Table 1 Approximate quantification of the experimental observations reported by Hirai et al.41 of sustained exposure to SMF on the extent of \(\text{Ca}^{2+}\) intake into rat hippocampal cells.

From: Radical pair model for magnetic field effects on NMDA receptor activity

NMDA concentration (\(\upmu \)M)

Cytoplasmic \(\text{Ca}^{2+}\) conc. in control setup (%)

Cytoplasmic \(\text{Ca}^{2+}\) conc. at 100 mT (%)

Ratio of conc. at 100 mT vs. control setup

1

6.2

11.5

1.8

3

15.1

23.7

1.6

10

21.1

30.6

1.4

30

24.7

33.2

1.3

100

26.9

33.7

1.2

  1. Immature rat hippocampal cells were cultured for three days in vitro (DIV) in the presence of 100 mT SMF for this experiment. The values in the table are expressed as percentages over the maximal reading found at the end of the experiments from an addition of 10 \(\upmu \)M of \(\text{Ca}^{2+}\) ionophore (A23187).
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