-one-dimensional (1D) metal–organic framework
Zhe Wang   +7 more
doaj   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

open access: yesFEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Models of Charged Gravastars in f(T)-Gravity

open access: yesUniverse
This study investigates three distinct charged gravastar models within the framework of fT modified gravity, considering the functional forms fT=T, fT=a+bT, and fT=T2.
Mohamed A. Bakry, Ali Eid
doaj   +1 more source

An augmented food strategy leads to complete energy compensation during a 15‐day military training expedition in the cold

open access: yesPhysiological Reports, 2021
Soldiers on military expeditions usually fail to compensate for the increase in energy expenditure, with potential deleterious consequences. We therefore analyzed the characteristics of energy compensation in 12 male soldiers, during a 15‐day expedition ...
Keyne Charlot   +8 more
doaj   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

open access: yesFEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai   +9 more
wiley   +1 more source

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