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Biomedical Engineering and Biomedical Informatics Program

Biomedical Engineering and Biomedical Informatics Program. Barbara Beckerman Modeling and Simulation Group Computational Sciences and Engineering Division. Biomedical engineering and biomedical informatics research at ORNL. Biokinetic and biotransport modeling

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Biomedical Engineering and Biomedical Informatics Program

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  1. Biomedical Engineering and Biomedical Informatics Program Barbara Beckerman Modeling and Simulation Group Computational Sciences and Engineering Division

  2. Biomedical engineering and biomedical informatics research at ORNL • Biokinetic and biotransport modeling • Three-dimensional organ and tissue modeling using CT or other imagery (pulmonary, arterial, musculoskeletal) • Prediction of outcomes based on biomedical models • Knowledge discovery and intelligent agents for data mining and analysis • Integration of models at multiple temporal and spatial scales • Computer environments (data repositories, search tools, visualization, etc.) in support of biomedical and medical applications Beckerman_0611

  3. ORNL HotBox integrates all the DARPA Virtual Soldier windows Predicted locationof wound SCIRun Net Anatomical ontology: Foundational model of anatomy HotBox interface Physiology display Geometry window with thorax model 3 Beckerman_Biomed_0611

  4. Biomedical applications for thenext-generation Internet (NIH/NLM)* NationalDigital MammographyArchive Beckerman_0611 *Funded by National Library of Medicine–NLM-N01-LM-0-1-3512 and LM-0018-01 (1998–2003); PI–Mitch Schnall, University of Pennsylvania; Co-PI/Technical Director–B. Beckerman, Oak Ridge

  5. Spatial modelingof cell migration Kinetic modelingof biochemicals Result: A multi-scale hybrid continuous-discrete predictive model for tissue pathology Organ Tissue Cellular Biomolecular MMP3 MMP9 MMP3 TIMP1 MMP9 TIMP1 Inhibited TIMP1 TIMP2 MMP3 proMMP9 MMP3 TIMP2 TIMP2 MMP9 MMP9 MMP9 proMMP9 Inhibited TIMP3 ACTIVE MMP9 TIMP3 proMMP9 Collagen IV TIMP1 TIMP1 MMP-9-inducedcollagenolysis Inhibited Collagen IV MMP9 MMP9 Activation of MMP-9 Inhibition of MMP-9 Predictive multi-scale modeling Goal: Predict migration of smooth muscle cells from mediato intima due to inflammatory response after injury Model for predictingvascular disease Atherosclerotic artery Beckerman_0611 Matrix metalloproteinases (MMPs)

  6. Computational modelingfor vascular systems:Collaboration with the UT Medical Center • Metrics for tissue anatomy • Temporal measurement of lumenal diameter • Imaging of vascular wall perturbations after injury due to balloon angioplasty • Biological modeling and simulation environments (cellular, tissue, and multi-scale kinetics models) • Discrete event simulationsto predict resultsof vascular wall injury Mammalian models Computational models Dorsal view Ventral view Thoracic and neck vasculature seen in the microCAT scanner using the vascular contrast agent Fenestra VC (Images courtesy of J. Wall,University of Tennessee Medical Center) Beckerman_0611

  7. Orthopedics research at UTK/ORNL:Dynamic and kinematic models of motion for knees, hips, and spine Cervical Spine Dynamic Model Beckerman_0611

  8. Computational modeling of pre- and post-operative lumbar spine system Two vertebrae and a disc • In vivo imaging and analysis of lumbar spine system (Komistek, Mahfouz) • Finite-element mesh models of the spine (Nukala) • Constitutive modeling of intervertebral discs (Nukala) Beckerman_0611

  9. Non-linear analysis approach predicts onset of epileptic seizure Implemented in software on a PDA or wearable device to alert wearer to occurrence of seizure Protected by five patents and two pending Licensed to Hercules Development Corporation Seizalert on PDA:2005 R&D 100 award* Beckerman_0611 *Hively, Protopopescu, Munro, Kruse (2005) 9 Beckerman_Biomed_0611

  10. Convert CT slice data to finite-element mesh Abdominal aneurysms Prediction of wounds Data repositories Parallel computations Computational tools for toxicants Agent technologies Ontologies and informatics ORNL solves biomedical problems 10 Beckerman_Biomed_0611

  11. Contacts Brian Worley Director, Computational Sciences and Engineering Division (865) 574-4837 worleyba@ornl.gov Barbara Beckerman Program Manager, Biomedical Engineering Computational Sciences and Engineering Division (865) 576-2681 beckermanbg@ornl.gov Richard Ward Senior Research Scientist Computational Sciences and Engineering Division (865) 574-5449 wardrc@ornl.gov Beckerman_0611 11 Beckerman_Biomed_0611

  12. Beckerman_0611

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