Search Results - "V. Sahakian, Alan"
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Cascaded spintronic logic with low-dimensional carbon
Published in Nature communications (05-06-2017)“…Remarkable breakthroughs have established the functionality of graphene and carbon nanotube transistors as replacements to silicon in conventional computing…”
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Use of Sample Entropy Approach to Study Heart Rate Variability in Obstructive Sleep Apnea Syndrome
Published in IEEE transactions on biomedical engineering (01-10-2007)“…Sample entropy, a nonlinear signal processing approach, was used as a measure of signal complexity to evaluate the cyclic behavior of heart rate variability…”
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3
Real-time monitoring radiofrequency ablation using tree-based ensemble learning models
Published in International journal of hyperthermia (01-01-2019)“…Background: Radiofrequency ablation is a minimally-invasive treatment method that aims to destroy undesired tissue by exposing it to alternating current in the…”
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Irreversible Electroporation Therapy in the Liver: Longitudinal Efficacy Studies in a Rat Model of Hepatocellular Carcinoma
Published in Cancer research (Chicago, Ill.) (15-02-2010)“…Irreversible electroporation (IRE) is an innovative local-regional therapy that involves delivery of intense electrical pulses to tissue to induce nanoscale…”
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Toward Carbon-Nanotube-Based Theranostic Agents for Microwave Detection and Treatment of Breast Cancer: Enhanced Dielectric and Heating Response of Tissue-Mimicking Materials
Published in IEEE transactions on biomedical engineering (01-08-2010)“…The experimental results reported in this paper suggest that single-walled carbon nanotubes (SWCNTs) have the potential to enhance dielectric contrast between…”
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6
Abrupt changes in fibrillatory wave characteristics at the termination of paroxysmal atrial fibrillation in humans
Published in Europace (London, England) (01-07-2007)“…Aims We investigated the process of spontaneous termination of atrial fibrillation (AF) to determine its time course from the surface ECG. Methods and results…”
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Irreversible Electroporation in the Liver: Contrast-enhanced Inversion-Recovery MR Imaging Approaches to Differentiate Reversibly Electroporated Penumbra from Irreversibly Electroporated Ablation Zones
Published in Radiology (01-02-2011)“…To evaluate the use of contrast material-enhanced magnetic resonance (MR) imaging with conventional T1-weighted gradient-recalled echo (GRE) and…”
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Extraction of the magnetohydrodynamic blood flow potential from the surface electrocardiogram in magnetic resonance imaging
Published in Medical & biological engineering & computing (01-07-2008)“…The magnetohydrodynamic effect generates voltages related to blood flow, which are superimposed on the electrocardiogram (ECG) used for gating during cardiac…”
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Real-Time Radiofrequency Ablation Lesion Depth Estimation Using Multi-frequency Impedance With a Deep Neural Network and Tree-Based Ensembles
Published in IEEE transactions on biomedical engineering (01-07-2020)“…Objective: Design and optimization of statistical models for use in methods for estimating radiofrequency ablation (RFA) lesion depths in soft real-time…”
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10
Early and Late Fusion Machine Learning on Multi-Frequency Electrical Impedance Data to Improve Radiofrequency Ablation Monitoring
Published in IEEE journal of biomedical and health informatics (01-08-2020)“…Radiofrequency ablation (RFA) is a popular modality for tumor treatment. However, inexpensive real-time monitoring of RFA within multiple tissue types is still…”
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11
Inappropriate activation of pacemaker magnet response mode by CPAP masks
Published in Pacing and clinical electrophysiology (01-08-2019)“…Background While electromagnetic interference is widely recognized as a cause of noise detected by cardiac implanted electronic devices (CIEDs), we report on…”
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Automated Recognition of Obstructive Sleep Apnea Syndrome Using Support Vector Machine Classifier
Published in IEEE transactions on information technology in biomedicine (01-05-2012)“…Obstructive sleep apnea (OSA) is a common sleep disorder that causes pauses of breathing due to repetitive obstruction of the upper airways of the respiratory…”
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13
Complementary Magnetic Tunnel Junction Logic
Published in IEEE transactions on electron devices (01-04-2014)“…This brief proposes and analyzes a novel logic family composed solely of magnetic tunnel junctions (MTJs) to form complimentary pull-up and pull-down networks…”
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14
Threshold Logic With Electrostatically Formed Nanowires
Published in IEEE transactions on electron devices (01-03-2016)“…The modulation of current through an electrostatically formed nanowire (EFN) is controlled by the voltage on the four input gates. The behavior of this…”
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Relationship between pattern of occurrence of atrial fibrillation and surface electrocardiographic fibrillatory wave characteristics
Published in Heart rhythm (01-12-2004)“…The purpose of this study was to assess whether surface ECG fibrillatory (f)-wave characteristics reflect clinical variables, especially pattern of occurrence…”
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Observations of pacemaker pulses in high-bandwidth electrocardiograms and Dower-estimated vectorcardiograms
Published in Journal of electrocardiology (01-03-2011)“…Abstract Background Electronic pacemaker pulses are poorly reproduced in computerized electrocardiogram (ECG) tracings, impairing both automated and human…”
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Derivation of orthogonal leads from the 12-lead electrocardiogram. Performance of an atrial-based transform for the derivation of P loops
Published in Journal of electrocardiology (2008)“…Abstract The objective of this study was the evaluation of the accuracy of Dower inverse transform for the derivation of the P wave in orthogonal leads. We…”
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Remote Sensing of Heart Rate and Patterns of Respiration on a Stationary Subject Using 94-GHz Millimeter-Wave Interferometry
Published in IEEE transactions on biomedical engineering (01-06-2011)“…Using continuous wave, 94-GHz millimeter-wave interferometry, a signal representing chest wall motion can be obtained that contains both the heart rate and…”
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19
Experimental confirmation of backscattering enhancement induced by a photonic jet
Published in Applied physics letters (27-11-2006)“…The authors report experimental confirmation of backscattering enhancement induced by a photonic jet emerging from a dielectric sphere, a phenomenon recently…”
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Compact Millimeter-Wave Sensor for Remote Monitoring of Vital Signs
Published in IEEE transactions on instrumentation and measurement (01-03-2012)“…A compact millimeter-wave (MMW) sensor has been developed for remote monitoring of human vital signs (heart and respiration rate). The low-power homodyne…”
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