scholarly journals Magnetic Field-Activated Sensing of mRNA in Living Cells

2017 ◽  
Vol 139 (35) ◽  
pp. 12117-12120 ◽  
Author(s):  
Saira F. Bakshi ◽  
Nataliia Guz ◽  
Andrey Zakharchenko ◽  
Han Deng ◽  
Alexei V. Tumanov ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Living Cells

scholarly journals Sensing Magnetic Fields With Magnetosensitive Ion Channels

2018 ◽  
Author(s):  
Igor Goychuk
Keyword(s):  
Magnetic Field ◽  
Magnetic Nanoparticles ◽  
Ion Channels ◽  
Ferromagnetic State ◽  
Living Cells ◽  
Biological Species ◽  
Modeling Framework ◽  
Naturally Occurring ◽  
The Earth ◽  
The Magnetic Field

Magnetic nanoparticles are met across many biological species ranging from magnetosensitive bacteria, fishes, bees, bats, rats, birds, to humans. They can be both of biogenetic origin and due to environmental contamination, being either in paramagnetic or ferromagnetic state. The energy of such naturally occurring single-domain magnetic nanoparticles can reach up to 10-20 room kBT in the magnetic field of the Earth, which naturally led to supposition that they can serve as sensory elements in various animals. This work explores within a stochastic modeling framework a fascinating hypothesis of magnetosensitive ion channels with magnetic nanoparticles serving as sensory elements, especially, how realistic it is given a highly dissipative viscoelastic interior of living cells and typical sizes of nanoparticles possibly involved.

Magnetic-field parallel motion of living cells

2005 ◽  
Vol 97 (10) ◽  
pp. 10Q907 ◽  
Author(s):  
M. Iwasaka ◽  
S. Ueno
Keyword(s):  
Magnetic Field ◽  
Living Cells ◽  
Field Parallel ◽  
Parallel Motion

scholarly journals Effect of magnetic field on the living cells of Allium cepa L.

CYTOLOGIA ◽  
1991 ◽  
Vol 56 (1) ◽  
pp. 63-72
Author(s):  
Promila Runthala ◽  
Sima Bhattacharya
Keyword(s):  
Magnetic Field ◽  
Allium Cepa ◽  
Living Cells ◽  
Allium Cepa L

scholarly journals THE RELATION OF FREQUENCY TO THE PHYSIOLOGICAL EFFECTS OF ULTRA-HIGH FREQUENCY CURRENTS

1929 ◽  
Vol 49 (2) ◽  
pp. 303-321 ◽  
Author(s):  
Ronald V. Christie ◽  
Alfred L. Loomis
Keyword(s):  
Magnetic Field ◽  
High Frequency ◽  
Electromagnetic Waves ◽  
Biological Effects ◽  
Wave Length ◽  
Living Cells ◽  
Physiological Effects ◽  
Induced Current ◽  
Electro Magnetic Field ◽  
Electro Magnetic

1. Biological effects of electromagnetic waves emitted by a vacuum tube oscillator have been studied at frequencis ranging from 8,300,000 to 158,000,000 cycles per second (1.9 to 38 meters wave-length). 2. The effects produced on animals can be fully explained on the basis of the heat generated by high frequency currents which are induced in them. 3. No evidence was obtained to support the theory that certain wave-lengths have a specific action on living cells. 4. At frequencies below 50,000,000 cycles, the effect of these radiations on animals is proportionate to the intensity of the electro-magnetic field. As the frequency is increased beyond this point, the amount of induced current is diminished and the apparent lethality of the radiation is decreased. This can be explained by changes occurring in the dielectric properties of tissues at low wave-lengths.

scholarly journals Physical model for effects of microwaves on nucleoids in living cells: role of carrier frequency, modulation and DC and AC magnetic field

2021 ◽  
Vol 2103 (1) ◽  
pp. 012056
Author(s):  
A Y Matronchik ◽  
I Y Belyaev
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Frequency Modulation ◽  
Carrier Frequency ◽  
Living Cells ◽  
Resonance Frequencies ◽  
Different Types ◽  
Nonuniform Rotation ◽  
Alternating Magnetic Fields

Abstract The effect of static and alternating magnetic fields on the conformation of nucleoids in cells of different types is considered. The model of slow and nonuniform rotation of the charged DNA domain is used. An equation is obtained for the resonance frequencies of the alternating magnetic field.

Magnetic-field strengths from optical polarization data

1967 ◽  
Vol 31 ◽  
pp. 381-383
Author(s):  
J. M. Greenberg
Keyword(s):  
Magnetic Field ◽  
Optical Polarization ◽  
Polarization Data ◽  
Term Model ◽  
Source Of Information ◽  
Field Strengths

Van de Hulst (Paper 64, Table 1) has marked optical polarization as a questionable or marginal source of information concerning magnetic field strengths. Rather than arguing about this–I should rate this method asq+-, or quarrelling about the term ‘model-sensitive results’, I wish to stress the historical point that as recently as two years ago there were still some who questioned that optical polarization was definitely due to magnetically-oriented interstellar particles.

Observing the galactic magnetic field

1967 ◽  
Vol 31 ◽  
pp. 375-380
Author(s):  
H. C. van de Hulst
Keyword(s):  
Magnetic Field ◽  
Fair Agreement ◽  
Solar Neighbourhood ◽  
Galactic Magnetic Field ◽  
The Magnetic Field

Various methods of observing the galactic magnetic field are reviewed, and their results summarized. There is fair agreement about the direction of the magnetic field in the solar neighbourhood:l= 50° to 80°; the strength of the field in the disk is of the order of 10-5gauss.

Structure in the radiation of the galactic disk

1967 ◽  
Vol 31 ◽  
pp. 355-356
Author(s):  
R. D. Davies
Keyword(s):  
Magnetic Field ◽  
Galactic Disk ◽  
Galactic Magnetic Field ◽  
Measured Polarization

Observations at various frequencies between 136 and 1400 MHz indicate a considerable amount of structure in the galactic disk. This result appears consistent both with measured polarization percentages and with considerations of the strength of the galactic magnetic field.

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