Results 71 to 80 of about 1,559,138 (346)

Advances in Computed Tomography Evaluation of Skull Base Diseases

open access: yesInternational Archives of Otorhinolaryngology, 2014
Introduction Computed tomography (CT) is a key component in the evaluation of skull base diseases. With its ability to clearly delineate the osseous anatomy, CT can provide not only important tips to diagnosis but also key information for surgical ...
Luciano M. Prevedello
doaj   +1 more source

Duality in Long-Range Ising Ferromagnets

open access: yes, 1992
It is proved that for a system of spins $\sigma _i = \pm 1$ having an interaction energy $-\sum K_{ij} \sigma _i \sigma _j $ with all the $K_{ij}$ strictly positive,one can construct a dual formulation by associating a dual spin $S_{ijk} = \pm 1$ to each
Meurice, Yannick
core   +1 more source

High energy QCD scattering, the shape of gravity on an IR brane, and the Froissart bound [PDF]

open access: yes, 2002
High-energy scattering in non-conformal gauge theories is investigated using the AdS/CFT dual string/gravity theory. It is argued that strong-gravity processes, such as black hole formation, play an important role in the dual dynamics.
C. Csáki   +21 more
core   +4 more sources

Biophysical analysis of angiotensin II and amyloid‐β cross‐interaction in aggregation and membrane disruption

open access: yesFEBS Letters, EarlyView.
Angiotensin II (AngII), a neuropeptide, interacts with amyloid‐β (Aβ), a key player in Alzheimer's disease. This study reveals that AngII reduces Aβ aggregation and membrane disruption in vitro. Biophysical assays and molecular modeling suggest AngII binds disordered Aβ forms, potentially modulating early amyloidogenic events and contributing to ...
Mohsen Habibnia   +5 more
wiley   +1 more source

Dual Statistical Systems and Geometrical String

open access: yes, 1994
We analyse statistical system with interface energy proportional to the length of the edges of interface. We have found the dual system high temperature expansion of which equally well generates surfaces with linear amplitude.
Ambartzumian   +29 more
core   +2 more sources

Effect of Wedge-Shaped Deflectors on Flow Fields of Dual-Stream Jets [PDF]

open access: yes, 2007
The effect of wedge-shaped fan flow deflectors on the mean and turbulent flow-fields of dual-stream jets is investigated. Several wedge-shaped deflector concepts were used to create asymmetry in the plume of a dual-stream jet issuing from a scaled down ...
Papamoschou, Dimitri   +2 more
core   +1 more source

Linked dimers of the AAA+ ATPase Msp1 reveal energetic demands and mechanistic plasticity for substrate extraction from lipid bilayers

open access: yesFEBS Letters, EarlyView.
Cells must clear mislocalized or faulty proteins from membranes to survive. The AAA+ ATPase Msp1 performs this task, but dissecting how its six subunits work together is challenging. We engineered linked dimers with varied numbers of functional subunits to reveal how Msp1 subunits cooperate and use energy to extract proteins from the lipid bilayer ...
Deepika Gaur   +5 more
wiley   +1 more source

Five-Brane Effective Field Theory on Calabi-Yau Threefolds

open access: yes, 1993
We consider the compactification of the dual form of $N=1$ $D=10$ supergravity on a six-dimensional Calabi-Yau manifold. An $N=1$ off-shell supergravity effective Lagrangian in four dimensions can be constructed in a dual version of the gravitational ...
D'Auria, R., Ferrara, S., Villasante, M.
core   +1 more source

Photosynthesis under far‐red light—evolutionary adaptations and bioengineering of light‐harvesting complexes

open access: yesFEBS Letters, EarlyView.
Phototrophs evolved light‐harvesting systems adapted for efficient photon capture in habitats enriched in far‐red radiation. A subset of eukaryotic pigment‐binding proteins can absorb far‐red photons via low‐energy chlorophyll states known as red forms.
Antonello Amelii   +8 more
wiley   +1 more source

Utility of dual‐energy computed tomography in the association of COVID‐19 pneumonia severity

open access: yesAcute Medicine & Surgery, 2022
Aim Coronavirus disease 2019 pneumonia differs from ordinary pneumonia in that it is associated with lesions that reduce pulmonary perfusion. Dual‐energy computed tomography is well suited to elucidate the etiology of coronavirus disease 2019 pneumonia ...
Takahiro Michishita   +11 more
doaj   +1 more source

Home - About - Disclaimer - Privacy