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INTERNATIONAL INSTITUTE
OF BIOPHYSICS
Communication
F.Musumeci
It has been repeated the Gurwitch experiment
on the mitogenetic effect due to self irradiation of yeast cells.
The effect of self irradiation on yeast cell solid culture has been investigated
by counting the young gemmae formation in 104 self irradiated samples,
as compared with an equal set of control samples. The results of all
performed experiments, within their statistical reliability, give a uniform
evidence of the larger rate of gemmation of self irradiated cells in comparison
to controlled ones.
A simple statistical treatment, based on binomial distribution in
the hypothesis that equal probabilities exist to find a larger number of
gemmae either in the self irradiated samples or in the controlled ones, shows
occurrence of the effect with a reliability of 97.5 %.
In order to better understand the reasons of the controversial results
obtained from this effect with different researchers, another experiment,
not yet completed, has been carried out on yeast liquid culture. The analysis
of the results seems to confirm the previous experiment and give clear
indication that the protocol of the measurements plays a very important
role in obtaining the mitogenetic effect. The correspondence between the
period of time in which the spontaneous emission has a maximum and the
period of time in which the mitogenetic effect takes place induces to establish
that the ultraweak photon emission and the mitosis are strictly connected.
Publications in this field:
1) F. Grasso, F. Musumeci, A. Triglia, M. Yanbastiev,
S. Borisova "Self irradiation effect on Yeast cells" -Photochemistry and
Photobiology 54 (1991) 147
2) A. Triglia, F. Musumeci, A. Scordino "Biophysical Aspects
of the Ultraweak Photon Emission from the Living Systems During Growth"
- Current Development of Biophysics, C. Zhang, F. A. Popp and M. Bischof
Eds, Hangzhou University Press, 1996
3) Triglia A., Musumeci F., Scordino A. "The Spontaneous
Ultraweak Luminescence of Living Systems" Rivista di Biologia Biology Forum
(1997) in press.
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