. . . . "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" . . "2021-03-11T16:43:03.902546"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "Rf8MwNxkq6TAo/NDpGtIBFsS48dJWOTMzNVe/oU0nlifA1qo0OHI8sUCRQ8OWY8/C3F4aAJgnY2flezYdU7f317DxUpZHCTZ9k3tI20XakbwYlVU1iDe3wJ3CMB3AhQM3nLecOz00T38+Jra7XcTnOvCM1FYYS1Ns1Z4rB+HdNE=" . . . "2021-03-11T16:43:03.902546"^^ . .