Table 1

Correlation between magnetic field effects and the JC presence in eggs or embryos

Magnetic field effects and jelly coat


Fielda

Magnetb

Jelly removed

Effect

Ref.


0

no

no

[4]

0.25

no

no

[8]

1.0

yes and no#

more embryos abnormal

[6]

1.5

no

no

[9]

6.34

yesc

no

[10]

8

no

no

[11]

17

yes

cleavage plane reorientation

[7]


aMaximal field strength in T

bTypes of magnets: E = electromagnet; SC = superconductor. Superscripts denote the application of field gradients, subscripts indicate radiofrequency pulsing as in magnetic resonance experiments.

# The experiments were mainly performed on cysteine-dejellied eggs but jelly-coated embryos were mentioned to give essentially the same results.

cEggs were dejellied not immediately after fertilization but about 1 h later. Description is ambiguous on whether field exposure started before or after dejellying.

Mietchen et al. BioMagnetic Research and Technology 2005 3:2   doi:10.1186/1477-044X-3-2

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