| Lipomics_Technologies,_Inc_ Resources in therapeutics and diagnostics for metabolic disorders. Includes powerpoint-dependent slide show of lipid metabolites, and library of fatty acids and sterols from discovery and development |
| Los_Alamos_National_Laboratory_Bioscience_Division Multidisciplinary research and engineering at the interface of biology, chemistry, physics, and computational biology |
| Lung_Nodule_Detection_Using_Template-Matching_Technique_-_unpublished_manuscript Description of a simple technique for computer-aided diagnosis of lung nodules in chest radiographic images. |
| Margret_&_H__A__Rey_Laboratory_for_Nonlinear_Dynamics_in_Medicine Interdisciplinary research laboratory at the Beth Israel Deaconess Medical Center, affiliated with Harvard Medical School, Harvard-M.I.T. Division of Health Sciences and Technology, and the Center for |
| Master_Training_Packages_in_Biomedical_signal_Processing Graduate "distance learning": Extraction of Signals from Noise, Computing Methods for Simulation Modelling and Analysis, Instrumentation Signal Acquisition and Stimulation, Signal Analysis for Medicin |
| M-Biotech_-_Hydrogel_Biosensors Glucose biosensor based on pressure changes from hydrogel swelling. Other analytes under development. |
| McGowan_Institute_for_Regenerative_Medicine Tissue engineering, biomaterials, cellular therapeutics, stem cells - University of Pittsburgh research institute. |
| Medical_Device_Forum Bulletin board-newsgroup for Medical Device industry professionals. Share ideas, discuss current issues, or seek solutions regarding the design, manufacture, or regulation of medical devices. |
| Medical_Devices_Centre_at_the_University_of_Ottawa_Heart_Institute Multidisciplinary research and training opportunities related to the development of medical devices and patient care support. |
| Medical_Engineer Resources for Medical Engineering including jobs boards, discussion forums, and online calculation tools. Features the open definitions discussion project. |
| Medical_Engineering_&_Physics_Journal A journal of the Institude of Physics and Engineering in Medicine, issues monthly, subscription required for fulltext. |
| Medical_informatics_laboratory,_University_of_Cyprus Medical Informatics Laboratory of the Department of Computer Science of the University of Cyprus |
| Mediomics Fluorescence-based test products for rapidly and sensitively measuring the activity of sequence-specific DNA binding proteins and their specific small molecule co-regulators (ligands). |
| MEMS_with_Maskless_Photolithography MEMS fabrication service. |
| Microscopy_Primer Web treatise on microscopy that covers a broad range of topics from basic to advanced. |
| Models_of_Fetoplacental_Blood_Circulation 1993 thesis describing blood circulation of human placenta, with in vitro experiments and models. Language: Italian and English. |
| Monash_University_Rehabilitation_Technology Catalogue of prosthetic, orthotic, and rehabilitative devices developed by REHABTech and available for the industry. Information for amputees - advice and links to support groups. Information for the |
| Morphogenesis_and_Regenerative_Medicine_Institute Integrative biology effort at the University of Virginia targeting the basic principles underlying how cells form, organize, maintain, regenerate, and repair the proper three dimensional structures of |
| Motus_Bioengineering,_Inc_ Motus uses gyroscopes to quantify gait, tremor, dyskinesia, and range of motion in individuals with Parkinson's, stroke, and sport injuries, and can track rehabilitation outcome. |
| NanoLight_Technologies Marine bioluminescent and fluorescent proteins for medical diagnostics, tumor imaging, and drug discovery. |
| National_Cheng_Kung_University_Institute_of_Biomedical_Engineering Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan |
| National_Institutes_of_Health_Bioengineering_Consortium BECON is a collaberation between senior members of all NIH institutes, centers, and divisions to steer bioengineering development. |
| Netech_---_Biomedical_and_Industrial_Test_Instruments_and_Calibration_Services Products and services for test and calibration of medical instruments. |
| Neural_Engineering_Center,_Biomedical_Engineering,_Case_Western_Reserve_University Analyzing the function of the nervous system, developing methods to restore damaged neurological function, and creating artificial systems by integrating physical, chemical, mathematical and engineeri |
| Neurocybernetics_Research_Group_-_Technische_Universitat_Ilmenau Methods and applications for neurodiagnostics, neurotherapy, and neurocontrol. |
| Nian-Crae,_Inc__Technology_Solutions Computerized devices for rehabilitation, including ambulatory physiological data recorders and an artificial hand. |
| NIH_Center_for_Biological_Field_Modeling,_Simulation,_and_Visualization_-_University_of_Utah Center for research and development of advanced modeling, simulation, and visualization methods for solving bioelectric field problems |
| Nippon_Medical_Research Biomedical venture company with an injectable antibiotic for MRSA (methicillin-resistant Staphylococcus aureus)infections. |
| OakRiver_Technology_Corporation Provider of engineering and contract manufacturing solutions specializing in electro-mechanical and medical devices. |
| Optobionics_-_Silicon_Retina Artificial silicon retina for restoring vision in humans --- in clinical trials. |
| Patient_Telemonitoring Telecare - telemonitoring over mobile networks for interactive, continous care. |
| Pega_Medical_Inc_ Design, development, evaluation, and manufacturing of medical devices (bone repair products). 3-D CAD/CAM system, Finite Element Analysis, static and fatigue biomechanical testing, contract manufactur |
| Personal_Page_-_Oliver_Wagner,_Ph_D_ Biomedical researcher's personal page including curriculum vitae and examples of current scientific work. |
| R__M__Baldwin,_Inc Multi-Disciplinary Engineering Services For Medicine & Industry. A truly unique consulting firm that offers a comprehensive approach to product development, regulatory compliance and engineering. |
| Radiophysical_Methods_in_Medicine Biomedical engineering, biomedical physics, biomechanics, and bioacoustics. Institute of Applied Physics, Russian Academy of Sciences |
| Reiners_Biomedical_Engineering_Site Reiner Beck lists his favourite links regarding medical science and biomedical engineering. |
| Roar_Biomedical,_Inc_ Fluorescence-based protein activity kits with "Spectral Interference Protection". |
| RWTH_Master_Programme_Biomedical_Engineering Interdisciplinary course of studies in engineering, medical, and natural sciences at the Aachen University of Technology (Rheinisch-Westfälische Technische Hochschule, RWTH). Taught in English. |
| School_Of_Medical_Science_&_Technology,_IIT,_Kharagpur,_India Thi newly established school in the Indian Institute of Technology, Kharagpur provides interdisciplinary education and research in Bioengineering, to medical doctors, giving them the cutting-edge in t |
| Storm2k_com Links relating to surgical technology and images of surgical tools. |
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HomeResearchPeoplePapersContactLinks University of California Radiological Sciences Dept.Medical Science I B140 Irvine, CA 92697-5000
Imaging Physics Laboratory 
Welcome to the Molloi Group at the University of California, Irvine. Angiographic Fractional Flow Reserve Limitations in the visual assessment of intermediate severity stenoses by coronary angiography are known to suffer from intra- and inter-observer variability as well as discordance with their true physiologic importance [1-6]. Previous studies have performed functional analyses of stenoses using acquired images to predict pressure gradients [7-9], to estimate coronary flow reserve [10-12], to assess coronary flow through Thrombolysis in Myocardial Infarction (TIMI) frame count [13-15], and to assess functional improvement after coronary intervention [16, 17]. An important index not already estimated from coronary angiography is fractional flow reserve (FFR). Pressure-based fractional flow reserve (FFR) has proven to aid the cardiologist in evaluating the flow-limiting potential of stenoses as well as the therapeutic gain of angioplasties [18, 19]. FFR quantifies the reduction in maximum coronary blood flow from a theoretical maximum normal flow in the presence of a stenosis. How can FFR be determined if the maximum normal flow is unknown? The pressure-based approach has elegantly circumvented the need to know the theoretical maximum normal flow by approximately FFR as a ratio of diseased perfusion pressure over the maximum inflow pressure from the aorta. However, a limitation to the current pressure-based FFR method is the need to insert a pressure wire (0.014”) into distal parts of coronary arteries. Read more... Dual Energy Imaging In x-ray imaging, pixel values represent effective attenuation measurements of an object in the beam and can be expressed by the following equation: N = N0e-utWhere N is the number of detected photons, N0 is the number of photons incident on the object, u is the attenuation coefficient and is material specific and a function of energy, tis the object thickness. When imaging two distinct materials, the equation becomes: N = N0e-(ujtj+uata)Only in limited situations with specific a priori knowledge can information about the thickness of both materials be discerned from a single measurement. Read more...
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