Abstract
Proton Induced X-ray Emission (PIXE) method is used for the determination of elemental concentration in a cancellous bone of human femoral head from five autopsies and seven patients with femoral neck broken. Specimen preparation and experimental procedure are described in detail. Using t test, the results show that the concentrations of P , Ca , Fe , Cu , Sr in a control group are higher than those in a patient group, but the concentrations of S , K , Zn , Mn are not significantly different. The physiological functions of metal elements in human bone are also discussed.
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