. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 Log n*1 [Ca] (mM) Figure 8. Motility response of strains #2038, IIIb, and IIIp (pre-incuhated at Bv = 0, Bh = 20 piT for at least 1 month) to external [Ca] in EMF experiments at ion cyclotron resonance conditions (By = 0, Bh = ^T. ^ = III peak-peak at 16 Hz). Unfilled circles = EMF-exposed; filled circles = sham-exposed; « = 3 in each case. Time indicated is culture age. Results shown only where an EMF-induced effect is apparent. Strains #2036, #2039, IIIb at 2 and 5 days old, and IIIf at 3 and 5
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 Log n*1 [Ca] (mM) Figure 8. Motility response of strains #2038, IIIb, and IIIp (pre-incuhated at Bv = 0, Bh = 20 piT for at least 1 month) to external [Ca] in EMF experiments at ion cyclotron resonance conditions (By = 0, Bh = ^T. ^ = III peak-peak at 16 Hz). Unfilled circles = EMF-exposed; filled circles = sham-exposed; « = 3 in each case. Time indicated is culture age. Results shown only where an EMF-induced effect is apparent. Strains #2036, #2039, IIIb at 2 and 5 days old, and IIIf at 3 and 5 days old showed no effect. served on application of the EMFs (Mann-Whitney test, U = 286. P = ; Fig. 16). Such an increase was not apparent either before or after application of EMFs in comparison with the controls (Mann-Whitney tests; U = 416, P = ; U = 358, P = , respectively. Fig. 16); and the pre-exposure, during-exposure, and post-ex- posure speeds of the control diatoms were not signifi- cantly different from each other (Kruskall-Wallis test, H = p = ). A shift to an even harmonic (32 Hz) abolished the EMF effect (Fig. 16); there was no signifi- cant difference in speed between diatoms exposed to the EMF and control diatoms either before {U = 411, P = ). during {U = 432, P = ). or after (t/ = 424, p = ) EMF application. Again the control diatoms showed no significant variation in speed during the exper- iment (H = , P = ).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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