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Journal Articles

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2023
[j19]
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Saeed Alighaleh, Leo K. Cheng, Timothy R. Angeli-Gordon, Gregory O'Grady, Niranchan Paskaranandavadivel:
Optimization of Gastric Pacing Parameters Using High-Resolution Mapping. IEEE Trans. Biomed. Eng. 70(10): 2964-2971 (2023)
2022
[j18]
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Kanyarak Ruenruaysab, Stefan Calder, Tommy Hayes, Christopher N. Andrews, Gregory O'Grady, Armen A. Gharibans, Peng Du:
Effects of Anatomical Variations of the Stomach on Body-Surface Gastric Mapping Investigated Using a Large Population-Based Multiscale Simulation Approach. IEEE Trans. Biomed. Eng. 69(4): 1369-1377 (2022)
2021
[j17]
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Niranchan Paskaranandavadivel, Anthony Y. Lin, Leo K. Cheng, Ian P. Bissett, Andrew Lowe, John W. Arkwright, Saeed Mollaee, Phil G. Dinning, Gregory O'Grady:
ManoMap: an automated system for characterization of colonic propagating contractions recorded by high-resolution manometry. Medical Biol. Eng. Comput. 59(2): 417-429 (2021)
[j16]
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Saeed Alighaleh, Leo K. Cheng, Timothy R. Angeli-Gordon, Zahra Aghababaie, Gregory O'Grady, Niranchan Paskaranandavadivel:
Design and Validation of a Surface-Contact Electrode for Gastric Pacing and Concurrent Slow-Wave Mapping. IEEE Trans. Biomed. Eng. 68(8): 2574-2581 (2021)
2020
[j15]
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Stefan Calder, Gregory O'Grady, Leo K. Cheng, Peng Du:
A Simulated Anatomically Accurate Investigation Into the Effects of Biodiversity on Electrogastrography. IEEE Trans. Biomed. Eng. 67(3): 868-875 (2020)
[j14]
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Jonathan C. Erickson, Laura E. Bruce, Andrew Taylor, John Richman, Connor Higgins, Cameron I. Wells, Greg O'Grady:
Electrocolonography: Non-Invasive Detection of Colonic Cyclic Motor Activity From Multielectrode Body Surface Recordings. IEEE Trans. Biomed. Eng. 67(6): 1628-1637 (2020)
2019
[j13]
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Saeed Alighaleh, Leo K. Cheng, Timothy R. Angeli, Mina Amiri, Shameer Sathar, Gregory O'Grady, Niranchan Paskaranandavadivel:
A Novel Gastric Pacing Device to Modulate Slow Waves and Assessment by High-Resolution Mapping. IEEE Trans. Biomed. Eng. 66(10): 2823-2830 (2019)
2018
[j12]
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Rui Wang, Zaid Abukhalaf, Amir Javan-Khoshkholgh, Tim H.-H. Wang, Shameer Sathar, Peng Du, Timothy R. Angeli, Leo K. Cheng, Greg O'Grady, Niranchan Paskaranandavadivel, Aydin Farajidavar:
A Miniature Configurable Wireless System for Recording Gastric Electrophysiological Activity and Delivering High-Energy Electrical Stimulation. IEEE J. Emerg. Sel. Topics Circuits Syst. 8(2): 221-229 (2018)
[j11]
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Terence P. Mayne, Niranchan Paskaranandavadivel, Jonathan C. Erickson, Gregory O'Grady, Leo K. Cheng, Timothy R. Angeli:
Improved Visualization of Gastrointestinal Slow Wave Propagation Using a Novel Wavefront-Orientation Interpolation Technique. IEEE Trans. Biomed. Eng. 65(2): 319-326 (2018)
2017
[j10]
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Niranchan Paskaranandavadivel, Gregory O'Grady, Leo K. Cheng:
Time-Delay Mapping of High-Resolution Gastric Slow-Wave Activity. IEEE Trans. Biomed. Eng. 64(1): 166-172 (2017)
[j9]
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Stefan Calder, Greg O'Grady, Leo K. Cheng, Peng Du:
A Theoretical Analysis of Electrogastrography (EGG) Signatures Associated With Gastric Dysrhythmias. IEEE Trans. Biomed. Eng. 64(7): 1592-1601 (2017)
2016
[j8]
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Jonathan C. Erickson, Joy Putney, Douglas Hilbert, Niranchan Paskaranandavadivel, Leo K. Cheng, Gregory O'Grady, Timothy R. Angeli:
Iterative Covariance-Based Removal of Time-Synchronous Artifacts: Application to Gastrointestinal Electrical Recordings. IEEE Trans. Biomed. Eng. 63(11): 2262-2272 (2016)
2015
[j7]
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Jerry Gao, Shameer Sathar, Gregory O'Grady, Rosalind Archer, Leo K. Cheng:
A Stochastic Algorithm for Generating Realistic Virtual Interstitial Cell of Cajal Networks. IEEE Trans. Biomed. Eng. 62(8): 2070-2078 (2015)
[j6]
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Shameer Sathar, Mark L. Trew, Greg O'Grady, Leo K. Cheng:
A Multiscale Tridomain Model for Simulating Bioelectric Gastric Pacing. IEEE Trans. Biomed. Eng. 62(11): 2685-2692 (2015)
2014
[j5]
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Simon H. Bull, Gregory O'Grady, Peng Du, Leo K. Cheng:
A System and Method for Online High-Resolution Mapping of Gastric Slow-Wave Activity. IEEE Trans. Biomed. Eng. 61(11): 2679-2687 (2014)
2012
[j4]
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Niranchan Paskaranandavadivel, Gregory O'Grady, Peng Du, Andrew J. Pullan, Leo K. Cheng:
An Improved Method for the Estimation and Visualization of Velocity Fields from Gastric High-Resolution Electrical Mapping. IEEE Trans. Biomed. Eng. 59(3): 882-889 (2012)
2011
[j3]
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Jerry Gao, Peng Du, Rosalind Archer, Greg O'Grady, Simon J. Gibbons, Gianrico Farrugia, Leo K. Cheng, Andrew J. Pullan:
A Stochastic Multi-Scale Model of Electrical Function in Normal and Depleted ICC Networks. IEEE Trans. Biomed. Eng. 58(12): 3451-3455 (2011)
[j2]
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Peng Du, Yong Cheng Poh, Jee Lean Lim, Viveka Gajendiran, Greg O'Grady, Martin L. Buist, Andrew J. Pullan, Leo K. Cheng:
A Preliminary Model of Gastrointestinal Electromechanical Coupling. IEEE Trans. Biomed. Eng. 58(12): 3491-3495 (2011)
2009
[j1]
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Peng Du, Greg O'Grady, John A. Windsor, Leo K. Cheng, Andrew J. Pullan:
A Tissue Framework for Simulating the Effects of Gastric Electrical Stimulation and In Vivo Validation. IEEE Trans. Biomed. Eng. 56(12): 2755-2761 (2009)

Conference and Workshop Papers

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2021
[c20]
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Peikai Zhang, Jadranka Travas-Sejdic, Gregory O'Grady, Peng Du:
Comparison of gold and PEDOT: PSS contacts for high-resolution gastric electrical mapping using flexible printed circuit arrays. EMBC 2021: 6937-6940
2020
[c19]
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Kanyarak Ruenruaysab, Stefan Calder, Tommy Hayes, Gregory O'Grady, Armen A. Gharibans, Peng Du:
Effects of Anatomical Variations on Body Surface Gastric Mapping. EMBC 2020: 2388-2391
2019
[c18]
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  - conf/embc/AghababaieCPBFA19
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Zahra Aghababaie, Chih-Hsiang Alexander Chan, Niranchan Paskaranandavadivel, Arthur Beyder, Gianrico Farrugia, Samuel Asirvatham, Gregory O'Grady, Leo K. Cheng, Timothy R. Angeli:
Feasibility of High-Resolution Electrical Mapping for Characterizing Conduction Blocks Created by Gastric Ablation. EMBC 2019: 170-173
2017
[c17]
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Niranchan Paskaranandavadivel, Timothy R. Angeli, Abigail Stocker, Lindsay McElmurray, Gregory O'Grady, Thomas L. Abell, Leo K. Cheng:
Ambulatory gastric mucosal slow wave recording for chronic experimental studies. EMBC 2017: 755-758
[c16]
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Saeed Alighaleh, Timothy R. Angeli, Shameer Sathar, Gregory O'Grady, Leo K. Cheng, Niranchan Paskaranandavadivel:
Design and application of a novel gastric pacemaker. EMBC 2017: 2181-2184
[c15]
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Niranchan Paskaranandavadivel, Saeed Alighaleh, Peng Du, Gregory O'Grady, Leo K. Cheng:
Suppression of ventilation artifacts for gastrointestinal slow wave recordings. EMBC 2017: 2769-2772
[c14]
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  - conf/embc/KrohnSRVOC17
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Berit Krohn, Shameer Sathar, Oliver Röhrle, Jean-Marie Vanderwinden, Gregory O'Grady, Leo K. Cheng:
A framework for simulating gastric electrical propagation in confocal microscopy derived geometries. EMBC 2017: 4215-4218
[c13]
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Stefan Calder, Greg O'Grady, Leo K. Cheng, Peng Du:
Anatomical variations of the stomach effects on electrogastrography. EMBC 2017: 4219-4222
2015
[c12]
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  - conf/embc/PutneyOAPCED15
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Joy Putney, Gregory O'Grady, Timothy R. Angeli, Niranchan Paskaranandavadivel, Leo K. Cheng, Jonathan C. Erickson, Peng Du:
Determining the efficient inter-electrode distance for high-resolution mapping using a mathematical model of human gastric dysrhythmias. EMBC 2015: 1448-1451
[c11]
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Niranchan Paskaranandavadivel, Peng Du, Jonathan C. Erickson, Gregory O'Grady, Leo K. Cheng:
Extending the automated gastrointestinal analysis pipeline: Removal of invalid slow wave marks in gastric serosal recordings. EMBC 2015: 1938-1941
[c10]
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Niranchan Paskaranandavadivel, Xingzheng Pan, Peng Du, Gregory O'Grady, Leo K. Cheng:
Detection of the Recovery Phase of in vivo gastric slow wave recordings. EMBC 2015: 6094-6097
2013
[c9]
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  - conf/embc/GaoDOAGFC13
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Jerry Gao, Peng Du, Greg O'Grady, Rosalind Archer, Simon J. Gibbons, Gianrico Farrugia, Leo K. Cheng:
Cellular automaton model for simulating tissue-specific intestinal electrophysiological activity. EMBC 2013: 5537-5540
[c8]
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Peng Du, Jerry Gao, Gregory O'Grady, Leo K. Cheng:
A simplified biophysical cell model for gastric slow wave entrainment simulation. EMBC 2013: 6547-6550
[c7]
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Niranchan Paskaranandavadivel, Jerry Gao, Peng Du, Gregory O'Grady, Leo K. Cheng:
Automated classification of spatiotemporal characteristics of gastric slow wave propagation. EMBC 2013: 7342-7345
2011
[c6]
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Niranchan Paskaranandavadivel, Leo K. Cheng, Peng Du, Gregory O'Grady, Andrew J. Pullan:
Improved signal processing techniques for the analysis of high resolution serosal slow wave activity in the stomach. EMBC 2011: 1737-1740
[c5]
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Simon H. Bull, Greg O'Grady, Leo K. Cheng, Andrew J. Pullan:
A framework for the online analysis of multi-electrode gastric slow wave recordings. EMBC 2011: 1741-1744
[c4]
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Peng Du, Greg O'Grady, Niranchan Paskaranandavadivel, Timothy R. Angeli, Christopher Lahr, Thomas L. Abell, Leo K. Cheng, Andrew J. Pullan:
Quantification of velocity anisotropy during gastric electrical arrhythmia. EMBC 2011: 4402-4405
[c3]
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Timothy R. Angeli, Gregory O'Grady, Jonathan C. Erickson, Peng Du, Niranchan Paskaranandavadivel, Ian P. Bissett, Leo K. Cheng, Andrew J. Pullan:
Mapping small intestine bioelectrical activity using high-resolution printed-circuit-board electrodes. EMBC 2011: 4951-4954
[c2]
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  - conf/icse/DerakhshanmaneshAOET11
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Mahdi Derakhshanmanesh, Mehdi Amoui, Greg O'Grady, Jürgen Ebert, Ladan Tahvildari:
GRAF: graph-based runtime adaptation framework. SEAMS 2011: 128-137
1993
[c1]
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Andy Gray, Gregory O'Grady:
Telecommunications pedagogy for effective teaching and learning. Teleteaching 1993: 307-316

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