Rensselaer Research Review Spring/Summer 2010
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* Graphene Is Potential Key to Next Generation Nanocomposite Materials

The toxic arrangements (the soluble oligomer - shown above) and one of the non-toxic arrangements (the non-toxic oligomer) were indistinguishable by various methods. And yet the resveratrol only affected the toxic arrangement.

“The surprise is that this molecule can target some of these packing arrangements that are toxic and rearrange them into packing arrangements that are not toxic. For those forms that are non-toxic, it doesn’t change them,” Tessier said. Intriguingly, Tessier said, one of the toxic arrangements (the soluble oligomer) and one of the non-toxic arrangements (the non-toxic oligomer) were indistinguishable by various methods. And yet the resveratrol only affected the toxic arrangement.

The point, Tessier concludes, is that the seemingly identical non-toxic and toxic arrangements must have some distinguishing feature yet to be discovered, raising questions for future study.

“We have two things that look very similar, but one is toxic and the other isn’t,” Tessier said. “What is it that makes the bad one bad and the good one good?”

The research produced several other findings, Tessier said, including reliable methods of generating the arrangements Tessier’s team produced, and formation of one arrangement which had previously been unknown.

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