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  1. No Access

    Article

    Diallelic Analysis of Endogamic Maize Lines with Emphasis on Agronomic Traits of Tassel in Different Environments

    In maize breeding, diallel crosses are commonly used to identify superior combinations. This methodology aims to estimate the genotypes combining ability. The objective of this study was to quantify the genera...

    D. Barreta, M. Nardino, V. A. Konflanz… in Journal of Crop Science and Biotechnology (2019)

  2. No Access

    Article

    Comparison of magnetic properties and high-temperature phase stability of phosphate- and oleic acid-capped iron oxide nanoparticles

    We study the influence of dynamic cap** of Fe3O4 nanoparticles with phosphate and oleic acid, on their structure, magnetic properties and thermal stability of magnetic nanoparticles. It is observed that the pho...

    T. Muthukumaran, S. S. Pati, L. H. Singh, A. C. de Oliveira… in Applied Nanoscience (2018)

  3. No Access

    Article

    Mössbauer spectroscopy control of the preparation of citric- and mandelic acid functionalized nanomagnetites

    Iron-oxide nanoparticles were prepared by two ways of chemical methods when the coprecipitated nanomagnetites were functionalized by different (citric and mandelic) carboxylic acids. The colloid samples were c...

    A. Lengyel, V. K. Garg, A. C. de Oliveira, S. W. da Silva… in Hyperfine Interactions (2018)

  4. No Access

    Article

    Mössbauer study of pH dependence of iron-intercalation in montmorillonite

    57Fe Mössbauer spectroscopy and XRD have successfully been applied to show the incorporation of Fe ion into the interlayer space of montmorillonite via treatment with FeCl 3 in acetone. T...

    E. Kuzmann, V. K. Garg, H. Singh, A. C. de Oliveira, S. S. Pati… in Hyperfine Interactions (2016)

  5. No Access

    Article

    Mössbauer study of the effect of rare earth substitution into montmorillonite

    Novel montmorillonites were prepared by the exchange of the interlayer cations with a series of rare earth cations (La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Ho, and Er) and characterized by XRD, XRF, SEM, chemical anal...

    E. Kuzmann, L. H. Singh, V. K. Garg, A. C. de Oliveira… in Hyperfine Interactions (2016)

  6. No Access

    Article

    119Sn CEMS study of Sb doped SnO2 film

    Sb doped SnO2 films prepared by DC sputtering and heating were characterized by 119Sn conversion electron Mössbauer spectrometry (CEMS). An asymmetric doublet was observed in the Mössbauer spectra of 1 %, 3 %, an...

    K. Nomura, E. Kuzmann, V. K. Garg, A. C. de Oliveira… in Hyperfine Interactions (2016)

  7. Article

    Open Access

    Treatment of advanced hepatocellular carcinoma with very low levels of amplitude-modulated electromagnetic fields

    Therapeutic options for patients with advanced hepatocellular carcinoma (HCC) are limited. There is emerging evidence that the growth of cancer cells may be altered by very low levels of electromagnetic fields...

    F P Costa, A C de Oliveira, R Meirelles, M C C Machado… in British Journal of Cancer (2011)

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  8. No Access

    Article

    Oxygen evolution rate of rice cultivars

    Under natural conditions we found a significant variation in oxygen evolution rate (OER) in flag leaves of different rice genotypes during the grain filling stage. Cv. Roxinho showed the highest OER [42 µmol(O2) ...

    M. A. Bacarin, A. R. Falqueto, J. L. Meirelles Coimbra… in Photosynthetica (2008)

  9. No Access

    Article

    Downregulation of TNF-α and VEGF expression by Sp1 decoy oligodeoxynucleotides in mouse melanoma tumor

    Melanoma tumor growth and progression are highly dependent on adequate blood supply through angiogenesis. Since several genes involved in angiogenesis revealed potential binding sites for the transcription fac...

    E M Novak, M Metzger, R Chammas, M da Costa, K Dantas, C Manabe, J Pires… in Gene Therapy (2003)

  10. No Access

    Article

    Mössbauer Study of Sedimentary Rocks from King George Island, Antarctica

    The separation of continents at the periphery of Antarctica occurred about 180 ma ago due to volcanic activity. Geological faults can be very important in the study of geological occurrences. Such geological f...

    E. Kuzmann, P. A. de Souza Jr., L. A. Schuch, A. C. de Oliveira… in Hyperfine Interactions (2002)

  11. No Access

    Article

    Effects of Heavy Ion Irradiation on Short-Range Order of Fe–Cr–P–C Amorphous Alloys Investigated by Mössbauer and DSC Measurements

    Rapidly quenched Fe–Cr–P–C amorphous alloys irradiated with 209 MeV energy 84Kr ions were investigated by Mössbauer spectroscopy, X-ray diffraction, and differential scanning calorimetry measurements. Significant...

    E. Kuzmann, I. Virág, L. Pöppl, K. Havancsák, Z. Klencsár… in Hyperfine Interactions (2002)

  12. No Access

    Chapter and Conference Paper

    Mössbauer Study of Brazilian Emeralds

    Emerald samples from two different locations in Brazil have been analyzed using transmission 57Fe Mössbauer spectroscopy, X-ray diffraction, electron microprobe analysis and optical methods. Mössbauer spectra wer...

    E. Kuzmann, V. K. Garg, A. C. de Oliveira, G. C. B. Braga… in Hyperfine Interactions (C) (2002)

  13. No Access

    Chapter and Conference Paper

    Effects of Heavy Ion Irradiation on Short-Range Order of Fe-Cr-P-C Amorphous Alloys Investigated by Mössbauer and DSC Measurements

    Rapidly quenched Fe-Cr-P-C amorphous alloys irradiated with 209 MeV energy 84Kr ions were investigated by Mössbauer spectroscopy, X-ray diffraction, and differential scanning calorimetry measurements. Significant...

    E. Kuzmann, I. Virág, L. Pöppl, K. Havancsák… in Industrial Applications of the Mössbauer E… (2002)

  14. No Access

    Chapter and Conference Paper

    Energetic Heavy Ion Radiation Effect in Brazilian Emeralds

    Emerald samples, originating from Goiás, Brazil, containing a significant portion of Fe3+ beside Fe2+ were irradiated with 209 MeV 89Kr ions in order to study the effect of irradiation on the valence state of iro...

    E. Kuzmann, V. K. Garg, A. C. de Oliveira, G. C. B. Braga… in Hyperfine Interactions (C) (2002)

  15. No Access

    Article

    Mössbauer Spectroscopy and Radiofrequency Absorption Investigations of Pr Substituted 1-2-3 Type Compounds

    57Fe and 151Eu Mössbauer spectroscopy as well as RF susceptibility measurements were applied to study the effects of Pr substitution either into the rare earth or into the Ba site in Eu1−x Pr x

    E. Kuzmann, Z. Klencsár, Z. Homonnay… in Journal of Radioanalytical and Nuclear Che… (2000)

  16. No Access

    Article

    Mössbauer Investigation of Characteristic Distribution of Iron Oxides in Sediments from the Antarctica

    Sediments from the Admiralty Bay, King George Island, Antarctica, were investigated by 57Fe Mössbauer spectroscopy, X-ray diffractometry, and radiometry. Quartz, feldspar, chlorite, calcite, dolomite, mica, kaoli...

    E. Kuzmann, V. K. Garg… in Journal of Radioanalytical and Nuclear Che… (2000)