User:Michaela Harper/Notebook/Biological Chemistry Lab/2011/10/19

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To repeat gold nanoparticle synthesis with the same process as performed on 09/07/11, but without taking UV-Vis spectra every 30 minutes.


  1. Combine 0.974 mL of 0.0154 mM BSA and 0.581 mL of 4.3 mM HAuCl4 in a capped test tube at room temperature.
  2. Add water to a total volume of 10 mL
  3. Place reaction mixture in an oven at 80°C for 30 min under thermostatic conditions.
  4. Remove reaction mixture from oven and allow to sit at room temperature for 10 min.
  5. Repeat steps 3 and 4 for 3 hr.

Note: the goal is to make purple fibers that can be used to measure the conductivity.


Purple fibers were formed.