Jairton Dupont

Summary

Affiliation: Porto Alegre
Country: Brazil

Publications

  1. doi request reprint Controlled synthesis of Mn3O4 nanoparticles in ionic liquids
    Roberta Bussamara
    Laboratório de Catálise Molecular LCM, Instituto de Quimica, Universidade Federal do Rio Grande do Sul UFRGS, P O Box 15003, 91501 970, Porto Alegre, RS, Brazil
    Dalton Trans 42:14473-9. 2013
  2. ncbi request reprint On the structural and surface properties of transition-metal nanoparticles in ionic liquids
    Jairton Dupont
    Laboratory of Molecular Catalysis, Institute of Chemistry, UFRGS, , 9500 Porto Alegre 91501 970 RS, Brazil
    Chem Soc Rev 39:1780-804. 2010
  3. ncbi request reprint From alumina nanopores to nanotubes: dependence on the geometry of anodization system
    Adriano F Feil
    Instituto de Fisica, Universidade Federal do Rio Grande do Sul, UFRGS, Av Bento Goncalves 9500, PO Box 15051, 91501 970, Porto Alegre, RS, Brazil
    J Nanosci Nanotechnol 11:2330-5. 2011
  4. doi request reprint Sputtering deposition of magnetic Ni nanoparticles directly onto an enzyme surface: a novel method to obtain a magnetic biocatalyst
    Roberta Bussamara
    Instituto de Química UFRGS, Av Bento Goncalves 9500, 91501 970, Porto Alegre, RS, Brazil
    Chem Commun (Camb) 49:1273-5. 2013
  5. ncbi request reprint On the formation of anisotropic gold nanoparticles by sputtering onto a nitrile functionalised ionic liquid
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas L3Fnano, Instituto de Fisica, Av Bento Goncalves 9500, P O Box 15051, 91501 970, UFRGS, Porto Alegre, Brazil
    Phys Chem Chem Phys 13:13552-7. 2011
  6. doi request reprint Imidazolium ionic liquids as promoters and stabilising agents for the preparation of metal(0) nanoparticles by reduction and decomposition of organometallic complexes
    Martin H G Prechtl
    Laboratory of Molecular Catalysis, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Av Bento Goncalves 9500, 91501 970, Porto Alegre, RS, Brazil
    Nanoscale 2:2601-6. 2010
  7. ncbi request reprint Antimicrobial membrane cellulose acetate containing ionic liquid and metal nanoparticles
    Carla W Scheeren
    Institute of Chemistry, UFRGS, Av Bento Goncalves, 9500, 91501 970, PO Box 15003 Porto Alegre RS, Brazil
    J Nanosci Nanotechnol 11:5114-22. 2011
  8. doi request reprint Self-organized TiO2 nanotube arrays: synthesis by anodization in an ionic liquid and assessment of photocatalytic properties
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas L3Fnano, UFRGS, Instituto de Física, Av Bento Gonçalves, 9500, P O Box 15051, 91501 970, Porto Alegre, RS, Brazil
    ACS Appl Mater Interfaces 3:1359-65. 2011
  9. doi request reprint Synthesis of gold nanoparticles in a biocompatible fluid from sputtering deposition onto castor oil
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas, UFRGS, Instituto de Fisica, Av Bento Goncalves, 9500, P O Box 15051, 91501 970, Porto Alegre, RS, Brazil
    Chem Commun (Camb) 46:7019-21. 2010
  10. doi request reprint Synthesis of gold nanoparticles by laser ablation of an Au foil inside and outside ionic liquids
    Heberton Wender
    Instituto de Fisica, Universidade Federal do Rio Grande do Sul UFRGS, Porto Alegre, RS, Brazil
    Nanoscale 3:1240-5. 2011

Collaborators

  • Flavio A Pavan
  • Liane M Rossi
  • Clarissa M Czekster
  • Martin H G Prechtl
  • Heberton Wender
  • Sérgio R Teixeira
  • Pedro Migowski
  • Adriano F Feil
  • Roberta Bussamara
  • Giovanna Machado
  • Carla W Scheeren
  • Luciane F de Oliveira
  • Silvio L P Dias
  • Marcos A Gelesky
  • Alan Kauling
  • Flavia C C Oliveira
  • Jackson D Scholten
  • Jonder Morais
  • Dagoberto O Silva
  • Alexandre A M Lapis
  • Jorge L Brasil
  • Graciane Marin
  • Maximiliano J M Zapata
  • Hidde H Brongersma
  • Günter Ebeling
  • Dario Eberhardt
  • Ricardo M Papaléo
  • Agílio Pádua
  • Diogo P de Moraes
  • Miguel A Novak
  • Thomas Grehl
  • Wellington W M Melo
  • Camila S Ribeiro
  • Otávio Bianchi
  • Ricardo R B Correia
  • Daniel E Weibel
  • Renato F Jardim
  • Vanessa Hermes
  • Lívio Amaral
  • Marcelo H Sousa
  • Joel C Rubim
  • Rafael Leal
  • Plinho F Hertz
  • Pedro K Kiyohara
  • Leonardo B Diaz
  • Fernando B Effenberger
  • Guilherme J Machado
  • Marlla V da Costa
  • Marcos L Andreazza
  • Mario R Meneghetti
  • Elíseo Lissner
  • Lucas Foppa
  • Eduardo F Souza-Aguiar
  • Santos Ana C B Dos
  • Brenno A D Neto
  • Sergio R Texeira
  • Maria C M Alves
  • Agnès Traverse
  • Caciano P Zapata Noreña
  • Lucas C Martins
  • Ricardo R Ev
  • Araci A dos Santos
  • Eder C Lima
  • Caroline D Milcharek

Detail Information

Publications20

  1. doi request reprint Controlled synthesis of Mn3O4 nanoparticles in ionic liquids
    Roberta Bussamara
    Laboratório de Catálise Molecular LCM, Instituto de Quimica, Universidade Federal do Rio Grande do Sul UFRGS, P O Box 15003, 91501 970, Porto Alegre, RS, Brazil
    Dalton Trans 42:14473-9. 2013
    ..Our results demonstrate that reaction conditions such as time, and the nature of the ionic liquid play important roles in determining the size of Mn3O4 nanoparticles. ..
  2. ncbi request reprint On the structural and surface properties of transition-metal nanoparticles in ionic liquids
    Jairton Dupont
    Laboratory of Molecular Catalysis, Institute of Chemistry, UFRGS, , 9500 Porto Alegre 91501 970 RS, Brazil
    Chem Soc Rev 39:1780-804. 2010
    ....
  3. ncbi request reprint From alumina nanopores to nanotubes: dependence on the geometry of anodization system
    Adriano F Feil
    Instituto de Fisica, Universidade Federal do Rio Grande do Sul, UFRGS, Av Bento Goncalves 9500, PO Box 15051, 91501 970, Porto Alegre, RS, Brazil
    J Nanosci Nanotechnol 11:2330-5. 2011
    ..Electrode geometry can be used to combine mild and hard anodization with low temperature etching to tune the alumina morphology from 100% nanopores to 100% nanotubos coverage...
  4. doi request reprint Sputtering deposition of magnetic Ni nanoparticles directly onto an enzyme surface: a novel method to obtain a magnetic biocatalyst
    Roberta Bussamara
    Instituto de Química UFRGS, Av Bento Goncalves 9500, 91501 970, Porto Alegre, RS, Brazil
    Chem Commun (Camb) 49:1273-5. 2013
    ..This new technique provided high levels of recovery, reusability and catalytic activity for the lipase-Ni biocatalyst...
  5. ncbi request reprint On the formation of anisotropic gold nanoparticles by sputtering onto a nitrile functionalised ionic liquid
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas L3Fnano, Instituto de Fisica, Av Bento Goncalves 9500, P O Box 15051, 91501 970, UFRGS, Porto Alegre, Brazil
    Phys Chem Chem Phys 13:13552-7. 2011
    ....
  6. doi request reprint Imidazolium ionic liquids as promoters and stabilising agents for the preparation of metal(0) nanoparticles by reduction and decomposition of organometallic complexes
    Martin H G Prechtl
    Laboratory of Molecular Catalysis, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Av Bento Goncalves 9500, 91501 970, Porto Alegre, RS, Brazil
    Nanoscale 2:2601-6. 2010
    ..Depending on the case, the reduction/auto-decomposition is promoted by either the cation and/or anion of the neat imidazolium ILs...
  7. ncbi request reprint Antimicrobial membrane cellulose acetate containing ionic liquid and metal nanoparticles
    Carla W Scheeren
    Institute of Chemistry, UFRGS, Av Bento Goncalves, 9500, 91501 970, PO Box 15003 Porto Alegre RS, Brazil
    J Nanosci Nanotechnol 11:5114-22. 2011
    ..The CA/IL/nanoparticle combination enhanced the activity and durability of the metal nanoparticles and provided greater antimicrobial activity against E. coli and S. aureus bacteria...
  8. doi request reprint Self-organized TiO2 nanotube arrays: synthesis by anodization in an ionic liquid and assessment of photocatalytic properties
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas L3Fnano, UFRGS, Instituto de Física, Av Bento Gonçalves, 9500, P O Box 15051, 91501 970, Porto Alegre, RS, Brazil
    ACS Appl Mater Interfaces 3:1359-65. 2011
    ..The results show that the TiO(2) NTs obtained by anodization in EG/H(2)O/BMI.BF(4) electrolytes are active and efficient for both applications...
  9. doi request reprint Synthesis of gold nanoparticles in a biocompatible fluid from sputtering deposition onto castor oil
    Heberton Wender
    Laboratório de Filmes Finos e Fabricação de Nanoestruturas, UFRGS, Instituto de Fisica, Av Bento Goncalves, 9500, P O Box 15051, 91501 970, Porto Alegre, RS, Brazil
    Chem Commun (Camb) 46:7019-21. 2010
    ..4 to 3.8 nm. The AuNP size increases with the discharge voltage and the mechanism of nucleation and growth are related to the energy of the atoms/clusters ejected from the target...
  10. doi request reprint Synthesis of gold nanoparticles by laser ablation of an Au foil inside and outside ionic liquids
    Heberton Wender
    Instituto de Fisica, Universidade Federal do Rio Grande do Sul UFRGS, Porto Alegre, RS, Brazil
    Nanoscale 3:1240-5. 2011
    ..e., at the IL surface or within the IL. Indeed, the chemical composition of the IL/air interface and surface ion orientation played important roles in the stabilization of the AuNPs formed by laser ablation outside the ILs...
  11. doi request reprint Metal nanoparticle/ionic liquid/cellulose: new catalytically active membrane materials for hydrogenation reactions
    Marcos A Gelesky
    Institute of Chemistry, UFRGS, Porto Alegre, RS, Brazil
    Biomacromolecules 10:1888-93. 2009
    ..The nanoparticle/IL/cellulose acetate film membranes display higher catalytic activity (up to 7353 h(-1) for the 20 μm film of CA/IL/Pt(0)) and stability than the nanoparticles dispersed only in the IL...
  12. ncbi request reprint The potential of palladacycles: more than just precatalysts
    Jairton Dupont
    Laboratory of Molecular Catalysis, Institute of Chemistry, UFRGS, Porto Alegre, Brazil
    Chem Rev 105:2527-71. 2005
  13. doi request reprint Carbon-carbon cross coupling reactions in ionic liquids catalysed by palladium metal nanoparticles
    Martin H G Prechtl
    Laboratory of Molecular Catalysis, Universidade Federal do Rio Grande do Sul, Avenida Bento Goncalves 9500, 91501 970 Porto Alegre RS, Brazil
    Molecules 15:3441-61. 2010
    ....
  14. doi request reprint Steady-state kinetics of indole-3-glycerol phosphate synthase from Mycobacterium tuberculosis
    Clarissa M Czekster
    Centro de Pesquisas em Biologia Molecular e Funcional, Instituto de Ciência e Tecnologia em Tuberculose, Pontificia Universidade Catolica do Rio Grande do Sul, 6681 92A Ipiranga Av, 90619 900 Porto Alegre, RS, Brazil
    Arch Biochem Biophys 486:19-26. 2009
    ..A model to describe a steady-state kinetic sequence for MtIGPS-catalized chemical reaction is proposed...
  15. doi request reprint Catalytic gas-to-liquid processing using cobalt nanoparticles dispersed in imidazolium ionic liquids
    Dagoberto O Silva
    Laboratory of Molecular Catalysis, Institute of Chemistry, UFRGS, 9500 Porto Alegre, RS, Brazil
    ChemSusChem 1:291-4. 2008
  16. doi request reprint Ionic liquid supported acid/base-catalyzed production of biodiesel
    Alexandre A M Lapis
    Laboratory of Molecular Catalysis, Institute of Chemistry UFRGS, Av Bento Goncalves, 9500 Porto Alegre 91501 970 RS, Brazil
    ChemSusChem 1:759-62. 2008
    ..Classical ionic liquids such as 1-n-butyl-3-methylimidazolium tetrafluoroborate and hexafluorophosphate are not stable under these acidic or basic conditions and decompose...
  17. doi request reprint Ionic liquids as recycling solvents for the synthesis of magnetic nanoparticles
    Flavia C C Oliveira
    Instituto de Quimica, Universidade de Brasilia, CP 04478, 70904 970, Brasilia, DF, Brazil
    Phys Chem Chem Phys 13:13558-64. 2011
    ..Besides the influence on the nanoparticles growth, which is important for the preparation of highly crystalline MNPs, the IL was easily recycled and has been used in at least 20 successive syntheses...
  18. ncbi request reprint Synthesis and characterization of nickel nanoparticles dispersed in imidazolium ionic liquids
    Pedro Migowski
    Laboratory of Molecular Catalysis, Instituto de Química UFRGS, P O Box 15003, Porto Alegre, 91501 970, RS Brazil
    Phys Chem Chem Phys 9:4814-21. 2007
    ..The Ni nanoparticles dispersed in the ionic liquids are active catalysts for the hydrogenation of olefins under relatively mild reaction conditions...
  19. doi request reprint Surface composition/organization of ionic liquids with Au nanoparticles revealed by high-sensitivity low-energy ion scattering
    Alan Kauling
    Instituto de Quimica, Universidade Federal do Rio Grande do Sul UFRGS, Post Office Box 15003, Avenida Bento Gonçalves, 9500 Porto Alegre, Rio Grande do Sul, Brazil
    Langmuir 29:14301-6. 2013
    ....
  20. ncbi request reprint Statistical design of experiments as a tool for optimizing the batch conditions to Cr(VI) biosorption on Araucaria angustifolia wastes
    Jorge L Brasil
    Instituto de Quimica, Universidade Federal do Rio Grande do Sul, Caixa Postal, Porto Alegre, RS, Brazil
    J Hazard Mater 133:143-53. 2006
    ..05 mg l(-1) Cr(VI) using 5550 ml of the metallic ion solution. In these conditions, the biosorbent was able to remove completely Cr(VI) from aqueous solution with a ratio of Cr(VI) effluent volume/biosorbent volume of 252.3...