Abstract
PIXE has been applied to the multielemental and microanalysis of human spermatozoa. This is the first attempt to determine the chemical compositions of the motile spermatozoa free from contaminations of seminal plasma without loss of component elements during washing. The spermatozoa were isolated from semen by letting them swim into a kind of physiological saline, Tyrode's solution. Relative concentrations of P, K, Ca, Ti, Fe, Zn and Br in motile spermatozoa were determined by the use of the chlorine K X-ray peak intensity for evaluating the amount of Tyrode's solution contained in the sample targets. The concentrations of calcium and iron in spermatozoa were considerably higher than in seminal plasma. The concentrations of P, K, Zn and Br in spermatozoa were not so different from those in seminal plasma.
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