Tag: Department of Chemistry and Chemical Biology
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Nation & World
Scientists create high-speed nanowire circuits
Chemists and engineers at Harvard University have made robust circuits from minuscule nanowires that align themselves on a chip of glass during low-temperature fabrication, creating rudimentary electronic devices that offer…
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Nation & World
Nanotechnology: Big issues from small stuff
Discoveries in nanotechnology could change the future. Where will such discoveries most likely to take place? Don’t assume it’ll be the United States, cautions Mallinckrodt Professor of Chemistry George Whitesides.…
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Nation & World
Matthew Shair imitates, improves on nature
Matthew Shair and his students work in “protein trafficking.” Genes in living cells carry instructions for making proteins essential to life. These proteins have to get from place to place…
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Nation & World
Building circuits measured in molecules
Yu Huang, a doctoral student in Professor Charles Lieber’s lab, has used fluid flows to arrange tiny bits of wires that are just billionths of a meter wide into millimeter-long…
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Nation & World
Sea squirt cancer drug under test
In the United States, researchers at three Harvard University-affiliated hospitals — Massachusetts General Hospital, Dana-Farber Cancer Institute, and Brigham and Women’s Hospital — have been testing a powerful drug on…
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Nation & World
Nanowire used to sense cancer marker
Professor Charles Lieber and his students have made wires whose thinness is measured in atoms instead of fractions of an inch. That allowed Lieber’s team to develop what is likely…
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Nation & World
A strategy to neutralize anthrax toxin in the body
A Harvard Medical School research team has developed a strategy to neutralize anthrax toxin in the body. So far they have tried the treatment in rats. Normally, rats die within…
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Nation & World
Potent cancer drugs made from sea squirts
In May 2000, researchers at Harvard University announced that they had succeeded in synthesizing a complex anti-tumor drug that is more powerful than any other known drug. The drug, ecteinascidin,…
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Nation & World
Scientists probe Northern Hemisphere ozone loss
The ozone layer shields us from cancerous ultraviolet radiation. Understanding how it is being destroyed was the mission of more than 350 scientists from the United States, Canada, Europe, Japan,…
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Nation & World
Researcher Sunney Xie interested in molecule as an individual
Sunney Xie is one of the world’s leading researchers in molecular imaging and in single-molecule reactions. Xie’s has devised a way to use laser beams to see collections of protein…