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Biophysical Journal 9: 822-832 (1969)
© 1969 the Biophysical Society

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Radiation Damage to Bull Sperm Motility. I

X-Ray Effects and Target Theory

Gerard van Herpen and Robert Rikmenspoel

ABSTRACT

Diluted bull semen samples were irradiated with 180 kv X-rays. Dose response curves were measured for the survival fraction of the spermatozoa, and for the average velocity of the surviving cells. The dose response curves did not show a sensitivity threshold. The half-value dose was determined as 11 kr for the survival fraction and 10 kr for the average velocity. Target theory was adapted specially to explain the form of the measured dose response curves. From this target theory it was found that a small sensitive element is present in the sperm cell with a volume of approximately 0.75 x 10-15 cm3.




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C. J. Brokaw
Flagellar Movement: A Sliding Filament Model: An explanation is suggested for the spontaneous propagation of bending waves by flagella
Science, November 3, 1972; 178(4060): 455 - 462.
[Abstract] [PDF]


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Copyright © 1969 by the Biophysical Society.