Is the Gold in My Jewelry Real?
In this Science Buddies project, you will determine if the antimicrobial properties of metals are a good test for whether or not a piece of jewelry is made out of real gold. You can customize this kit to include the safe E. coli bacteria, nutrient broth, nutrient agar plates, and other supplies needed to complete this experiment.
Escherichia coli, Living, K-12 Strain, Tube
Nutrient Agar, Prepared Media Plates 100 x 15 mm, Pack 10
Pyrex® Griffin Glass Beaker, Low Form, Measuring, 250 mL
Ethanol, 70%, Laboratory Grade, 500 mL
Sterile Transfer Pipet, Pack of 100