Abstract
Abstract It has been hypothesized that perturbations in element metabolism play a role in the etiology and/or pathogenesis of Alzheimer's disease (AD). No conclusion regarding this hypothesis has been reached, however, as results for central nervous system tissues from different research groups are contradictory. We are currently utilizing external-beam thick-target FIXE and PIGE analyses to investigate the elemental concentrations in the bone tissue of AD patients. Because bone acts as a “repository” for many trace elements, these measurements should provide information on the long-term trace-element status of AD patients. With the simultaneous PIXE/PIGE measurements, we are able to instrumentally determine the concentrations of oxygen, phosphorus, calcium, and 12–15 minor and trace elements in a single 30 min irradiation. Initial results obtained from the IBA measurements of both cortical and trabecular bone autopsy samples from four AD patients and twelve age-matched controls indicate a possible imbalance in Zn, Br and Rb.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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