Space-time patterns of wall shear stress (WSS) resulting from the numerical simulation of pulsating hemodynamic flows in semicoronal domains are analyzed, in the case of both regular semicoronal domains and semicoronal domains with bumpy insertions, mimicking aneurysm-like geometries. A new family of cardiovascular risk indicators, which we name three-band diagrams (TBDs), are introduced, as a sensible generalization of the two standard indicators, i.e., the time-averaged WSS and the oscillatory shear index. TBDs provide a handy access to additional information contained in the dynamic structure of the WSS signal as a function of the physiological risk threshold, thereby allowing a quick visual assessment of the risk sensitivity to individual fluctuations of the physiological risk thresholds. Due to its generality, TBD analysis is expected to prove useful for a wide host of applications in science, engineering, and medicine, where risk assessment plays a central role.
We systematically overexpressed 99 transcription factor genes with the nmt1 promoter and found that 64 transcription factor genes exhibited reduced fitness when ectopically expressed. Cell cycle defects were also often observed. We further investigated three uncharacterized transcription factor gene...
The main purpose of this paper is to prove a pro-p analogue of Stallings'
decomposition theorem (cf. Thm. B), i.e., a finitely generated pro-p group with
infinitely many Zp-ends splits either as a non-trivial free pro-p product with
amalgamation in a finite subgroup, or as a pro-p HNN-extension ove...
Compressed hydrogen passes through a series of layered structures in which
the layers can be viewed as distorted graphene sheets. The electronic
structures of these layered structures can be understood by studying simple
model systems- an ideal single hydrogen graphene sheet and three-dimensional
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