Field induced membrane potential changes in small regions of guinea pig papillary muscles

Optical potential mapping with very high temporal and spatial resolution allowed a detailed investigation of membrane potential changes in guinea pig papillary muscle's during field stimulation. Using the fluorescent potential sensitive dye di-4-ANEPPS and laser excitation we have investigated...

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Bibliographic Details
Main Authors: Windisch, H., Munzer, T., Dapra, D., Gunter, C., Ahammer, H.
Format: Conference Proceeding
Language:English
Subjects:
Bioelectric potentials
Biomembranes
Cell membranes
Delay effects
Electric field effects
Fiber lasers
Fluorescence
Laser applications
Laser excitation
Muscle
Muscles
Optical fiber polarization
Optical sensors
Polarization
Spatial resolution
Stimulated emission
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Description
Summary:Optical potential mapping with very high temporal and spatial resolution allowed a detailed investigation of membrane potential changes in guinea pig papillary muscle's during field stimulation. Using the fluorescent potential sensitive dye di-4-ANEPPS and laser excitation we have investigated the depolarization phases in areas within a small region (
ISSN:1094-687X
0589-1019
1558-4615
DOI:10.1109/IEMBS.1999.802210