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Graphene sheets capture cells efficiently

Mild heating of graphene oxide sheets makes it possible to bond particular compounds to the sheets’ surface, a new study shows. These compounds in turn select and bond with specific molecules of interest, including DNA and proteins, or even whole ...

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3-D printing with cellulose

This image from a scanning electron microscope shows a cross section of an object printed using cellulose. The inset shows the surface of the object. Courtesy of the researchers Click for a full size image   3-D printing with cellulose ...

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10 Foods to Energize Your Afternoon

Click for a full size image   10 Foods to Energize Your Afternoon Fatigue happens to the best of us. Whether it’s after a restless night’s sleep, or a mid-afternoon slump, coffee, sugar and energy drinks can feel like the ...

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Mutation raises heart block risk

    Mutation raises heart block risk by Laura Daniel Complete heart block (CHB), an interruption in the electrical signals that synchronize the heartbeat, occurs in about 3 percent of patients following congenital heart surgery. While most cases of CHB ...

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Earth’s mantle may be hotter than thought

HOT STUFF Temperatures in Earth’s mantle are higher than previously thought, results from a new experiment suggest. JOHAN63/ISTOCKPHOTO Click for a full size image   Earth’s mantle may be hotter than thought New technique for analyzing peridotite boosts temperature estimates ...

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Cost of cancer drugs falling

  Expert Reaction: Cost of cancer drugs falling Karl Claxton, Professor of Economics at the University of York, comments on the NICE review of cancer drug costs and its recommendations that two bowel cancer drugs should be used in routine ...

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