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Direct imaging of glymphatic transport using H217O MRI [PDF]

open access: yesJCI Insight, 2021
The recently proposed glymphatic pathway for solute transport and waste clearance from the brain has been the focus of intense debate. By exploiting an isotopically enriched MRI tracer, H217O, we directly imaged glymphatic water transport in the rat ...
Mohammed S. Alshuhri   +3 more
doaj   +2 more sources

Direct Thrombus Imaging in Stroke [PDF]

open access: yesJournal of Stroke, 2016
There is an emergent need for imaging methods to better triage patients with acute stroke for tissue-plasminogen activator (tPA)-mediated thrombolysis or endovascular clot retrieval by directly visualizing the size and distribution of cerebral ...
Jongseong Kim   +3 more
doaj   +4 more sources

Direct imaging of plasma waves using ultrafast electron microscopy [PDF]

open access: yesStructural Dynamics, 2020
A femtosecond plasma imaging modality based on a new development of ultrafast electron microscope is introduced. We investigated the laser-induced formation of high-temperature electron microplasmas and their subsequent non-equilibrium evolution.
Shuaishuai Sun   +6 more
doaj   +2 more sources

Direct Measurement of Plant Cellulose Microfibril and Bundles in Native Cell Walls

open access: yesFrontiers in Plant Science, 2020
Plants use rigid cellulose together with non-cellulosic matrix polymers to build cell walls. Cellulose microfibrils comprise linear β(1,4)-glucan chains packed through inter- and intra-chain hydrogen-bonding networks and van der Waals forces.
Bo Song   +9 more
doaj   +1 more source

Direct imaging of exoplanets: Legacy and prospects

open access: yesComptes Rendus. Physique, 2023
Understanding how giant and terrestrial planets form and evolve, what is their internal structure and that of their atmosphere, represents one of the major challenges of modern astronomy, which is directly connected to the ultimate search for life at the
Chauvin, Gael
doaj   +1 more source

Deep Orbital Search for Additional Planets in the HR 8799 System

open access: yesThe Astronomical Journal, 2022
The HR 8799 system hosts four massive planets orbiting 15 and 80 au. Studies of the system's orbital stability and its outer debris disk open the possibility of additional planets, both interior to and exterior to the known system.
William Thompson   +8 more
doaj   +1 more source

Direct high-resolution X-ray imaging exploiting pseudorandomness

open access: yesLight: Science & Applications, 2023
High-resolution X-ray sample field image is directly retrieved in a single shot using the mathematical relations of spatially pseudorandom (i.e., speckle) fields.
KyeoReh Lee   +3 more
doaj   +1 more source

Direct imaging of APP proteolysis in living cells [PDF]

open access: yesPeerJ, 2017
Alzheimer’s disease is a multifactorial disorder caused by the interaction of genetic, epigenetic and environmental factors. The formation of cytotoxic oligomers consisting of Aβ peptide is widely accepted as being one of the main key events triggering ...
Niccoló Parenti   +6 more
doaj   +2 more sources

Images directes I : Espaces rigides analytiques et images directes [PDF]

open access: yesJournal de théorie des nombres de Bordeaux, 2012
Cet article est le premier d’une série de trois articles consacrés aux images directes d’isocristaux : ici nous considérons des isocristaux sans structure de Frobenius ; dans le deuxième [Et 6] (resp. le troisième [Et 7]), nous introduirons une structure de Frobenius dans le contexte convergent (resp.
openaire   +3 more sources

Millimeter-Wave Imaging System Based on Direct-Conversion Focal-Plane Array Receiver

open access: yesSensors, 2022
A new approach to millimeter-wave imaging was suggested and experimentally studied. This approach can be considered as the evolution of the well-established focal-plane array (FPA) millimeter-wave imaging.
Sergey Korolyov   +4 more
doaj   +1 more source

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