International Conference of the IEEE Engineering in Medicine and Biology Society. Proceedings
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Study on method to simulate light propagation on tissue with characteristics of radial-beam LED based on Monte-carlo method.
International Conference of the IEEE Engineerin... 2013:25 (2013) PMID 24109615We considered characteristics of a radial beam LED and applied them on MC simulation as light source. In this paper, we consider 3 characteristics of radial beam LED. The first is an initial launch area of photons. The second is an incident angle of a photon at an initial photon launching area. The...
On high order tensor-based diffusivity profile estimation.
International Conference of the IEEE Engineerin... 2013:93 (2013) PMID 24109632We propose: (i) A new method for estimating HOTs from dMRI data based on weighted least squares (WLS) optimization; and (ii) A new expression for computing the fractional anisotropy from a HOT that does not suffer from singularities and spurious zeros. We also present an empirical evaluation of the...
The effect of applying orthogonal projection technique in short window segments to obtain fetal magnetocardiogram.
International Conference of the IEEE Engineerin... 2013:421 (2013) PMID 24109713We proposed to investigate the minimal time window that is needed to obtain averaging with good SNR to apply the orthogonal projection technique to attenuate maternal magnetocardiogram (MCG) and obtain fetal MCG. The quantifying measure is based on spectral power of signals from 151-channel SQUID ar...
Feasibility study on development of Cerenkov fiber-optic dosimeter for radiotherapy application.
International Conference of the IEEE Engineerin... 2013:485 (2013) PMID 24109729We fabricated a novel Cerenkov fiber-optic dosimeter using two plastic optical fibers without employing a scintillator. In this study, the light intensity and spectrum of Cerenkov radiation induced by a high-energy photon beam were measured as functions of the irradiation angle and the length differ...
The accuracy and precision of signal source localization with tetrodes.
International Conference of the IEEE Engineerin... 2013:531 (2013) PMID 24109741These results suggest that in vivo localization and resolution of individual neuronal sources is feasible....
Impedance spectra of polypyrrole coated platinum electrodes.
International Conference of the IEEE Engineerin... 2013:539 (2013) PMID 24109743Polypyrrole (PPy) coated electrodes may provide new solutions to increase the charge injection capacity and biocompatibility of metal electrodes in e.g., neural stimulus applications. In this study, electrical impedance spectra of PPy coated platinum (Pt) electrodes having three different coating th...
Hierarchical clustering combining numerical and biological similarities for gene expression data classification.
International Conference of the IEEE Engineerin... 2013:584 (2013) PMID 24109754High throughput data analysis is a challenging problem due to the vast amount of available data. A major concern is to develop algorithms that provide accurate numerical predictions and biologically relevant results. A wide variety of tools exist in the literature using biological knowledge to evalu...
Improving the function of dopamine electrodes with novel carbon materials.
International Conference of the IEEE Engineerin... 2013:632 (2013) PMID 24109766For therapeutic purposes, an accurate measurement of dopamine level in situ would be highly desirable. A novel strategy for the selective determination of dopamine concentration based on the diamond-like carbon (DLC) electrode is presented in this abstract. The developed DLC electrode is able to det...
Simulation of transcatheter aortic valve implantation under consideration of leaflet calcification.
International Conference of the IEEE Engineerin... 2013:711 (2013) PMID 24109786We present a simulation workflow using a fully segmented aortic root anatomy, which was extracted from pre-operative CT-scan data and apply individual material models and parameters to predict the procedure outcome. Our results indicate the high relevance of calcification location and size for inter...
Spiral peripheral nerve interface; updated fabrication process of the regenerative implant.
International Conference of the IEEE Engineerin... 2013:771 (2013) PMID 24109801The spiral peripheral nerve interface (SPNI) has been developed to record neural activity by utilizing the body's own ability to regenerate axons after injury. The implantable device is capable of providing a chronic recording array for use with technology designed to compensate for a loss of motor...