https://www.selleckchem.com/pr....oducts/apx-115-free-
4-methyl-benzophenone (4-MBP) was detectable in 11% of the seminal fluid samples while in less then 5% of the urine samples. Overall 45% of the men had at least one of the UV filters present in their seminal fluid at detectable levels. For BP-1 and BP-3 individual levels in urine and seminal fluid were significantly correlated, while this was not evident for BP nor 4-MBP. In conclusion, chemical UV filters are present in men's seminal fluid; some of which can activate the human sperm-specific CatSper Ca2+ channel and thereby p
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