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Cloth pouch filled with tiny beads of resin inside the flask.

Cloth pouch filled with tiny beads of resin inside the flask.
Cloth pouch filled with tiny beads of resin inside the flask.
Cloth pouch filled with tiny beads of resin inside the flask.
Cloth pouch filled with tiny beads of resin inside the flask.
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200254
Kleindinst, Thomas N.
Cloth pouch filled with tiny beads of resin inside the flask.
Still Image
02/07/2012
graphics/T_Mincer_Flatley/DSC_0652.jpg
Used in Oceanus magazine, vol. 49, no. 2, page 16.
Oceanus online caption:
Each culture flask contains a cloth pouch filled with tiny beads of resin. The pouches act like teabags in reverse, gathering metabolic compounds out of the broth. The microbes growing in this flask were photosynthetic, hence the green pigmentation of the broth.
Image of The Day caption:
A culture flask containing marine microorganisms could be the source of new treatments for cystic fibrosis, thanks to work recently begun by WHOI microbiologist Tracy Mincer and the Flatley Discovery Lab in Charlestown, Mass. To look for chemicals with pharmaceutical potential, a small pouch filled with resin beads is placed in the flask. The pouch works like a teabag in reverse: Instead of sending molecules into the water, the beads soak up compounds made by the microbes. The compounds are then removed from the beads and analyzed. The broth takes on the color of natural pigments made by the microbes, which in this flask were photosynthetic.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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