Topic membranes

News membranes

• Nanotubes: cellular membranes on supply
  

  When unfolding a tent for the first time, you may wonder how the huge tarpaulin fits into a bag the size of a football. Biologists wonder about something similar: when a cell divides, the surface area of the cell membrane grows. Moreover, when molecules are brought from one organelle to another insi more

• AFM positioning: Shining light on a needle in a haystack

  The researchers characterize their new technique as a neat solution to the "needle in a haystack" problem of nanoscale microscopy, but it's more like the difference between finding the coffee table in a darkened room either by walking around until you fall over it, or using a flashlight. In a new pa more

• Researchers show how cells open 'doors' to release neurotransmitters

  Like opening a door to exit a room, cells in the body open up their outer membranes to release such chemicals as neurotransmitters and other hormones. Cornell researchers have shed new light on this lightning-quick, impossibly small-scale process, called exocytosis, by casting sharp focus on what h more

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