DALTON GIOVANNI NOGUEIRA DA SILVA
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Artigo IPEN-doc 25904 Sodium analysis in sweeteners by neutron activation analyses technique2019 - MEDEIROS, I.M.M.A.; ZAMBONI, C.B.; GIOVANNI, D.N.S.; MEDEIROS, J.A.G.Evaluation of Sodium in sweeteners is important in nutritional investigations and for consumers: excessive sodium consumption is one of the major risk factors, responsible for hypertension and cardiovascular diseases. In this study, twelve brands acquired in markets of São Paulo city were analysed by Instrumental Neutron Activation Analyses technique (INAA). The aim was to verify compliance with ANVISA recommendation in relation to sodium level. The results were compared with the amounts recommended and with the tolerable intake limit (< 0.4 g/kg). The sodium concentration in sweeteners samples showed low content for most of the brands. The results shown that for the general population, it is not risk.Artigo IPEN-doc 25900 Ions concentration in blood samples of SJL/J dystrophic mice strains using X-ray fluorescence spectrometry2019 - GIOVANNI, D.N.S.; ALMEIDA, M.R.; ZAMBONI, C.B.; METAIRON, S.; BALDUINO, K.N.; SUZUKI, M.F.; BUENO JUNIOR, C.R.Star This study proposes an investigation of ions in whole blood of the dystrophic animal model SJL/J (mice strain with dysferlin protein deficiency) and in the control group (C57BL/6J) using the Energy Dispersive X-ray Fluorescence (EDXRF) spectrometry technique. The comparison between control and dystrophic mice results shown an increase in blood for P, S, K and Fe (p < 0.05) while a decrease in Ca (p < 0.05). This elemental analysis will contribute to evaluate the best diagnostic, care and treatment procedures, for the Progressive Muscular Dystrophy.Artigo IPEN-doc 25899 Sulfur status in judo athletes by XRF2019 - ALMEIDA, M.R.; ZAMBONI, C.B.; GIOVANNI, D.N.S.; AZEVEDO, M.R.A.The human biomonitoring, measurement of chemical and/or their metabolites in human fluids, is an important tool for assessing the health condition of subjects, included athletes. In this study, sulfur levels were investigated in blood of judo athletes using Energy Dispersive X-ray Fluorescence (EDXRF) technique. Twenty athletes participated of this study. Two groups of athletes were selected: judo with a balanced diet with multivitamin/mineral supplements consumption and judo with diet not controlled. These data were compared with the control group (subjects of the same age but not involved with physical activities). There was a significant increase of S levels in athletes with diet not controlled. These data can be useful to a well-planned nutritional proposition that can contribute to better performance of athletes.