Results 141 to 150 of about 1,164,525 (314)

First-Principles Investigation of Diverse Properties of X2CaTa2O7 (X = Li, Na, K, and Rb) Ruddlesden–Popper Compounds for Photovoltaic Applications

open access: yesCrystals
For the first time, we explored the optical, electronic, mechanical, and structural properties of the Ruddlesden–Popper phase family member X2CaTa2O7 (X = Li, Na, K, and Rb) by using density functional theory (DFT) with the Perdew–Burke–Ernzerhof (PBE ...
Ahmad Hussain   +6 more
doaj   +1 more source

The ubiquitin‐proteasome system and autophagy as guardians of the cellular proteome

open access: yesFEBS Letters, EarlyView.
This Perspective covers the three principles governing the crosstalk between the ubiquitin‐proteasome system and autophagy in cellular proteostasis: (1) a shared ubiquitin code routing substrates via shuttle factors or autophagy receptors; (2) spatial compartmentalization into phase‐separated degradation hubs and organelle‐specific modules (exemplified
Ivan Dikic
wiley   +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

PERIODIC STATES NEAR THE PLANE DEFECT WITH NON-LINEAR RESPONSE SEPARATING NON-LINEAR SELF-FOCUSING AND LINEAR CRYSTALS

open access: yesКонденсированные среды и межфазные границы, 2018
The paper presents a model describing the peculiarities of localised excitation on the boundary between linear and nonlinear self-focusing media. The medium boundary is a plane defect with internal nonlinear properties.
Sergey E. Savotchenko
doaj   +1 more source

Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes

open access: yesFEBS Letters, EarlyView.
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez   +2 more
wiley   +1 more source

Combinatorial nuclear level-density model [PDF]

open access: yes, 2008
A microscopic nuclear level-density model is presented. The model is a completely combinatorial (micro-canonical) model based on the folded-Yukawa single-particle potential and includes explicit treatment of pairing, rotational and vibrational states ...
Moller, Peter   +3 more
core  

Ternary layered boride MoAlB: A novel thermo-regulation microwave absorbing ceramic material

open access: yesJournal of Advanced Ceramics
In the context of the fifth-generation (5G) smart era, the demand for electromagnetic wave (EMW)-absorbing materials has become increasingly prominent, so it is necessary to explore promising candidate materials.
Zhangjue Wang   +8 more
doaj   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

open access: yesFEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara   +3 more
wiley   +1 more source

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