. . . . "upper aqueous phase" . "Transfer the upper aqueous phase to a new tube (size= 1.5 ml)." . . . . "tube" . . "2021-02-24T15:18:20.173824"^^ . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "IbPi+lr2DkKL2Y3/BET0YxuqWUK2++LqcTwa3+O2FlyjL1ZPiburzGqTRPHT09UnysGHioF356EBzLefVwVylxBZxiXD/9oHYloRYscEo+Px2iB0Ngo7fQ84Nl/T/HtMMcwK5KeTIZO0syoY10lF8RqTDbNqE7Icrvlubjothio=" . . . "2021-02-24T15:18:20.173824"^^ . .