. . . . "upper aqueous phase" . "Centrifuge suspension at 12,000 x g for 10 min, 4 °C. Carefully transfer upper aqueous phase to a new 50 ml tube." . . . . . "suspension" . "50 ml tube" . . "2021-02-26T09:50:18.741469"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "JOaoZcee4OVJRA6kxrCKm9hF3kOC0cl7YmrGXIhXA32pQFunEt6NohpsPuWRMIWHVdtHNHBDqO7OT8cvmt80hwchh3qKHgWxPGZsWFMLNnjuYMxitpk2lRv9tpJnEPpvmYm+2irNRjGmxjeczLvGdzNfZyajnppbq2nAHnaDHbE=" . . . "2021-02-26T09:50:18.741469"^^ . .