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Mark Hahn and Diana Franks working in the lab.

Mark Hahn and Diana Franks working in the lab.
Mark Hahn and Diana Franks working in the lab.
Mark Hahn and Diana Franks working in the lab.
Mark Hahn and Diana Franks working in the lab.
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364724
Kleindinst, Thomas N.
Mark Hahn and Diana Franks working in the lab.
Still Image
03/07/2011
graphics/Mark_Hahn_Diana_Franks/_TOM5514.jpg
Image Of the Day caption:
Biologists Mark Hahn and Diana Franks unload samples from a scintillation counter, which measures radioactivity. The WHOI researchers and their colleagues have been working to solve an evolutionary puzzle in New Bedford Harbor, where Atlantic killifish are thriving despite decades of contamination from polychlorinated biphenyls (PCBs). The instrument is used to measure how tightly chemicals like PCBs bind to a receptor protein called the aryl hydrocarbon receptor, which may hold the key to how killifish have developed resistance to PCBs.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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