. . . . "isopropanol" . "supernatant" . "Transfer the very clear supernatant to a fresh tube , add two fold volume cold isopropanol and keep it for 1 hour at -20ยบ celcius ." . . . . . "tube" . . "2021-03-11T10:49:31.220242"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "DzvyxAGjYKwm3DKVt8228SlBXDnP9ZLk5f0PmnS2Iq9lDktk8wxGBsifxH4Ugmy1rDsx3xuEsBCfLWUHFAMWIz/5Z3jGXyqrJbWMBRdPBDwl3xYpxb7bTPNI3K+oaQYN6IsPup2L0H0feAlQmTZ2CIvYUcUL7+/L5E+jvvUc3pE=" . . . "2021-03-11T10:49:31.220242"^^ . .