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Fri 14 Jan, 2011 02:09 am
The word "light" here is the word in "sun light"?
Film = ?
Context:
West, Dickinson, Rice graduate student Jennifer Saik, Rice undergraduate Emily Watkins and Rice-BCM graduate student Daniel Gould combined the modified PEG with two kinds of cells -- both of which are needed for blood-vessel formation. Using light that locks the PEG polymer strands into a solid gel, they created soft hydrogels that contained living cells and growth factors. After that, they filmed the hydrogels for 72 hours. By tagging each type of cell with a different colored fluorescent marker, the team was able to watch as the cells gradually formed capillaries throughout the soft, plastic gel.
@oristarA,
Yes, it's the same light as in sunlight - though not necessarily from the sun.
Filmed means they made a film/movie/video of the process. I'm not sure how you film a hydrogel but it means they made some sort of video record of it for 72 hours.
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