AU Biomaterials Design Lab:Lab Members/CHEM571:Notebook/Chem 471- Fall 2018/2018/09/04

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08/30/2018-Experimenting with Aliphatic Amino Acids Aliphatic Amino Acids: Glycine Alanine Valine Leucine Isoleucine Proline Methionine *** immediately changed color Concentration of Amino Acid help constant at 250 µm 0.05 L * (250*10^16) = 1.25 * 10 ^-5 moles Concentration of gold solution (using HAuCl4 and DI water) 2.5mM 0.0866g HAuCl4 --> 1 L DI water Concentration of NaOH = 5mM Total Solution- First Group: 1mL DI water 1mL Gold solution 1mL Amino Acid solution Second Group: 1mL 5mM 1mL Gold solution 1mL Amino Acid solution 4 hours over night in a 80 ℃ oven- samples observed the next day- Methionine had biggest reaction