PATENT WATCH

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David Walt, a professor of chemistry at Tufts University and an inventor of Illumina’s core bead array technology, has received US Patent Number 6,266,459, "Fiber optic sensor with encoded microspheres." The patent, which Walt assigned to the Trustees of Tufts College, covers a microsphere-based array system, in which microspheres or particles with bioactive agents are randomly or specifically distributed on a substrate.

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