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- W2006503730 abstract "X-ray fluorescence spectrometry was used for the quantitative analysis of healthy liver, brain and kidney tissues and the corresponding tissues from subjects suffering from liver cirrhosis. All samples were collected post-mortem and frozen until analysis. A sample of each tissue for the same individual was collected, in order to find any correlation between the elemental concentrations in the different tissues. Age, sex, cause of death and specific diseases were registered. All samples were studied without any chemical treatment. Concentrations of minor and trace elements in each tissue were obtained for 14 elements. Three groups of elements were considered. The first was K and Ca, present in relatively high concentrations in all tissues and known as normal constituents of all living matter. They are essential to cellular metabolism. The second group was Mn, Fe, Cu, Zn, Se, Br, Rb and Sr, which are also essential elements, but may induce toxic effects if present in high concentrations. There is a narrow range between beneficial and toxic concentrations for these elements. The third group was the toxic elements Co, Ni, As and Pb, which normally induce pathological disorders in the organism, even in small concentrations. This work is a contribution to the better understanding of trace element accumulation in human liver, kidney and brain and the possible correlation between abnormal concentrations of some elements in tissues of subjects suffering from cirrhosis. A very important factor is also the relative concentration of the elements with respect to one another and the correlation between the elemental content in the different tissues. Very low concentrations for Ni, As and Sr were found in the samples analysed, at the level of the detection limit. Higher concentrations of Co, Fe and Pb and lower values of Zn and Se were found in liver cirrhosis samples compared with healthy tissues. Brain samples from subjects affected with cirrhosis showed enhanced levels of Pb. In kidney, increased amounts of Zn were found in tissues from subjects with cirrhosis. Copyright © 2001 John Wiley & Sons, Ltd." @default.
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- W2006503730 date "2001-01-01" @default.
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- W2006503730 title "X-ray fluorescence spectrometry: applications in trace elements studies in human tissues from patients with cirrhosis" @default.
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- W2006503730 doi "https://doi.org/10.1002/xrs.517" @default.
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