Results 171 to 180 of about 38,167 (219)

Stage‐Dependent β‐Synuclein Links MRI and Cognitive Decline in Alzheimer's Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Synaptic degeneration drives cognitive decline in Alzheimer's disease (AD), but synaptic biomarkers are scarce. Brain‐enriched β‐synuclein emerged as a synaptic damage marker. We investigated its diagnostic, prognostic, and structural correlates across the AD continuum.
Ulaş Ay, Merve Alaylioglu, Erdi Sahin, Sanem Sultan Yoruk Oner, Gulce Iskan, Gulce Cosku Yilmaz Cakan, Gozde Kizilates‐Evin, Emre Hari, Elif Kurt, Erdinc Dursun, Basar Bilgic, Hasmet Hanagasi, Hakan Gurvit, Tamer Demiralp, Duygu Gezen‐Ak, Bedia Samanci   +15 more
wiley   +1 more source

Comparative Analysis of Choroid Plexus Volume Between MOG Antibody Associated Disease and Multiple Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Choroid plexus volume (CPV) has been proposed as a neuro‐immunological marker of multiple sclerosis (MS), but its relevance in myelin oligodendrocyte glycoprotein antibody–associated disease (MOGAD) remains uncertain. We analyzed CPV in 43 individuals with MOGAD, 48 with MS, and 44 healthy controls using a Bayesian Gaussian mixture modeling ...
Jae‐Won Hyun, Shaun G. Hong, Na Young Park, Su‐Hyun Kim, Ho Jin Kim   +4 more
wiley   +1 more source

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The stages model and the phases of the IS field

Journal of Information Technology, 1994
We argue that the organization's internal time-path of computer usage should be located in a context of changes in the IS field as a whole. A model of the history of information systems management within user organizations is presented here, which specifies a series of phases the IS field has gone through.
openaire   +1 more source

High-field phase in the magnetic-field-induced electronic phase transition of graphite

Physical Review B, 1992
The magnetoresistance of single-crystal graphite has been measured at low temperatures in pulsed high magnetic fields up to 52 T applied parallel to the c axis. Many features were found in the high-field phase after the field-induced electronic phase transition. After the sharp rise at the phase transition, the resistance shows a dramatic decrease with
, Ochimizu, , Takamasu, , Takeyama, , Sasaki, , Miura   +4 more
openaire   +2 more sources

A Topology Constrained Phase Field Model

SSRN Electronic Journal, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Magnetic phase control by an electric field

Nature, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Thomas, Lottermoser, Thomas, Lonkai, Uwe, Amann, Dietmar, Hohlwein, Jörg, Ihringer, Manfred, Fiebig   +5 more
openaire   +2 more sources

Berry's phase in field theory

Physical Review D, 1990
By considering the effect of unitary transformations on the path integral for a gauge field interacting with a fermion over a suitable manifold, we generalize the Berry phase to field theory. The resulting framework is gauge invariant and offers insight into some problems.
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Phase conjugation of an optical near field

Optics Letters, 1994
Using degenerate four-wave mixing in an Fe:LiNbO(3) 0.04-wt. % crystal and an external-reflection near-field optical microscope, we have achieved phase conjugation of light emitted by a fiber tip. We observe that the phase-conjugated light at a wavelength of 633 nm can reach a power of ~0.1 nW and produce a 180-nm-wide spot image in the near-field ...
Bozhevolnyi, Sergei I., Keller, Ole, Smolyaninov, I.   +2 more
openaire   +3 more sources

A phase field model of capillarity

Physics of Fluids, 1995
The phenomenological derivation of a phase field model of capillarity that accounts for the structure of an interfacial layer formed by two immiscible incompressible liquids is addressed. A rheological expression for the reversible component of capillary stresses is obtained in terms of the free energy of a binary fluid, which depends on the absolute ...
openaire   +1 more source

Dynamic phase of the electromagnetic field

Physical Review A, 1995
The quantum state of the electromagnetic field produced by a known current distribution consists of a coherent state multiplied by a time-dependent phase factor. This nonclassical phase factor includes a dynamic component that vanishes in the quasistatic limit of slowly varying currents.
openaire   +2 more sources