. . . . "isopropanol" . "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" . . "2021-03-16T16:33:42.128104"^^ . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB" . "fQLvGzBXLwmwtO2S1lkHJYs+i+3HkFrW2kk9zllqzpUFWHajyQlUZrHNUcVJwRg1q+C0Ovq99NlV/BQPZIzpNmFz+6x/SXvTZh/Oo6NdKbOCJVtruVdt2oLjTKDjsii+awhCxqO57wNmHikBDt3hO0CTG6Pcv/XykUWS5decJ9A=" . . . "2021-03-16T16:33:42.128104"^^ . .