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Concentrations of ions and metals in blood of amateur and elite runners using NAA

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Abstract

Intense physical training is known to be associated with increased mineral losses through sweating (during the exercise) and also through urine (after the exercise). Nowadays physical training is recognized for adapting or damaging the muscles, depending on the intensity and duration of the effort, provoking detectable metabolic alterations in blood, mainly in the content of some ions. In this study Br, Ca, Cl, K, Mg, Na and S levels were investigated in blood of Brazilian athletes that were submitted to constant physical exercise, at Laboratório de Bioquímica do Exercício (LABEX/UNICAMP) using Neutron Activation Analyses technique (NAA). The blood samples were collected from male amateurs and elite athletes, ranging from 18 to 36 years old. The blood samples were irradiated in the nuclear reactor (IEA-R1, 3–4.5 MW, pool type) at IPEN/São Paulo-Brazil. The concentrations data were compared with the control group (subjects of same gender and age but not involved with physical activities). These data can be useful for evaluating the performance of endurance athletes during the period of competition preparation as well as to propose new evaluation of protocols not yet reported.

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Acknowledgments

The authors would like to acknowledge the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and Instituto de Pesquisas Energéticas e Nucleares (IPEN) for the financial support.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), Av. Professor Lineu Prestes 2242, São Paulo, SP, 05508-000, Brazil

    L. Kovacs & C. B. Zamboni

  2. Laboratório de Bioquímica do Exercício (LABEX), Universidade Estadual de Campinas, UNICAMP, Cidade Universitária 13083-970, Campinas, SP, Caixa-Postal: 6109, Brazil

    L. A. S. Nunes, T. F. Lourenço & D. V. Macedo

Authors
  1. L. Kovacs
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  2. C. B. Zamboni
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  3. L. A. S. Nunes
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  4. T. F. Lourenço
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  5. D. V. Macedo
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Correspondence to L. Kovacs.

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Kovacs, L., Zamboni, C.B., Nunes, L.A.S. et al. Concentrations of ions and metals in blood of amateur and elite runners using NAA. J Radioanal Nucl Chem 297, 393–398 (2013). https://doi.org/10.1007/s10967-012-2382-x

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  • DOI: https://doi.org/10.1007/s10967-012-2382-x

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