Live Life by J.A.S











{February 12, 2009}   Cotton Candy Help Labs Grow Tissue.
A Child Eat Cotton Candy

A Child Eat Cotton Candy

Cotton candy has delighted children for a century. Now it may have found a new role: helping scientists grow replacement tissues for people. The flossy stuff may be just right for creating networks of blood vessels within laboratory-grown bone, skin, muscle or fat for breast reconstruction, researchers suggest.

Dr. Jason Spector of NewYork-Presbyterian Hospital/Weill Cornell Medical Center in New York and Leon Bellan of Cornell University present their preliminary research in a paper published online this week by the journal Soft Matter.

Here’s how their technique would work:

First, you pour a thick liquid chemical over a wad of cotton candy. Let the liquid solidify into a chunk, and put that in warm water to dissolve the candy. That leaves tiny channels where the strands of candy used to be. So you have a chunk of material with a network of fine channels within.

Next, line these channels with cells to create artificial blood vessels. And seed the solid chunk with immature cells of whatever tissue you’re trying to make. The block is biodegradable, and as it disappears, it will gradually be replaced by growing tissue. In the end, you get a piece of tissue permeated with tiny blood vessels. (Source)

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