Brightest X-rays Ever Give Researchers Brand-new View of Biological Molecules

Andrew A. Skolnick
JAMA. 1994;272(11):837-839. doi:10.1001/jama.1994.03520110015004.
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BY THE SUMMER of 1995, scientists at the Argonne National Laboratory near Chicago, Ill, expect to switch on the brightest beams of light ever to shine on the earth.

The light, in the form of synchrotron x-rays, will be used to study the nature of materials, including toxins, enzymes, cell receptors, viral proteins, and other biological molecules.

When fully operational, the Advanced Photon Source at Argonne is expected to provide superintense beams of x-rays for up to 70 separate experiments at a time in medicine, biotechnology, chemistry, physics, materials science, geoscience, and other fields of basic and applied research. The x-ray beams will be 10 000 times brighter than any source now available for research.

World's Largest Microscope Light  The enormously bright and very short wavelength light should enable researchers to capture detailed images of the atomic structure and behavior of complex biological molecules. Because of the great intensity of


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