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From 2010.igem.org

7/7/10

Jennifer and Alex - in Lin Lab

Made CaCl₂ stock solution: 0.1M - 50mL

• molar mass = 111 g/mol
• (.1 mol/L)(.05 L)(111 g/mol) = 555mg
• dissolved 555 mg CaCl₂ in 50mL DIwater
• vacuum filtered into 50mL tube

Made ampicillin stock solution:

 -1 g ampicillin
 -5mL DIwater
 -ethanol

• filtered by syringe into 15mL tube
• put into ten 1mL alliquots in 1.5mL tubes
• stored in -20°C in ERB lab

Inoculated E. coli DH5α from frozen stock into 12 mL LB broth

• put in 30°C, 200 rpm shaking, overnight