These are flashcards an notes made by students on topics like 'lipids', 'permeability' and 'crystalline', originating from:

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- Wageningen University
ISBN-13 9990002019708
665 Flashcards & Notes
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Study Cards on lipids, permeability, crystalline

Are the mechanical properties of lipids good or bad?
Bad
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Why are lipids suitable as barrier against moisture?
Water is poorly soluble in lipids.
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Many lipids are crystalline. What does that have an effect on?

  • The extremely low solubility and diffusivity in crystals lead to a low overall permeability.
  • The form and orientation of crystals can be important to the permeability behaviour: planar crystals oriented parallel to the surface act as individual layers in series. This leads to a much lower overall permeability.
  • However, the higher the crystalline fraction, the poorer the mechanical properties are.
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