Results 131 to 140 of about 666,240 (316)

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

Multi-Functional Composite Fatigue [PDF]

open access: yes, 2008
Damage and fracture of composites subjected to monotonically increasing static, tension-tension cyclic, pressurization, and flexural cyclic loading are evaluated via a recently developed composite mechanics code that allows the user to focus on composite
Chamis, Christos C., Minnetyan, Levon
core   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Study of Titanium based Composite Coatings for Resistance against Molten Aluminium Soldering on H13 Tool Steel [PDF]

open access: yes, 2011
The service life of industrial components is limited predominantly by chemical corrosion, mechanical failure or mechanical wear. In the aluminium high pressure die casting industry, liquid aluminium is extremely reactive with the constituents of H13 die ...
Salman, Asma Siddiq
core  

NOVEL APPROACH TO DESIGN OF LIGHTWEIGHT AND RELIABLE COMPOSITE PRIMARY AIRCRAFT STRUCTURES

open access: yesНаучный вестник МГТУ ГА, 2017
The experience of construction of composite primary aircraft structures has approved that the weight decrease for composite aggregates of aircraft in comparison with metallic analogues cannot be obtained within the frames of conventional structures based
M. Ch. Zichenkov   +2 more
doaj  

Meteorological indices for potential occurrence of waterspout/tornado in Hong Kong

open access: yesMeteorologische Zeitschrift
Assessment of the potential occurrence of waterspouts and tornadoes in Hong Kong would be crucial in the timely alerting of these hazardous systems. This system provides for the first time a study of the meteorological parameters that may be useful to ...
Y.T. Leung   +4 more
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

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Vibration based performance assessment of concrete-concrete composite bridges [PDF]

open access: yes, 2009
Includes bibliographical references (leaves 142-148).Concrete composites consisting of precast pre-stressed standardized beams and a cast in-situ deck slab have been used for the construction of short to medium span bridges for the past four decades in ...
Sibanda, Bongani
core  

Fault Feature Extraction of Gearbox based on Adaptive VMD

open access: yesJixie chuandong, 2019
In the noisy environment, the composite fault feature extraction is more difficult. The VMD is widely used in gearbox fault diagnosis, but it is a parametric decomposition method.
Wenyao Li, Wengang Yang
doaj  

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