Search Results - "Vieira, J. L. F."

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  1. 1

    Level function levels and oxidative stress markers in patients with multidrug-resistant tuberculosis in the Brazilian Amazon by Sales, C A, Pinto-Silva, M C F, Bardález-Rivera, J G, Abreu-Alberio, C A, Sena, L W P, Vieira, J L F

    Published in Brazilian journal of biology (2023)
    “…This study aimed to correlate the values of liver markers with oxidative stress markers in patients with multidrug-resistant tuberculosis in the Brazilian…”
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    Journal Article
  2. 2

    Mercury exposure and antioxidant defenses in women: A comparative study in the Amazon by Pinheiro, M.C.N., Macchi, B.M., Vieira, J.L.F., Oikawa, T., Amoras, W.W., Guimarães, G.A., Costa, C.A., Crespo-López, M.E., Herculano, A.M., Silveira, L.C.L., do Nascimento, J.L.M.

    Published in Environmental research (01-05-2008)
    “…Mercury is a hazardous metal that has become an important issue of environmental contamination in Amazon areas. Human intoxication by mercury causes sensory…”
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    Journal Article Conference Proceeding
  3. 3

    Mercury pollution and childhood in Amazon riverside villages by Pinheiro, M.C.N., Crespo-López, M.E., Vieira, J.L.F., Oikawa, T., Guimarães, G.A., Araújo, C.C., Amoras, W.W., Ribeiro, D.R., Herculano, A.M., do Nascimento, J.L.M., Silveira, L.C.L.

    Published in Environment international (2007)
    “…Mercury is a hazardous metal responsible for environmental contamination and human intoxication. Methylmercury, a very toxic organic compound, bioaccumulates…”
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    Journal Article
  4. 4

    Temporal Evolution of Exposure to Mercury in Riverside Communities in the Tapajós Basin, from 1994 to 2010 by Pinheiro, M. C. N., Farripas, S. S. M., Oikawa, T., Costa, C. A., Amoras, W. W., Vieira, J. L. F., Silveira, A. J. A., Lima, A. C. M., Souza, G. S., Silveira, L. C. L.

    “…Our objective was to evaluate the temporal evolution of mercury exposure in two riverside communities, Barreiras and São Luiz do Tapajós, downstream of gold…”
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    Journal Article
  5. 5

    Mercury Distribution in Organs of Two Species of Fish from Amazon Region by Vieira, J. L. F., Gomes, A. L. S., Santos, J. P. N., Lima, T. C. D., Freitas, J. A., Pinheiro, M. C. N.

    “…Total mercury concentrations were determined in muscle, liver and kidney of Cichlia ocellaris and Colossoma macropomum sampled at Tapajos and Carnapijo Rivers…”
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    Journal Article
  6. 6

    Mercury and selenium concentrations in hair samples of women in fertile age from Amazon riverside communities by Pinheiro, M.C.N., Müller, R.C.S., Sarkis, J.E., Vieira, J.L.F., Oikawa, T., Gomes, M.S.V., Guimarães, G.A., do Nascimento, J.L.M., Silveira, L.C.L.

    Published in The Science of the total environment (15-10-2005)
    “…The aim of the present study was to evaluate mercury and selenium concentrations in hair samples of reproductive age women from riverside communities of the…”
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    Journal Article
  7. 7

    Mercury toxicity in the Amazon: contrast sensitivity and color discrimination of subjects exposed to mercury by Rodrigues, A R, Souza, C R B, Braga, A M, Rodrigues, P S S, Silveira, A T, Damin, E T B, Côrtes, M I T, Castro, A J O, Mello, G A, Vieira, J L F, Pinheiro, M C N, Ventura, D F, Silveira, L C L

    “…We measured visual performance in achromatic and chromatic spatial tasks of mercury-exposed subjects and compared the results with norms obtained from healthy…”
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    Journal Article
  8. 8

    A high-performance ZVS full-bridge DC-DC 0-50-V/0-10-A power supply with phase-shift control by Brunoro, M., Vieira, J.L.F.

    Published in IEEE transactions on power electronics (01-05-1999)
    “…This paper presents a high-performance DC-DC switching mode power supply designed to deliver a regulated 0-50 V/0-10 A output. The proposed power supply is…”
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    Journal Article
  9. 9

    High-power-factor electronic ballast with constant DC-link voltage by de Oliveira Brioschi, R., Vieira, J.L.F.

    Published in IEEE transactions on power electronics (01-11-1998)
    “…This paper presents a high-power-factor (HPF) electronic ballast based on a single power processing stage with constant DC-link voltage. The switching…”
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    Journal Article
  10. 10

    High-power-factor electronic ballast operating in critical conduction mode by Co, M.A., Simonetti, S.L., Vieira, J.L.F.

    Published in IEEE transactions on power electronics (01-01-1998)
    “…A high-power factor (HPF) electronic ballast, which exhibits low switching losses, is presented in this paper. The proposed topology is based on a single…”
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    Journal Article
  11. 11

    Comparative study of human exposure to mercury in riverside communities in the Amazon region by Pinheiro, M C N, Oikawa, T, Vieira, J L F, Gomes, M S V, Guimarães, G A, Crespo-López, M E, Müller, R C S, Amoras, W W, Ribeiro, D R G, Rodrigues, A R, Côrtes, M I T, Silveira, L C L

    “…Four populations in the Amazon area were selected for a comparative study of mercury-exposed and non-exposed populations: São Luiz do Tapajós, Barreiras,…”
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    Journal Article
  12. 12

    Single stage self-oscillating HPF electronic ballast by Brumatti, M., Co, M.A., Simonetti, D.S.L., Vieira, J.L.F.

    Published in IEEE transactions on industry applications (01-05-2005)
    “…This paper presents a single-stage self-oscillating high-power-factor electronic ballast more suitable for both low power levels (because it operates in…”
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    Journal Article
  13. 13

    High-power-factor electronic ballast based on a single power processing stage by Co, M.A., Simonetti, D.S.I., Vieira, J.L.F.

    “…A new high-power-factor (HPF) electronic ballast is introduced in this paper. The proposed topology is based on a single power processing stage, and provides a…”
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    Journal Article
  14. 14

    A magnetically coupled regenerative turn-on and turn-off snubber configuration by Menegaz, P.J.M., Vieira, J.L.F., Simonetti, D.S.L.

    “…This paper presents a magnetically coupled regenerative turn-on and turn-off snubber configuration applied to a boost converter, which operates in continuous…”
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  15. 15
  16. 16

    Constant frequency PWM capacitor voltage-clamped series resonant power supply by Vieira, J.L.F., Barbi, I.

    Published in IEEE transactions on power electronics (01-04-1993)
    “…The authors propose a capacitor-voltage-clamped series-resonant converter, regulated at constant frequency by pulse-width modulation (PWM), that is suitable…”
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    Journal Article
  17. 17
  18. 18

    Power quality real-time Monitoring System for the new Brazilian standard by Colnago, G P, Vieira, J L F, Sousa, G C D, Macedo, J R

    “…This work deals with the development of a digital power quality meter to comply with the new standard which regulates the Power Quality requirements in Brazil…”
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    Conference Proceeding
  19. 19

    Real time power quality monitoring system according to new Brazilian regulation policies by Colnago, G P, Vieira, J L F, Sousa, G C D, Macedo, J R

    “…This work is about a developed and implemented power quality digital meter to comply with the new Brazilian standard to regulate the Power Quality in Brazil…”
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    Conference Proceeding