Ca and Mg determination from inhabitants of Brazil using neutron activation analysis

Zamboni, Cibele; Oliveira, Laura; Kovacs, Luciana; Metairon, Sabrina
February 2012
Journal of Radioanalytical & Nuclear Chemistry;Feb2012, Vol. 291 Issue 2, p389
Academic Journal
In this study the neutron activation analysis (NAA) technique was applied to determine Ca and Mg in whole blood from inhabitants of Brazil for the purpose of establishing concentration ranges indicative of sex and age. The initiative to perform these measurements is related to the increase in heart disease. According to recent statistics from WHO, the average is one death due to heart attack in Brazil, every five minutes. The measures were performed considering lifestyle factors (non-smokers, non-drinkers and no history of toxicological exposure) of Brazilian inhabitants. A healthy group constituted of male ( n = 94) and female ( n = 84) blood donors, ages between 18 and 70 years and above 50 kg, was selected from the blood banks and hematological laboratories of Brazil. The influence of sex was also investigated considering several age ranges (18-29, 30-40, 41-50, >50 years). The results show significant differences when a comparison is made by sex and age and may be useful to identify or prevent clinical diseases. These results emphasize the need to perform periodic evaluation of Ca and Mg in blood.


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