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Purpose: To propose and test the feasibility of a novel method for quantifying 3D regional pulmonary kinematics from hyperpolarized helium-3 tagged MRI in human subjects using a tailored image processing ... Materials and Methods: Following image acquisition, inspiratory and expiratory tagged 3 He magnetic resonance (MR) images were preprocessed using various image filtering techniques to enhance the tag surfaces ... Recent developments in lung MRI using hyperpolarized helium-3 and MR tagging techniques have paved novel investigatory avenues for quantifying pulmonary kinematics (3) (4) (5) (6) . ...doi:10.1002/jmri.22137 pmid:20432362 pmcid:PMC2997045 fatcat:iw2b5ked6jgftbxuyhsw3pvua4
Nuclear magnetic resonance spectroscopy on individual gills was able to resolve the relative concentrations of all the major phosphate compounds involved in energy metabolism (arginine phosphate, ATP and ... Furthermore, kinematic analysis of high-speed imaging data revealed no major deficits in either the escape-response or swimming. ... Through the use of Computed Tomography (CT) to map the extent of the lung and structural and functional Magnetic Resonance Imaging (MRI and fMRI) the function of the cardiopulmonary system can be observed ...doi:10.1093/icb/40.6.925 fatcat:sswfs6o3erccbpewm7ewgyf4lu
The many successes of this young science range from the identification and counting of physical and biological inhomogeneities, such as microbubbles, zooplankton, and fish, to the remote sensing of distant ... ing of the strings was negligible, that energy flowed from the strings to the resonance box, and that energy was dissipated in the resonance box. ... Psychol. 3, 3-97 (1965)]. ...doi:10.1121/1.2026824 fatcat:xbwjl6wggjh5xee7ci2vcphfd4