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This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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Imagine finding a new painting by Renoir.
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In a way, Northwestern University chemist Richard Van Duyne did just that by revealing the original colors of what is now the faded remains of the original Madame Léon Clapisson.
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He showed what it currently looks like at the recent meeting of the American Association for the Advancement of Science in Chicago.
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"Somewhere near the edges where the frame was surrounding it, it protected the painting a bit from fading.
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And so we analyze what the molecules were under the frame to tell us what they should be now."
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Van Duyne is a pioneer in the analysis of the molecular composition of materials.
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In this case he identified a red paint called carmine lake that was known to fade.
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He then showed "a re-colorized version of what we imagine the painting was, based on the molecular information provided by this surface enhanced ramen spectroscopy."
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The new image is much richer, the reds more vibrant, and the woman in the painting pops out with greater depth.
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"Molecular analysis of paintings, that's really what's new.
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There've been many ways to analyze the inorganic content of paintings and the elemental composition, brilliant methods,
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and now we add molecular resolution to the whole enterprise."
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Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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1 / 14
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显示原文 =This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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2 / 14
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显示原文 =Imagine finding a new painting by Renoir.
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3 / 14
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显示原文 =In a way, Northwestern University chemist Richard Van Duyne did just that by revealing the original colors of what is now the faded remains of the original Madame Léon Clapisson.
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4 / 14
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显示原文 =He showed what it currently looks like at the recent meeting of the American Association for the Advancement of Science in Chicago.
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5 / 14
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显示原文 ="Somewhere near the edges where the frame was surrounding it, it protected the painting a bit from fading.
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6 / 14
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显示原文 =And so we analyze what the molecules were under the frame to tell us what they should be now."
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7 / 14
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显示原文 =Van Duyne is a pioneer in the analysis of the molecular composition of materials.
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8 / 14
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显示原文 =In this case he identified a red paint called carmine lake that was known to fade.
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9 / 14
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显示原文 =He then showed "a re-colorized version of what we imagine the painting was, based on the molecular information provided by this surface enhanced ramen spectroscopy."
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10 / 14
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显示原文 =The new image is much richer, the reds more vibrant, and the woman in the painting pops out with greater depth.
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11 / 14
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显示原文 ="Molecular analysis of paintings, that's really what's new.
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12 / 14
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显示原文 =There've been many ways to analyze the inorganic content of paintings and the elemental composition, brilliant methods,
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13 / 14
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显示原文 =and now we add molecular resolution to the whole enterprise."
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14 / 14
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显示原文 =Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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- 单句循环：关
- 单句循环：×3
- 单句循环：×5
- 单句循环：∞