Ochratoxin A affects oocyte maturation and subsequent
2021-1-21u2002·u2002Materials and methods Chemicals OTA (O1877-5 mg; ≥98%; molecular mass: 403.81 g/mol) and all chemicals for in vitro cultures and analyses were pur-chased from Sigma-Aldrich (Milan, Italy) unless otherwise indicated. OTA stock solution was obtained by dissolving 5 mg OTA with 5 ml of HPLC grade methanol (MeOH; ≥
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