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- W1971606371 abstract "The elemental chemical composition of selected intracellular structures (membrane, mitochondria and nucleus) of the human spermatozoa were studied by the combined use of energy dispersive analyses of X-rays and electron microscopy and the results compared with those obtained by atomic absorption spectrometry of isolated subcellular structures (heads and tails) of the same type of cells. In nuclei EDAX studies showed the following relative concentrations P>S>Mg, K, Zn, Si>Ca, Fe. The mitochondrial spectrum showed the presence of important concentrations of Ca>Fe, K, P>Mg, S>Mn. Human spermatozoa membrane was found to be particularly rich in Ca, S and Z n. By atomic absorption it was found that K was the most concentrated element in both isolated fractions (heads and tails). Sperm heads were found richer than tails in Na, Cu and Zn, while sperm tails had higher concentrations of Ca. The zinc concentration of human sperm cells and their subfractions was considerably higher than the reported Zn concentration in any other human cells or their subfractions." @default.
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- W1971606371 date "1977-02-01" @default.
- W1971606371 modified "2023-09-25" @default.
- W1971606371 title "Elemental composition of subcellular structures of human spermatozoa. A study by energy dispersive analysis of X-ray" @default.
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- W1971606371 doi "https://doi.org/10.1016/0024-3205(77)90469-6" @default.
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