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September 22, 2017

Introduction:

Dr. Kapp will be out of town today due to his meeting, however, he has left the supplies in the Biotech room; Trial-runs on the chosen topics at the Bay Area Science Festival - Cranberry Juice and Skittles Gel Electrophoresis.

Trial-run for Cranberry Juice

  • Substitute 1 M HNO3 (nitric acid) as for lemon juice (now 09/22/2017) received from Kylin at the Stockroom.

Note: Next Trial we will use concentrated lemon juice

  • See googledoc>> Bay Area Science Festival Exhibitions

  • Reference:http://www.mdsci.org/wp-content/uploads/2015/11/Colorful-Cranberry-Chemistry.pdf

  • Post-results: It did work. We noticed changes (photos will be added).

Trial-run for Skittles Gel Electrophoresis

  • Gel Electrophoresis set-up

  • Skittles candies: Diluted with Ethanol >> Mixed by centrifuge to dissolve the solution >> Skittles extract transfer to each well for the Gel Electrophoresis (the skittles pigment color are light) >>

Trial-run for Mint Chromatography

  • Substitute Peppermint Extract as for mint (now 09/22/2017). We can not find the mint supplies.


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