Sentences with phrase «buckyballs at»

Encouraged that she had found a new way to trace impact events, she joined with geochemist Robert Poreda of the University of Rochester in New York, who had helped develop the technique to find trapped fullerene gases, to look for buckyballs at the sites of mass extinctions.

Not exact matches

When Laura Dugan, a neurologist at Washington University in St. Louis, heard that buckyballs absorb free radicals, she designed experiments to test whether or not buckyballs could slow down nerve cell death.

The finding shows that buckyballs «act as an effective antioxidant,» sweeping up free radicals, says Jonathan Gitlin, a pediatric neurologist at Washington University.

To make DNA visible, a team at the University of South Carolina, Columbia — including chemists James Tour, Alan Cassell, and Walter Scrivens — attached positively charged ammonium groups to the neutral buckyballs, then mixed the buckyballs with rings and strands of DNA.

But Vicki Colvin, a chemist at Rice University in Houston, Texas, found that buckyballs can cluster into tiny, soluble crystals that aquatic organisms could absorb.

Neal Pellis, associate director of the Biological Sciences and Applications Office at the Johnson Space Center, suggests that buckyballs and other nanomolecules may have free radical — scavenging possibilities.

Previous studies have shown that crystals of buckyballs — carbon spheres officially known as fullerenes — can superconduct at temperatures as high as 52 kelvin.

«This molecule is now all over the galaxy and all over the universe,» noted the late buckyball co-discoverer Harold Kroto, then a chemistry professor at Florida State University.

Oscar Céspedes, a condensed matter physicist at the University of Leeds in England, and colleagues tried to remedy that by stacking metal films and sheets of buckyballs, which tend to steal

The result from the XFEL experiments on Buckyballs, however, was not at all what scientists expected.

The team exposed a sample of crystals, known as Buckminsterfullerene or Buckyballs, to intense light emitted from the world's first hard X-ray free electron laser (XFEL), based at Stanford University in the United States.

Whereas buckyballs are spherical in shape, a nanotube is cylindrical, with at least one end typically capped with a hemisphere of the buckyball structure.

Curl's depiction of the buckyball's creation hints at a dispute over the naming of the molecule.

At the University of Vienna, Anton Zeilinger's work with huge molecules called buckyballs pushes quantum reality closer to the macroscopic world.

Markus Arndt and his colleagues at the University of Vienna sent buckyballs through a diffraction grating.

In August 2005, the scientists reported that they created this compound by compressing buckyballs — soccer ball - shaped molecules each made of 60 carbon atoms — at 2,200 degrees C and 200 times normal atmospheric pressure, a process that could lend itself to mass production.