. . . . "isopropanol" . "clear supernatant" . "clear 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" . . "2021-03-10T10:40:34.285030"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "U1qf30RAXfxn1/xwTczDFhzx1wBXAs8h4UBAJ4OiTXKiqKhZXKRqbrholoeYD6OmZ8aEf4Z8QLIMPo2jO/5HtS6Sb81GV/WhsNeoMxYp7eJsEDJiVIeR2Qz8dq3xJnwLVwt6IK6cj57brAhPPZCYiv5YUR8oJ4DkZKpv4zV+YVk=" . . . "2021-03-10T10:40:34.285030"^^ . .