Temporally-Patterned Magnetic Fields Induce Complete Fragmentation in Planaria

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A tandem sequence composed of weak temporally-patterned magnetic fields was discovered that produced 100% dissolution of planarian in their home environment. After five consecutive days of 6.5 hr exposure to a frequency-modulated magnetic field (0.1 to 2 μT), immediately followed by an additional 6.5 hr exposure on the fifth day, to another complex field (0.5 to 5 μT) with exponentially increasing spectral power 100% of planarian dissolved within 24 hr. Reversal of the sequence of the fields or presentation of only one pattern for the same duration did not produce this effect. Direct video evidence showed expansion (by visual estimation ~twice normal volume) of the planarian following the first field pattern followed by size reduction (estimated ~1/2 of normal volume) and death upon activation of the second pattern. The contortions displayed by the planarian during the last field exposure suggest effects on contractile proteins and alterations in the cell membrane's permeability to water. © 2013 Murugan et al.




Murugan, N. J., Karbowski, L. M., Lafrenie, R. M., & Persinger, M. A. (2013). Temporally-Patterned Magnetic Fields Induce Complete Fragmentation in Planaria. PLoS ONE, 8(4). https://doi.org/10.1371/journal.pone.0061714

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