Results 91 to 100 of about 338,464 (293)

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

open access: yesFEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil   +3 more
wiley   +1 more source

Weld residual stress effects on fatigue crack growth behaviour of aluminium alloy 2024-T351 [PDF]

open access: yes, 2008
The interaction between residual stress and fatigue crack growth rate has been investigated in middle tension and compact tension specimens machined from a variable polarity plasma arc welded aluminium alloy 2024-T351 plate.
Liljedahl, CDM   +31 more
core   +1 more source

The influence of cracks on the corrosion initiation time caused by chloride diffusion in concrete structures using the Boundary Element Method [PDF]

open access: yesRevista IBRACON de Estruturas e Materiais
Reinforced concrete structures in coastal zones are subject to corrosion triggered by chloride ions. In contact with the concrete surface, such ions penetrate through the material’s porous microstructure, mainly by diffusion, and accumulate on the ...
Vinícius de Barros Souza   +1 more
doaj   +1 more source

Database Cracking.

open access: yes, 2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, we study the complementary approach, addressing index maintenance as part of query processing using continuous physical reorganization, i.e., cracking the database into ...
S. Idreos (Stratos)   +2 more
openaire   +3 more sources

Lysyl oxidase (LOX)‐mediated remodeling of the extracellular matrix

open access: yesFEBS Letters, EarlyView.
The lysyl oxidase (LOX) family of enzymes drives extracellular matrix remodeling by oxidizing collagen, elastin, and fibronectin, promoting covalent cross‐link formation. This activity regulates tissue architecture and mechanical properties, while its dysregulation contributes to fibrosis, cardiovascular disease, glaucoma, connective tissue disorders ...
Fernando Rodríguez‐Pascual   +3 more
wiley   +1 more source

Smaller is better: nanobodies meet NMR

open access: yesFEBS Letters, EarlyView.
Nanobodies are single‐domain antigen‐binding fragments derived from camelid heavy chain antibodies. Their small size, high stability, and exceptional specificity make nanobodies uniquely useful probes for NMR studies of protein dynamics, transient conformational states, and protein–protein interactions.
Oleg Y. Dmitriev
wiley   +1 more source

Effect of Crystallites Structure of PAN-based Carbon Fibers on Tensile Strength

open access: yesCailiao gongcheng, 2017
Carbon fiber is composed of crystallite and amorphous carbon. The X-ray diffraction (XRD) and Raman spectroscopy were used to investigate the influencing mechanism of the microstructure of crystallites of polyacrylonitrile (PAN)-based carbon fibers on ...
ZHONG Yun-jiao, BIAN Wen-feng
doaj   +1 more source

Invisible but not inaccessible—Revealing transient oligomers formed by intrinsically disordered proteins with solution NMR and complementary methods

open access: yesFEBS Letters, EarlyView.
Transient oligomers formed by intrinsically disordered proteins may be ‘invisible’ to direct detection yet remain accessible to solution NMR through equilibrium‐exchange measurements and pressure‐jump experiments. Complementary methods report on mass, stoichiometry, selected distance distributions, morphology, and internal packing.
Martin D. Gelenter, Ad Bax
wiley   +1 more source

Membrane composition and thermodynamic identity as boundaries of life for synthetic cell research

open access: yesFEBS Letters, EarlyView.
What makes a cell a cell? The boundary of a living cell is not just a wall. Read as a Markov blanket, the membrane separates internal from external states, generating identity and non‐equilibrium order. Can this identity be rebuilt from scratch in a synthetic cell?
Caterina Presutti, Bert Poolman
wiley   +1 more source

Cost effectiveness analysis of the application of concrete

open access: yesTechnological and Economic Development of Economy, 2006
The waterproof quality of concrete structures prevents the penetration of water into the structure as the outflow of water through concrete dam. Water penetration can lead to the limitation or abolishment of the function of structures.
Yaarob Al Ghanem
doaj   +1 more source

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