Results 51 to 60 of about 2,188,732 (293)

Spectrum, April 1981 [PDF]

open access: yes, 1981
Volume 3, Number 3 of Spectrum literary journalhttps://nwcommons.nwciowa.edu/spectrum/1005/thumbnail ...
Spectrum Contributors,
core   +1 more source

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

open access: yesFEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto   +3 more
wiley   +1 more source

Spectrum, February 1982 [PDF]

open access: yes, 1982
Volume 4, Number 1 of Spectrum literary journalhttps://nwcommons.nwciowa.edu/spectrum/1006/thumbnail ...
Spectrum Contributors,
core   +1 more source

Spectrum, March 1980 [PDF]

open access: yes, 1980
Volume 2, Number 1 of Spectrum literary journalhttps://nwcommons.nwciowa.edu/spectrum/1002/thumbnail ...
Spectrum Contributors,
core   +1 more source

Determination of surface-wave phase velocities by zeros of Aki’s spectrum of active-source records: Application to the dense array in Tongzhou, ChinaKey points

open access: yesEarthquake Science
The spatial autocorrelation (SPAC) (also known as the Aki’s spectral method) of ambient seismic noise has been widely adopted in surface wave phase velocity extraction.
Qinghua Liu   +3 more
doaj   +1 more source

Primary user emulation and jamming attack detection in cognitive radio via sparse coding

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Cognitive radio is an intelligent and adaptive radio that improves the utilization of the spectrum by its opportunistic sharing. However, it is inherently vulnerable to primary user emulation and jamming attacks that degrade the spectrum utilization.
Haji M. Furqan   +3 more
doaj   +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

Spectrum, May 1979 [PDF]

open access: yes, 1979
Vol.
Spectrum Contributors,
core   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

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