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Analytical Chemistry

Scientists at Bausch & Lomb target analytical chemistry

Published in Lab Law Weekly, January 12th, 2007

Investigators publish new data in the report "Surface and depth profiling investigation of a drug-loaded copolymer utilized to coat taxus express2 stents. The surface of a styrene-b-isobutylene-b-styrene triblock copolymer, containing a solid-phase drug, was studied by time-of-flight secondary ion mass spectrometry employing 15-keV Ga+ and 20-keV C60+ ion sources. This polymer/drug system has direct application in the cardiac stent arena, where it has been used to treat restenosis or renarrowing of arterial walls after stent or angioplasty procedures," scientists in the United States report.

"Overall, the results illustrate the successful use of a cluster ion beam for...

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