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Determination of trace elements in scalp hair of an elderly population by neutron activation analysis |
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| Authors: | M Saiki E R Alves O Jaluul N M Sumita W Jacob Filho |
| Institution: | 1. Instituto de Pesquisas Energéticas e Nucleares, IPEN-CNEN/SP, Av. Prof. Lineu Prestes, 2242, CEP 05508-000, S?o Paulo, SP, Brazil 2. Faculdade de Medicina, Universidade de S?o Paulo, Rua Dr Enéas de Carvalho Aguiar 155 Cerqueira César, CEP 05403-010, S?o Paulo, SP, Brazil 3. Central Laboratory Division & Laboratories of Medical Investigation (LIM-03), Hospital das Clinicas da Faculdade de Medicina, Universidade de S?o Paulo, Rua Dr Enéas de Carvalho Aguiar 155, Cerqueira César, CEP 05403-010, S?o Paulo, SP, Brazil |
| Abstract: | Neutron activation analysis was applied to assess trace elements concentrations in head hair from healthy elderly people living in the São Paulo metropolitan area. Concentrations of As, Br, Ca, Cl, Co, Cr, Cu, Fe, K, La, Mn, Na, Sb, Se and, Zn were determined. Comparisons were made between the results obtained for dyed and non-dyed hair as well as for hair from females and males of two different age groups. The results were also compared with range values established by clinical laboratories and published data. |
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