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A pocket blood sugar apparatus tested by enzyme electrode, which was designed using carbon and silver plasma as conducting materials. Both the work and reference electrodes are applied to the parts of enzyme electrode. The glucose oxidase is taken as the medium of blood sugar measuring. And the range of measuring glucose is about 50mg/dL - 500mgl/dL. It has better linear for the results and fit coefficient...
Predicting tissue resistivity is of significance in medical diagnosis due to the fact that disease induces related tissue resistivity change. Studies have shown that the lung and tissues tumors reflect significant impedance change with disease states. It is hypothesized that the impedance measurement with the largest contribution from the organ of interest will result in less error. In this paper,...
The Laplacian of the body surface potentials (Laplacian ECG-LECG) is a new approach to resolve spatially distributed bioelectric sources. LECG is a weak signal so an LECG sensor needs a good signal-to-noise ratio (SNR) and high common mode rejection ratio (CMRR). In this paper, we discuss a LECG sensor, which integrated tripolar concentric ring electrodes and signal conditioning circuit on a printed...
Access, in neonatal intensive care units, to neurological monitoring facilities is often limited by the availability of expensive equipment, expert technicians to provide the biomedical support and neurologists, with neonatal experience, to interpret the data. EEG bedside monitoring is now available through the development of low cost portable bedside monitors. This paper discusses the clinical use...
Carpal tunnel syndrome (CTS) diagnosis could be improved by selectively activating the different types of nerve fibers traversing the carpal tunnel. The objective of this study is to assess the potential of an anodal blocking technique using tripolar surface electrodes for achieving selective fiber activation and evaluating the severity of CTS. Simulations were performed using McNeal's model to determine...
Electrical impedance tomography (EIT) is one of the medical tissue diagnosis devices and it creates a two- or three-dimensional image of electrical impedance distribution in a living tissue. It is used for imaging the information of tissue structures, and physiological functions and states of the tissue. However, there are several problems to achieve the practical use of EIT, which are an inverse...
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