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View article: Neutron spectrometer based on a gas electron multiplier (GEM) detector for fusion reactors
Neutron spectrometer based on a gas electron multiplier (GEM) detector for fusion reactors Open
View article: GEM detector as a neutron spectrometer for fusion plasmas: some modelling and design aspects
GEM detector as a neutron spectrometer for fusion plasmas: some modelling and design aspects Open
Measuring fusion neutron spectra can give essential information on ion fuel ratio and ion temperature in the plasma core, which are the goals of the High-Resolution Neutron Spectrometry (HRNS) on ITER. At the highest fusion powers, this ro…
View article: Application of a Full-Field macro-XRF imaging spectrometer to non-invasive investigation of elemental composition in three-dimensional artworks
Application of a Full-Field macro-XRF imaging spectrometer to non-invasive investigation of elemental composition in three-dimensional artworks Open
View article: Temporal Evolution of Left Main Coronary Artery Stenosis <i>De Novo</i> Presentation: Trends in Coronary Angiography and Clinical Characteristics (LM‐EVOLUTION Study)
Temporal Evolution of Left Main Coronary Artery Stenosis <i>De Novo</i> Presentation: Trends in Coronary Angiography and Clinical Characteristics (LM‐EVOLUTION Study) Open
Background: Cardiovascular diseases evolve over time; this may affect treatment. We investigated angiographic trends in patients presenting with de novo left main coronary artery (LM) stenosis over a decade. Methods: Clinical records and a…
View article: Understanding responses to multi-electrode epiretinal stimulation using a biophysical model
Understanding responses to multi-electrode epiretinal stimulation using a biophysical model Open
Objective Neural interfaces are designed to evoke specific patterns of electrical activity in populations of neurons by stimulating with many electrodes. However, currents passed simultaneously through multiple electrodes often combine non…
View article: Precise control of neural activity using dynamically optimized electrical stimulation
Precise control of neural activity using dynamically optimized electrical stimulation Open
Neural implants have the potential to restore lost sensory function by electrically evoking the complex naturalistic activity patterns of neural populations. However, it can be difficult to predict and control evoked neural responses to si…
View article: Energy-resolved x-ray and neutron diagnostics in tokamaks: Prospect for plasma parameters determination
Energy-resolved x-ray and neutron diagnostics in tokamaks: Prospect for plasma parameters determination Open
In fusion plasmas, essential plasma parameters can be inferred from x-ray and neutron measurements. The analysis of emitted neutron spectra can give access to the fuel ion ratio and ion temperature, while the local x-ray plasma emissivity …
View article: Author response: Precise control of neural activity using dynamically optimized electrical stimulation
Author response: Precise control of neural activity using dynamically optimized electrical stimulation Open
View article: AI-supported Modelling of a Simple TPR System for Fusion Neutron Measurement
AI-supported Modelling of a Simple TPR System for Fusion Neutron Measurement Open
View article: Imaging modality-dependent carotid stenosis severity variations against intravascular ultrasound as a reference: Carotid Artery intravasculaR Ultrasound Study (CARUS)
Imaging modality-dependent carotid stenosis severity variations against intravascular ultrasound as a reference: Carotid Artery intravasculaR Ultrasound Study (CARUS) Open
View article: High-Fidelity Reproduction of Visual Signals by Electrical Stimulation in the Central Primate Retina
High-Fidelity Reproduction of Visual Signals by Electrical Stimulation in the Central Primate Retina Open
Electrical stimulation of retinal ganglion cells (RGCs) with electronic implants provides rudimentary artificial vision to people blinded by retinal degeneration. However, current devices stimulate indiscriminately and therefore cannot rep…
View article: Imaging modality-dependent carotid stenosis severity variations against intravascular ultrasound as a reference: Carotid Artery intravasculaR Ultrasound Study (CARUS)
Imaging modality-dependent carotid stenosis severity variations against intravascular ultrasound as a reference: Carotid Artery intravasculaR Ultrasound Study (CARUS) Open
Purpose Different non-invasive and invasive imaging modalities are used to determine carotid artery stenosis severity as a principal parameter in clinical decision-making. We compared stenosis degree obtained with different modalities agai…
View article: Precise control of neural activity using dynamically optimized electrical stimulation
Precise control of neural activity using dynamically optimized electrical stimulation Open
Neural implants have the potential to restore lost sensory function by electrically evoking the complex naturalistic activity patterns of neural populations. However, it can be difficult to predict and control evoked neural responses to si…
View article: Misclassification of carotid stenosis severity with area stenosis-based evaluation by computed tomography angiography: impact on erroneous indication to revascularization or patient (lesion) migration to a higher guideline recommendation class as per ESC/ESVS/ESO/SVS and CMS-FDA thresholds
Misclassification of carotid stenosis severity with area stenosis-based evaluation by computed tomography angiography: impact on erroneous indication to revascularization or patient (lesion) migration to a higher guideline recommendation class as per ESC/ESVS/ESO/SVS and CMS-FDA thresholds Open
Replacing the pivotal carotid trials reference standard cQA-DS "%stenosis" measurement with CTA-AS-based "%stenosis" results in a large-scale lesion/patient erroneous gain of an "indication" to revascularization or migration to a higher re…
View article: Application of Factorisation Methods to Analysis of Elemental Distribution Maps Acquired with a Full-Field XRF Imaging Spectrometer
Application of Factorisation Methods to Analysis of Elemental Distribution Maps Acquired with a Full-Field XRF Imaging Spectrometer Open
The goal of the work was to investigate the possible application of factor analysis methods for processing X-ray Fluorescence (XRF) data acquired with a full-field XRF spectrometer employing a position-sensitive and energy-dispersive Gas E…
View article: Spatially patterned bi-electrode epiretinal stimulation for axon avoidance at cellular resolution
Spatially patterned bi-electrode epiretinal stimulation for axon avoidance at cellular resolution Open
Objective. Epiretinal prostheses are designed to restore vision to people blinded by photoreceptor degenerative diseases by stimulating surviving retinal ganglion cells (RGCs), which carry visual signals to the brain. However, inadvertent …
View article: Spatially Patterned Bi-electrode Epiretinal Stimulation for Axon Avoidance at Cellular Resolution
Spatially Patterned Bi-electrode Epiretinal Stimulation for Axon Avoidance at Cellular Resolution Open
Objective Epiretinal prostheses are designed to restore vision to people blinded by photoreceptor degenerative diseases by stimulating surviving retinal ganglion cells (RGCs), which carry visual signals to the brain. However, inadvertent s…
View article: Analysis and Reduction of Nonlinear Distortion in AC-Coupled CMOS Neural Amplifiers with Tunable Cutoff Frequencies
Analysis and Reduction of Nonlinear Distortion in AC-Coupled CMOS Neural Amplifiers with Tunable Cutoff Frequencies Open
Integrated CMOS neural amplifiers are key elements of modern large-scale neuroelectronic interfaces. The neural amplifiers are routinely AC-coupled to electrodes to remove the DC voltage. The large resistances required for the AC coupling …
View article: Genomic evidence of environmental and resident Salmonella Senftenberg and Montevideo contamination in the pistachio supply-chain
Genomic evidence of environmental and resident Salmonella Senftenberg and Montevideo contamination in the pistachio supply-chain Open
Pistachios have been implicated in two salmonellosis outbreaks and multiple recalls in the U.S. This study performed an in-depth retrospective data analysis of Salmonella associated with pistachios as well as a storage study to evaluate th…
View article: Investigation of Copper-Less Gas Electron Multiplier Detectors Responses to Soft X-rays
Investigation of Copper-Less Gas Electron Multiplier Detectors Responses to Soft X-rays Open
In this paper, we report on the systematic study of different variants of X-ray detectors based on Gas Electron Multiplier (GEM) technology using modified GEM foils with greatly reduced amount of copper. The main goal of this study was und…
View article: Epiretinal stimulation with local returns enhances selectivity at cellular resolution
Epiretinal stimulation with local returns enhances selectivity at cellular resolution Open
These results suggest that a device that restricts the electric field through local returns could optimize activation of neurons at cellular resolution, improving the quality of artificial vision.
View article: Epiretinal stimulation with local returns enhances selectivity at cellular resolution
Epiretinal stimulation with local returns enhances selectivity at cellular resolution Open
Objective Epiretinal prostheses are designed to restore vision in people blinded by photoreceptor degenerative diseases, by directly activating retinal ganglion cells (RGCs) using an electrode array implanted on the retina. In present-day …
View article: Cancellation of the stimulation artifacts by stimulus-dependent nanoampere correction pulses
Cancellation of the stimulation artifacts by stimulus-dependent nanoampere correction pulses Open
Event Abstract Back to Event Cancellation of the stimulation artifacts by stimulus-dependent nanoampere correction pulses Karolina Kołodziej1, Władysław Dąbrowski1 and Paweł Hottowy1* 1 AGH University of Science and Technology, Department …
View article: Mapping direct and indirect activation of cortical neurons by weak electrical pulses with massively parallel MEA-based electrical stimulation and recording
Mapping direct and indirect activation of cortical neurons by weak electrical pulses with massively parallel MEA-based electrical stimulation and recording Open
Event Abstract Back to Event Mapping direct and indirect activation of cortical neurons by weak electrical pulses with massively parallel MEA-based electrical stimulation and recording Pawel Hottowy1, 2*, Fang-Chin Yeh3, Shinya Ito3, Andrz…
View article: Optimizing Selectivity of Epiretinal Stimulation using Local Returns
Optimizing Selectivity of Epiretinal Stimulation using Local Returns Open
View article: Activation of ganglion cells and axon bundles using epiretinal electrical stimulation
Activation of ganglion cells and axon bundles using epiretinal electrical stimulation Open
Epiretinal prostheses for treating blindness activate axon bundles, causing large, arc-shaped visual percepts that limit the quality of artificial vision. Improving the function of epiretinal prostheses therefore requires understanding and…
View article: Selective activation of ganglion cells without axon bundles using epiretinal electrical stimulation
Selective activation of ganglion cells without axon bundles using epiretinal electrical stimulation Open
Epiretinal prostheses for treating blindness activate axon bundles, causing large, arc-shaped visual percepts that limit the quality of artificial vision. Improving the function of epiretinal prostheses therefore requires understanding and…