Team:UCLA/Notebook/Materials/14 May 2015

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• Degummed more silk (2.5 grams)
• pipetted 100 uL of the dialyzed silk from Tuesday to determine concentration
• Spun more cellulose acetate (same conditions from yesterday)
• prepared LiBr solution (16 mL, 9.3M)
• took light microscope images of the fibers obtained yesterday

• The spun fiber is approximately the same diameter as the PEEK tubing. For reference, the inner diameter of the PEEK tubing is 127 um.

• However, note that the fiber is non-uniform. This is an image of a different spot along the same fiber. This part of the fiber is likely thicker because the dope bent while coagulating in the bath.