P A R T 4
A Network of Collaborators

The vast potential of nuclear magnetic resonance and magnetic resonance imaging is being explored by Pines' colleagues and collaborators across the country. "We are beneficiaries of the pioneering work at Princeton," says Pines, referring to the early experiments by Thomas Carver and William Happer, and the subsequent development of the foundations of laser-polarized NMR and MRI of noble gases by Happer colleague Gordon Cates and their coworkers. Recent collaborations with the Princeton group include Arnold Wishnia and coworkers at Stony Brook, James Brookeman and coworkers at the University of Virginia, Alan Johnson and coworkers at Duke University, Mitchell Albert and coworkers at Brigham and Women's Hospital at Harvard, Timothy Chupp, Scott Swanson and coworkers at University of Michigan, and Robert Black and company at Magnetic Imaging Technologies Incorporated in North Carolina.

Hyperpolarized xenon gas holds enormous promise as a tool for diagnostic imaging. In these two magnetic resonance images, taken after inhalation of laser-polarized xenon, colored areas reveal the presence of xenon-129, while protons are shown in black and white. The image at left (courtesy Scott Swanson, University of Michigan) is of a live rat brain; at right, the lung area of a human subject (image courtesy James Brookeman, University of Virginia).

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