NDLI: Effects of Electromagnetic Fields on the Bioluminescence of Dinoflagellates

Content Provider	IEEE Xplore Digital Library
Author	Chun, E.H.Y. Chun, C.S.L.
Copyright Year	2007
Description	Author affiliation: Phys. Innovations Inc., Inver Grove Heights (Chun, E.H.Y.; Chun, C.S.L.)
Abstract	Abstract- We are studying the effects of electromagnetic fields on the stimulated bioluminescence of dinoflagellates. We use the dinoflagellate Pyrocystis fusiformis which emit a bright flash of blue light when disturbed. We placed a container of P. fusiformis between two electrodes. To stimulate a flash of bioluminescence, a wooden stick was dropped onto the assembly containing the electrodes and dinoflagellate container. Light emerging from the container was captured with a video camera and video images were uploaded to a laptop computer. The electrode voltage was varied between 0, 500, and 1,000 volts AC, corresponded approximately to electric field strengths of 0, 787 and 1,575 V/cm, and the frequency ranged from 5 to 20 kHz. At 4 to 6 hours into the night cycle, we dropped the stick once and then once again five minutes later. For fields of frequency 5 kHz we calculated the ratio of the amount of light emitted during the flash at 5 minutes divided by the light emitted at 0 minutes. There is an interesting trend, as the voltage increased, the ratio decreased. Using a one-factor analysis of variance (ANOVA) we concluded that the application of an electromagnetic field causes a statistically significant decrease in the stimulated bioluminescence of Pyrocystis fusiformis.
Starting Page	1
Ending Page	4
File Size	1683574
Page Count	4
File Format	PDF
ISBN	9780933957350
DOI	10.1109/OCEANS.2007.4449195
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-29
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Electromagnetic fields Bioluminescence Containers Electrodes Voltage Analysis of variance Assembly Cameras Portable computers Electric fields Pyrocystis fusiformis bioluminescence dinoflagellates electromagnetic fields
Content Type	Text
Resource Type	Article

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