Excitation of vibrations in microtubules in living cells
Abstract
Microtubules, which are thought to be the primary organizers of the cytoskeleton, are electrical polar structures with extraordinary elastic deformability at low stress and with energy supply from hydrolysis of guanosine triphosphate (GTP) to guanosine diphosphate (GDP). At least a part of the energy supplied from hydrolysis can excite vibrations. Energy is mainly lost by viscous damping of the surrounding cytosol. Viscous damping is diminished by a slip layer which is formed by an attracted ionic charge layer and by a thin surface layer of the microtubule. Relaxation time caused by viscous damping may be several orders of magnitude greater than period of vibrations at 10 MHz. Energy supplied to the microtubule is of the order of magnitude of 10(-14) W cm(-1) (per unit length of the microtubule).
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Coherent megahertz emissions were detected from living cells and ascribed to microtubule dynamics powered by mitochondrial electromagnetic fields.
“In 2001 and 2004, coherent megahertz emissions were detected from living cells and ascribed to microtubule dynamics (powered by mitochondrial electromagnetic fields) by the group of Jiri Pokorný in Prague [134,135].”
From Consciousness in the universe (2014) · cites this paper as [134]
Reimers et al. validated 8 MHz coherence measured in microtubules by Pokorný as weak Fröhlich condensation.
“They validated 8 MHz coherence measured in microtubules by Pokorný [134,135] as weak condensation.”
From Consciousness in the universe (2014) · cites this paper as [134]
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- Authors
- Pokorný, J.
- Affiliations
- Czech Academy of Sciences (CZ)
- Corresponding author
- Pokorný, J.
- ORCID
- Pokorný, J.
- Venue
- Bioelectrochemistry
- Publisher
- Elsevier BV
- Published
- 2004-06
- Volume
- 63
- Issue
- 1-2
- Pages
- 321-326
- ISSN
- 1567-5394 (ISSN-L)
- OpenAlex
- W2098990434
- Cited by
- 128
- References
- 26
- Citations by year
- 2026: 6 · 2025: 7 · 2024: 6 · 2022: 4 · 2021: 3 · 2020: 10 · 2019: 8 · 2018: 7 · 2017: 4 · 2016: 6 · 2015: 12 · 2014: 9 · 2013: 7 · 2012: 9
- FWCI
- 0.17
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioelectrochemistry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministerstvo Školství, Mládeže a Tělovýchovy
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
- Health Sciences › Medicine › Physiology › Biofield Effects and Biophysics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
- Keywords
- microtubules, cytoskeleton, GTP hydrolysis, viscous damping, slip layer, relaxation time, living cells
- MeSH terms
- Animals, Elasticity, Electromagnetic Fields, Energy Transfer, Guanosine Diphosphate, Guanosine Triphosphate, Humans, Hydrolysis, Microtubules, Models, Biological, Vibration, Viscosity
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