Results 51 to 60 of about 514,015 (277)

Increased expression of two alternative spliced variants of CD1d molecule in human gastric cancer [PDF]

open access: yes, 2015
Background: CD1d presents glycolipid antigens to invariant natural killer T (iNKT) cells. The role of CD1d in the development of peptic ulcer and gastric cancer has not been revealed, yet.
Ajami, A.   +5 more
core  

Two lectures on the arithmetic of K3 surfaces [PDF]

open access: yes, 2013
In these lecture notes we review different aspects of the arithmetic of K3 surfaces. Topics include rational points, Picard number and Tate conjecture, zeta functions and modularity.Comment: 26 pages; v4: typos corrected, references ...
Schuett, Matthias
core   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

SPARC_Duke_PelotGrill_OT2-OD025340_HumanVagusNerve_Claudin1IHC_Morphology v4 [PDF]

open access: yes, 2020
The protocol describes immunohistochemistry with anti-claudin-1, imaging, image segmentation, and image analysis methods to quantify human vagus nerve morphology.
Nicole A. Pelot   +5 more
openaire   +1 more source

The reentry hypothesis: The putative interaction of the frontal eye field, ventrolateral prefrontal cortex, and areas V4, IT for attention and eye movement [PDF]

open access: yes, 2005
Attention is known to play a key role in perception, including action selection, object recognition and memory. Despite findings revealing competitive interactions among cell populations, attention remains difficult to explain.
Hamker, Fred H.
core   +4 more sources

Raman Microscopy at the Organic–Inorganic Interfaces in Human Calcified Aortic Valves Shows the Co‐Existence of Whitlockite Crystals and Carbonated Hydroxyapatite‐Mineralized Collagen Fibrils

open access: yesAdvanced Functional Materials, EarlyView.
This study advances our understanding of aortic valve stenosis by capturing spatially resolved chemical and structural changes at the nanoscale. The findings highlight the potential of combined Raman and electron microscopy for understanding calcification mechanisms across diverse tissue types.
Robin H. M. Van der Meijden   +11 more
wiley   +1 more source

Anévrisme rompu de l´artère cérébelleuse postéro-inferieure (PICA) révélé par une hémorragie du V4: diagnostic et traitement endovasculaire à propos d´un cas

open access: yesPAMJ Clinical Medicine, 2019
Les hémorragies de la fosse cérébrale postérieure sont rares mais gravissime en absence d´une prise en charge adéquate. Les auteurs rapportent un cas d´hémorragie intra ventriculaire du V4 révélant un anévrisme rompu de l´artère cérébrale postéro ...
Oumou Maiga   +5 more
doaj   +1 more source

Azimuthal anisotropy in Au+Au collisions at SNN=200GeV [PDF]

open access: yes, 2005
The results from the STAR Collaboration on directed flow (v1), elliptic flow (v2), and the fourth harmonic (v4) in the anisotropic azimuthal distribution of particles from Au+Au collisions at sqrt[sNN]=200GeV are summarized and compared with results from
Adams, J.   +7 more
core  

Metachromatic Butterfly Bile Pigments for Multi‐Level Optical Security Films

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐derived optical security materials are manufactured by embedding butterfly‐based pigments in polymer films. Tunable color and fluorescence responses arise from concentration‐controlled metachromasy, enabling spatially encoded patterns with distinct visible, UV‐active, and spectral signatures.
Limin Wang, Bodo D. Wilts
wiley   +1 more source

Comparative analyses of Ion Torrent V4 and Illumina V3-V4 16S rRNA gene metabarcoding methods for characterization of cervical microbiota: taxonomic and functional profiling

open access: yesScientific African, 2020
Next generation sequencing technologies have enabled characterization of microbiota at an unprecedented resolution. Microbiota research methodologies are constantly improving and differing in the primer choice, sequencing technology, and bioinformatics ...
Harris Onywera, TracyL. Meiring
doaj   +1 more source

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