. . . . "upper aqueous phase" . "RNAse A " . "Centrifuge the tube for 10 min at 5000 × g at 4°C. Transfer the upper aqueous phase into new 2ml tubes and add 5μl RNAse A (10 mg/mL). Place the tube for 30 min at 37°C." . . . . . "tube" . . "2021-03-10T10:53:40.132408"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "HVCzenS2L7BjjzEKs2S6JTFEYg2qzdeWTALlR5LUtRDLXtr4VGnowSWnDNMR3Idpm3bP0HkdPVDTt62UftOXJwIQro/4exCztQaullrVk2vIRvMeP/oe7s4lBDntrccEPnvLoz6OXPVQl1QLol0t9V6T07gac+n7FJPTRiVcVPQ=" . . . "2021-03-10T10:53:40.132408"^^ . .