Ho Chie Tsai

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Body surface Laplacian electrocardiogram (ECG) mapping using a set of disk electrodes is explored by both computer simulation and human experiments in 12 healthy subjects. The Laplacian ECG was estimated from body surface potentials using finite difference estimation algorithms. The performance of the finite difference Laplacian estimators was evaluated by(More)
A capillary electrophoresis (CE)/indirect chemiluminescence (CL) detection method is described for monoamines, viz., serotonin (5-HT), dopamine (DA), epinephrine (EP), and norepinephrine (NE) and for catechol (CA). Optimal separation and detection were obtained with an electrophoretic buffer of 10 mM sodium borate (pH 9.5) containing 5 mM luminol and 25 mM(More)
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