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Lipids are Cool #1

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Uploaded by on Sep 10, 2007

On a sphere, two kinds of lipids separate from a mixture to form cool shapes on the surface, and eventually two distinct phases (spinodal decompostion of saturated and unsaturated lipids + cholesterol, flourescently labeled, scale bar 10um).

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Uploader Comments (thesoundofscience)

  • Why are the lipids moving? I know that cholesterol can flip the lipid bilayer when pressure is applied, but thats not whats happening here is it? The cholesterol is just forming clumps on the surface.

  • At this small scale the movement you're seeing is diffusion, i.e. due to temperature. There are interactions between the lipids that lead to the formation of groups of saturated lipids *and* cholesterol, the black lipids are unsaturated (they're not fluorescently labeled hence black).

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  • Yes! Lipids FTW!

  • are you using confocal?

  • where did the guitar comment come from???

  • Ahhh... I can show you a Hungarian Minor Scale on the Guitar?

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