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Selenium supplementation enhances the element concentration in blood and seminal fluid but does not change the spermatozoal quality characteristics in subfertile men
Selenium supplementation element concentration
2009/2/13
The objective of this study was to evaluate the effect of selenium (Se) supplementation on Se concentration and glutathione peroxidase (GSH-Px) activity in blood components and seminal fluid and o...
Trace Element Concentration in São Francisco River Water Using STXRF and PIXE Techniques
Trace Element Concentration Sã o Francisco River Water STXRF and PIXE Techniques
2010/10/15
Trace element concentrations in water from S˜ao Francisco River using Particle Induced X-ray Emission (PIXE) and Synchroton Total Reflection X-ray Fluorescence (STXRF) techniques are measured. Th...
Trace Element Concentration in Amorphous Clays of Volcanic Ash Soils in Oregon
Trace Element Concentration Amorphous Clays Volcanic Ash Soils
2012/2/20
Clay fractions in soils from a transect of the Mazama ash deposit (6600-yr-old) contained more than 80% amorphous material. Instrumental neutron activation analysis was used to compare the trace eleme...