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determination of Essential (Ca, Fe, I, K, Mo) and Toxic Elements (Hg, Pb) in Brazilian Rice Grains and Estimation of Reference Daily Intake

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Food and Nutrition Sciences 2012年第1期3卷 129-134页

作者： Bruno Lemos Batista Letícia Ramos Nacano Rodolfo de freitas vanessa Cristina de Oliveira-Souza Fernando Barbosa 不详

The levels of Hg and Pb (toxic elements) and Ca, Fe, I, K, Mo (essential elements) were measured in 44 Brazilian rice samples divided among white polished (W), parboiled white (PW) and parboiled brown (PB). Rice grains were ana- lyzed by inductively coupled plasma mass spectrometry (ICP-MS). Concentrations of toxic elements varied from 0.3 to 13.4 and 0.4 to 14.5 ng?g–1 for Hg and Pb, respectively. The values for essential elements were in the same range of those for rice produced in other countries. In general parboiled samples presented higher levels of all elements in study compared to white samples. The Estimated Daily Intake through rice consumption was 0.44 μg for Pb, 0.22 μg for Hg, 0.65 μg for I, 39.5 μg for Mo, 0.43 mg for Fe, 4.1 mg for Ca and 88.9 mg for K. Our findings demonstrated that rice can contribute significantly to the RDIs of molybdenum and potassium, but it can not be considered an important source of I, Fe and Ca. Moreover, the estimated

关键词： Rice Trace Metals ICP-MS Daily Intake

Anemia as a Predictor of Mortality in Patients with decompensated Heart Failure

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Journal of Pharmacy and Pharmacology 2018年第5期6卷 481-487页

作者： Paulo Atila da Silva Viana vanessa Tavares Aragao Esther Carneiro Vasconeelos Bianca Ratts freitas dos Santos Joaquim David Carneiro Neto Leandro Cordeiro Portela Jose Antonio de Lima Neto Medical-Academic League of Cardiology of Sobral Federal University of Ceara Sobral 62.010-560 Brazil Hospital of the Heart of Sobral Santa Casa de Misericordia de Sobral 62.041-380 Brazil

Objective： To correlate file presence of anemia with mortality in hospitalized patients with decompensated HF （heart failure）. Methods： A total of 148 patients hospitalized for HF compensation were analyzed from April 1 to december 31, 2017 in a tertiary referral hospital for cardiovascular diseases. The diagnosis of anemia was established according to the Brazilian Ministry of Health criteria, considering a serum hemoglobin value of 〈 13 g/alL for men and 〈 12 g/dL for women. Data were collected through medical and physical attendance records. Statistical analysis was performed using the Epi Info program, version 7.0 for Windows, with Student＇ s t test for unpaired variables, Chi-square test and Fischer test. The significance ofp 〈 0.05 was considered. Results： Of the 148 selected patients, 63.5% were male, 60.1% were over 65 years old, 50.74% were enrolled in the first grade, and 93.2% were self-declared white. The prevalence of anemia observed in the study population was 72 （56.25%）, of which 49 （68%） were male and 23 （32%） were female. The mortality rate of the anemic patients was 19.4%, a total of 14 patients, whereas the non-anemic patients rate was 7.9%. It was observed that patients with worse outcome had hemoglobin 〈 12rag/alL （p = 0.045） and Functional Class （FC IV） by the New York Heart Association （NYHA）（p = 0.0001） at hospital admission. Conclusions： It is noticed that anemia is a frequent finding in patients with HF and that it interferes in the clinical manifestations, with worsening of the prognosis. Anemia treatment is not yet standarized in the HF approach, but patients without anemia appear to evolve with more favorable outcomes than anemia.

关键词： HF descompensated HF anemia mortality prognosis.

Study of Cobalt Electrodeposition onto Stainless Steel Using Electrochemical Impedance Spectroscopy （IES）

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Journal of Physical Science and Application 2012年第10期2卷 409-413页

作者： Eric Marsalha Garcia Tulio Matencio Rozana Zacarias Domingues Luana Marsalha Garcia Jacqueline Amanda Figueiredo dos Santos Narjara Ribeiro Hosane Aparacida Tar6ca vanessa de freitas Cunha Lins department of Chemistry Federal University of Minas Gerais LAMPAC Belo Horizonte-MG 221-8686 Brazil Federal University of Sao Jo6o del Rei/Campus Sete Lagoas Sete Lagoas-MG 221-8686 Brazil department of Chemistry Engineering Federal University of Minas Gerais Belo Horizonte-MG 221-8686 Brazil

This paper describes the study of cobalt growth mechanism obtained by electrodeposition method with variation of pH solution. The electrochemical impedance spectroscopy （EIS） and scanning electronic microscopy （SEM） results were possible conclude that the cobalt electrodeposited at pH = 5.40 presented approximately an area three times larger than the cobalt electrodeposited at pH = 2.70. In addition, the cobalt electrodeposited at pH = 2.70 had a value of charge transfer resistance equal to 151.6 f2＂cm2 and the cobalt electrodeposited at pH = 5.40 this value corresponds to 67.4 f2＇cm. This occurs because the increased in micro-porosity increase the diffusion of electrolyte on cobalt electrodeposits easily the corrosion process.

关键词： Cobalt electrodeposition electrochemical impedance spectroscopy.

determination of Essential (Ca, Fe, I, K, Mo) and Toxic Elements (Hg, Pb) in Brazilian Rice Grains and Estimation of Reference Daily Intake

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