نتایج جستجو برای: electrical impedance imaging
تعداد نتایج: 668248 فیلتر نتایج به سال:
The Magnetic resonance electrical impedance tomography (MREIT) is a new medical imaging method combining electrical impedance tomography (EIT) and current injection MRI technique. In this paper, we show the uniqueness in MREIT problem with an orthotropic conductivity under the hypothesis that the ratios of conductivities are known. Based on an effective numerical differentiation method and an a...
Normal and cancerous tissue have changing values of Electrical Impedance Spectroscopy (EIS). In which with comparing their impedance spectrum with bio-impedance measuring system, they can be used for cancerous tissue diagnosis. Probe is the main part in electrical impedance measurement system. In this paper by employing finite element method EIS factor of mucous tissue derived in 5 different pr...
A new biosensing system is described that is based on the aggregation of nanoparticles by a target biological molecule and dielectrophoretic impedance measurement of these aggregates. The aggregation process was verified within a microchannel via fluorescence microscopy, demonstrating that this process can be used in a real time sensor application. Positive dielectrophoresis is employed to capt...
Magnetoacoustic tomography with magnetic induction (MAT-MI) is an emerging approach for noninvasively imaging electrical impedance properties of biological tissues. The MAT-MI imaging system measures ultrasound waves generated by the Lorentz force, having been induced by magnetic stimulation, which is related to the electrical conductivity distribution in tissue samples. MAT-MI promises to prov...
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