User:Allison K. Alix/Notebook/CHEM-581/2013/02/22

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Prepare nanogels with the addition of lecithin


Adding lecithin will hopefully stop the nanogels from adhering to one another in large quantities. We are also going to let the PVOH/phosphate buffer solution cool before adding it immediately to the oil to be homogenized. This may be a crucial step we had been omitting the entire time. Allowing the solution to cool makes it a bit more solidified than when it is still at 100°C


1) Prepare the following solutions:

  • 0.5 g PVOH, 3mL phosphate buffer, 50mL safflower oil (cooled solution prior to homogenization)
  • 0.5 g PVOH, 3mL phosphate buffer, 6μL R6G, 50mL safflower oil (cooled solution prior to homogenization)
  • 0.5 g PVOH, 0.25g lecithin (in 3mL H2O), 3mL phosphate buffer and 50mL safflower oil


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