. . . . "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" . . "2021-03-20T05:42:13.116235"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "YfEl5jIEJPyeCRFUi38eWI6yn3SUuQblns6KE61cUzWZwP0ro/GH3cx2RRbnkvIdPWLf8QGl14/gg/g0+bErZtpzi9SibgLpjhEbPdB7DIvK65w4VEKAonkdkzxQOITSQ+Ux52zn1ksLHauGCJ2tcC1CDclXTyOd4aiEPO3GhdI=" . . . "2021-03-20T05:42:13.116235"^^ . .