Photon density measured over a cut surface: implications for optical mapping of the heart.
作者信息
Roth Bradley J
机构信息
Department of Physics, Oakland University, Rochester, MI 48309, USA.
出版信息
IEEE Trans Biomed Eng. 2008 Aug;55(8):2102-4. doi: 10.1109/TBME.2008.925293.
PMID:18632373
Abstract
During optical mapping of the heart, the signal represents a weighted average of the transmembrane potential. Researchers sometimes illuminate the epicardium and record over a cut surface. My goal is to compare their signal to the photon density within an intact tissue. Does cutting the tissue affect the signal?
摘要
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