Results 61 to 70 of about 124,759 (287)

Influence of 100% and 40% oxygen on penumbral blood flow, oxygen level, and T2*-weighted MRI in a rat stroke model [PDF]

open access: yes, 2011
Accurate imaging of the ischemic penumbra is a prerequisite for acute clinical stroke research. T2* magnetic resonance imaging (MRI) combined with an oxygen challenge (OC) is being developed to detect penumbra based on changes in blood deoxyhemoglobin ...
Baskerville, Tracey   +6 more
core   +1 more source

Perfusable Brain Microvascular Network‐On‐Chip Model to Study Flavivirus NS1‐Induced Endothelial Dysfunction

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a microfluidic brain microvascular network‐on‐chip (BMVasChip) to investigate endothelial barrier dysfunction caused by flavivirus non‐structural protein 1 (NS1), including virus‐ and time‐dependent vascular damage, leakiness, and dysfunction.
Monika Rajput   +5 more
wiley   +1 more source

Tracking Parkinson's Disease over One Year with Multimodal Magnetic Resonance Imaging in a Group of Older Patients with Moderate Disease. [PDF]

open access: yesPLoS ONE, 2015
BACKGROUND & OBJECTIVES:Cross-sectional magnetic resonance imaging (MRI) suggests that Parkinson's disease (PD) is associated with changes in cerebral tissue volume, diffusion tensor imaging metrics, and perfusion values.
Tracy R Melzer   +8 more
doaj   +1 more source

Aminoglycoside-Induced Phosphatidylserine Externalization in Sensory Hair Cells Is Regionally Restricted, Rapid, and Reversible [PDF]

open access: yes, 2008
The aminophospholipid phosphatidylserine (PS) is normally restricted to the inner leaflet of the plasma membrane. During certain cellular processes, including apoptosis, PS translocates to the outer leaflet and can be labeled with externally applied ...
Gale, Jonathan E   +4 more
core   +1 more source

3D Multicellular Scaffold Based Model for Advancing Bone Disorder Research

open access: yesAdvanced Functional Materials, EarlyView.
A scalable 3D multicellular in vitro bone model engineered by integrating osteoblasts, osteoclasts, and endothelial cells on biodegradable scaffolds. The system recapitulates key features of human bone remodeling and disease pathology. As a proof of concept, the model mimics osteogenesis imperfecta, demonstrating its potential as a physiologically ...
Gali Guterman‐Ram   +5 more
wiley   +1 more source

Brain-Blood Partition Coefficient and Cerebral Blood Flow in Canines Using Calibrated Short TR Recovery (CaSTRR) Correction Method. [PDF]

open access: yes, 2019
The brain-blood partition coefficient (BBPC) is necessary for quantifying cerebral blood flow (CBF) when using tracer based techniques like arterial spin labeling (ASL).
Head, Elizabeth   +5 more
core  

Autofluorescence lifetime augmented reality as a means for real-time robotic surgery guidance in human patients. [PDF]

open access: yes, 2019
Due to loss of tactile feedback the assessment of tumor margins during robotic surgery is based only on visual inspection, which is neither significantly sensitive nor specific.
Bec, J   +11 more
core   +2 more sources

Polymer‐Incorporated Mechanically Compliant Carbon Nanotube Microelectrode Arrays for Multichannel Neural Signal Recording

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a soft microelectrode array based on vertically aligned carbon nanotube (CNT) forests, combining high conductivity with mechanical softness. A densification process and air‐pressure‐assisted flexibilization improve structural integrity, ensuring stable insertion and reduced inflammation.
Hyeonhee Roh   +8 more
wiley   +1 more source

Highly Customizable Scaffold‐Type 3D Microelectrode Array Platform for Design and Analysis of the 3D Neuronal Network In Vitro

open access: yesAdvanced Functional Materials, EarlyView.
An innovative fabrication platform for 3D microelectrode arrays (MEAs) is presented, utilizing a 3D printer and the capillary action of electrically conductive inks. This approach enables the simple and versatile fabrication of 3D MEAs with complex structures.
Dongjo Yoon, Yoonkey Nam
wiley   +1 more source

Is traumatic and non-traumatic neck pain associated with brain alterations? : a systematic review [PDF]

open access: yes, 2017
Background: Chronic neck pain affects 50% - 85% of people who have experienced an acute episode. This transition and the persistence of chronic complaints are believed to be mediated by brain alterations among different central mechanisms.
Caeyenberghs, Karen   +5 more
core  

Home - About - Disclaimer - Privacy