Results 61 to 70 of about 66,223 (392)

Brain Tumor Vascularity Estimation by Arterial Spin Label Perfusion MRI—A Preoperative Tool for Patient Prognostication

open access: yesIndian Journal of Neurosurgery, 2023
Introduction Brain tumors remain a significant cause of morbidity and mortality around the globe. Preoperative estimation of tumor vascularity is of great significance for a neurosurgeon. Aim of our study was to correlate tumor blood flow (TBF)
Nidhi Rai   +5 more
doaj   +1 more source

Brain processing of contagious itch in patients with atopic dermatitis [PDF]

open access: yes, 2017
Several studies show that itch and scratching cannot only be induced by pruritogens like histamine or cowhage, but also by the presentation of certain (audio-) visual stimuli like pictures on crawling insects or videos showing other people scratching ...
Apkarian   +44 more
core   +3 more sources

Human Placenta Blood Flow During Early Gestation With Pseudocontinuous Arterial Spin Labeling MRI

open access: yesJournal of Magnetic Resonance Imaging, 2020
Noninvasive measurement of placental blood flow is the major technical challenge for predicting ischemic placenta (IPD). Pseudocontinuous arterial spin labeling (pCASL) MRI was recently shown to be promising, but the potential value in predicting the ...
Dapeng Liu   +8 more
semanticscholar   +1 more source

Arterial spin labeling versus 18F-FDG-PET to identify mild cognitive impairment

open access: yesNeuroImage: Clinical, 2020
Neurodegenerative biomarkers support diagnosis and measurement of disease progression in the Alzheimer's disease (AD) continuum. 18F-Fluorodeoxyglucose Positron Emission Tomography (18F-FDG-PET), which measures glucose metabolism, is one of the most ...
Sudipto Dolui   +4 more
doaj   +1 more source

Arterial spin labeling of nasopharyngeal carcinoma shows early therapy response

open access: yesInsights into Imaging, 2022
Objective This study aimed to determine the value of arterial spin labeling (ASL) perfusion imaging in assessing the early efficacy of chemoradiotherapy for nasopharyngeal carcinoma (NPC).
Jun Liu   +7 more
doaj   +1 more source

Non-invasive measurement of choroid plexus apparent blood flow with arterial spin labeling

open access: yesFluids and Barriers of the CNS, 2020
Background The choroid plexus is a major contributor to the generation of cerebrospinal fluid (CSF) and the maintenance of its electrolyte and metabolite balance.
Li Zhao   +4 more
semanticscholar   +1 more source

The NIMH intramural healthy volunteer dataset: A comprehensive MEG, MRI, and behavioral resource

open access: yesScientific Data, 2022
Measurement(s) brain activity • Blood Oxygen Level-Dependent Functional MRI • regional part of brain • cerebral white matter structure • cerebral blood flow Technology Type(s) Magnetoencephalography • Functional Magnetic Resonance Imaging • Magnetic ...
Allison C. Nugent   +18 more
doaj   +1 more source

Arterial Spin Labeling MRI Data Analyzation [PDF]

open access: yes, 2015
Táto bakalárska práca sa zameriava najmä na perfúzne zobrazovanie metódou arterial spin labeling. Opisuje základné fyzikálne princípy magnetickej rezonancie, rekonštrukciu obrazu z nazbieraných dát, bezkontrastné perfúzne zobrazovanie, princíp a ...
Galanová, Zuzana
core  

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

High-resolution combined arterial spin labeling MR for identifying cerebral arterial stenosis induced by moyamoya disease or atherosclerosis.

open access: yesAnnals of Translational Medicine, 2020
Background Distinguishing moyamoya disease (MMD) from intracranial atherosclerotic stenosis (IAS) is critical for its treatment and outcome evaluation.
Jingyuan Ya   +6 more
semanticscholar   +1 more source

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