We measured voltage sensitive dye, scattered light and birefringence from nerves during potassium channel blockade. Birefringence followed membrane voltage while scattering was slower and long lasting, dissociating cellular swelling processes from membrane potential.
© 2006 Optical Society of America
(000.1430) General : Biology and medicine
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3660) Medical optics and biotechnology : Light propagation in tissues
A. J. Foust and D. M. Rector, "Optically Teasing Apart Neural Swelling and Depolarization," in Biomedical Optics, Technical Digest (CD) (Optical Society of America, 2006), paper MD7.
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