Eli Lilly ( LLY - news - people )'s bone-building osteoporosis drug Forteo, or parathyroid hormone.

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Parathyroid hormone is a measure of bone health.

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MicroChips' first trial will evaluate whether one implanted device, installed during a simple outpatient operation, can replace a year of daily injections of a generic version of Eli Lilly's bone-building osteoporosis drug Forteo, or parathyroid hormone.

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In a paper in the Journal of Immunological Methods, Wendy Dittmer of Philips claims to have achieved a 100, 000-fold increase in detection speed by hurrying magnetically tagged molecules of parathyroid hormone towards the spin valve with an electromagnet instead of allowing them to diffuse there.

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