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From 2010.igem.org

Concentrations for antibiotics

Antibiotic Stock E.coli B.subtilis

• Ampicillin (Amp) (in H2O) 50 mg/ml (4 °C) 100(μg/ml) (:500)
• Kanamycin (Km) 10 mg/ml (4 °C) 20 (μg/ml) (:500) 10 (μg/ml) (:100)
• Spectinomycin (Spec) (in H2O) 10 mg/ml (4 °C) 100(μg/ml) (:100) 100 (μg/ml) (:100)
• Erythromycin (Ery) E.coli stock 10 mg/ml (-18 °C) 150 (μg/ml) (:66.6)
• Erythromycin(Ery) B.subtilis stock 1 mg/ml (-18 °C) 2-5 (μg/ml)
• Tetracyclin (Tet) (50% EtOH) 3 mg/ml (-18 °C) 12 (μg/ml) (:250) 6(μg/ml) (:500)
• Chloramphenicol (Cm) (50% EtOH) 5 mg/ml (-18 °C) 10-15 (μg/ml) (:500/333) 5(μg/ml) (:1000)
• Lyncomycin 12.5 mg/ml (4 °C) 12.5 (μg/ml) (1:1000)*
• Hygromycin 50 mg/ml (4 °C) 125 (μg/ml) (:400)