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Abstract #2661

A Measurement of the Magnetization Exchange Between the Different Water Compartments in Optic Nerve

Shinar H, Eliav U, Navon G
Tel Aviv University

2H double quantum filtered ( DQF) spectrum of bovine optic nerve is composed of a central transition and 3 pairs of quadrupolar split satellites with quadrupolar splittings of the order of 1400, 550 and 300 Hz. In DQF magnetization exchange experiments, where we selectively excite the broad satellites, we have detected a decay of the magnetization of these signals and a concomitant buildup of the central transition with a time constant of about 15ms. To the best of our knowledge, this is the first time that water exchange is detected between the different compartments of nerves.