Google Workshop on Quantum Biology Microtubules -- Electric Oscillating Structures in Living Cells Presented by Jiří Pokorný October 22, 2010 ABSTRACT Fröhlich formulated hypothesis of coherent electromagnetic activity in biological systems. The full featured Fröhlich's system is described by two complementary nonlinear models: the one with spectral energy channeling and energy condensation in the lowest frequency mode, the other with creation of a ferroelectric state and a potential valley for oscillation amplitudes. Electric and electromagnetic oscillations in various biological systems were found in a wide frequency range from acoustic to visible and UV bands but their internal physical mechanisms are rather unclear. We proved that electromagnetic oscillations at 8 MHz are generated by microtubules in cells (Pokorný et al., Electro- Magnetobiol. 20, 2001, 371). As the greatest activity of living cells is exhibited in the M phase the measurements were performed on synchronous cells in this phase. Cold-sensitive β tubulin mutans tub2-401 and tub2-406 of S. cerevisiae were used. Two types of sensors were designed. A sensor with two evaporated gold strips 400 μm wide with a gap 8 μm between them was prepared on alumina substrate. The other sensor with 7 pairs of gold strips 10 μm wide and gaps from 2 to 10 μm was prepared on silicon substrate. Synchronization was achieved by warming the cell suspension to permissive temperature. Control experiments with empty sensor ...


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