When in use, dip the bacterial solution with a burning sterilized inoculation loop and streak on the solid Luria–Bertani (LB) medium containing ampicillin (Ap, 100 μg/ml) to activate the strain.
When using, use a burn sterilization inoculation ring to dip the bacterial solution in the solution containing ampicillin (Ap, 100 μ Scribe on solid Luria Bertani (LB) medium (g/ml) to activate the strain.
When in use, dip the bacterial liquid in the burning sterilization inoculation ring and draw lines on the solid Luria-Bertani(LB) medium containing ampicillin (Ap, 100 μg/ml) to activate the strain.