All Stories

  1. Zn2+ doped ormosil–phosphotungstate hybrid films with enhanced photochromic response

    Article • Journal of Sol-Gel Science and Technology, June 2014, Springer Science + Business Media

    Professor UBIRAJARA Pereira Rodrigues-Filho

  2. Thermal Transformations and Proton Species in 12-Phosphotungstic Acid Hexahydrate Studied by 1H and 31P Solid-State Nuclear Magnetic Resonance

    Article • The Journal of Physical Chemistry C, May 2014, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  3. Efficient green synthesis of bis(cyclic carbonate)poly(dimethylsiloxane) derivative using CO2 addition: a novel precursor for synthesis of urethanes

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor UBIRAJARA Pereira Rodrigues-Filho

  4. Improvement on direct ethanol fuel cell performance by using doped-Nafion® 117 membranes with Pt and Pt–Ru nanoparticles

    Article • International Journal of Hydrogen Energy, September 2013, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  5. Photoactive layer-by-layer films of cellulose phosphate and titanium dioxide containing phosphotungstic acid

    Article • Applied Surface Science, July 2013, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  6. Surface structure and reactivity study of phosphotungstic acid-nitrogenated ormosils

    Article • Journal of Sol-Gel Science and Technology, March 2013, Springer Science + Business Media

    Professor UBIRAJARA Pereira Rodrigues-Filho

  7. Immobilization of marine fungi on silica gel, silica xerogel and chitosan for biocatalytic reduction of ketones

    Article • Journal of Molecular Catalysis B Enzymatic, December 2012, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  8. Poly(imide)/Organically-Modified Montmorillonite Nanocomposite as a Potential Membrane for Alkaline Fuel Cells

    Article • Membranes, July 2012, MDPI AG

    Professor UBIRAJARA Pereira Rodrigues-Filho

  9. Self-assembled hybrid films of phosphotungstic acid and aminoalkoxysilanes on SiO2/Si surfaces

    Article • Thin Solid Films, February 2012, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  10. The ethanol electrooxidation at Pt layers deposited on polycrystalline Au

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Mauricio Prieto, Professor UBIRAJARA Pereira Rodrigues-Filho

  11. Contactless conductivity biosensor in microchip containing folic acid as bioreceptor

    Article • Lab on a Chip, January 2012, Royal Society of Chemistry

    Professor UBIRAJARA Pereira Rodrigues-Filho, Professor Emanuel Carrilho

  12. Shellac and Hydroxyapatitte Coatings on Titanium Niobium and AISI 316L Steel Surfaces Produced by Dip-Coating

    Article • January 2012, The Electrochemical Society

    Professor UBIRAJARA Pereira Rodrigues-Filho

  13. Heat induced formation of free radicals in wheat flour

    Article • Journal of Cereal Science, November 2011, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  14. Axial ligand influence on geometries, charge distributions and electronic structures of iron tetraazamacrocycle [Fe(II)TIM(X)(Y)]2+ complexes assessed by Density Functional Theory

    Article • Polyhedron, May 2011, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  15. Local Structure and Photochromic Response in Ormosils Containing Dodecatungstophosphoric Acid

    Article • Chemistry of Materials, January 2011, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  16. SEM, EPR and ToF-SIMS analyses applied to unravel the technology employed for pottery-making by pre-colonial Indian tribes from Pantanal, Brazil

    Article • Journal of Archaeological Science, September 2010, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  17. Strategies to Optimize Biosensors Based on Impedance Spectroscopy to Detect Phytic Acid Using Layer-by-Layer Films

    Article • Analytical Chemistry, March 2010, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho, PROF. HENRIQUE LEONEL GOMES

  18. Preparação de membranas de acetato de celulose organomodificadas para adsorção dos íons Cu(II), Cd(II), Mn(II) e Ni(II)

    Article • Química Nova, January 2010, FapUNIFESP (SciELO)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  19. Obtaining high purity silica from rice hulls

    Article • Química Nova, January 2010, FapUNIFESP (SciELO)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  20. Immobilization of cholesterol oxidase in LbL films and detection of cholesterol using ac measurements

    Article • Materials Science and Engineering C, March 2009, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  21. Phytase immobilization on modified electrodes for amperometric biosensing

    Article • Sensors and Actuators B Chemical, April 2008, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  22. Immobilization of uricase in layer-by-layer films used in amperometric biosensors for uric acid

    Article • Journal of Solid State Electrochemistry, April 2007, Springer Science + Business Media

    Professor UBIRAJARA Pereira Rodrigues-Filho

  23. A regenerable ruthenium tetraammine nitrosyl complex immobilized on a modified silica gel surface: Preparation and studies of nitric oxide release and nitrite-to-NO conversion

    Article • Journal of Colloid and Interface Science, March 2007, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  24. Estudo da labilidade de Cu(II), Cd(II), Mn(II) e Ni(II) em substâncias húmicas aquáticas utilizando-se membranas celulósicas organomodificadas

    Article • Química Nova, February 2007, FapUNIFESP (SciELO)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  25. A formação do pós-graduando em química para a docência em nível superior

    Article • Química Nova, December 2006, FapUNIFESP (SciELO)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  26. Fabrication of Phytic Acid Sensor Based on Mixed Phytase−Lipid Langmuir−Blodgett Films

    Article • Langmuir, September 2006, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  27. Design of an NO photoinduced releaser xerogel based on the controlled nitric oxide donor trans-[Ru(NO)Cl(cyclam)](PF6)2 (cyclam=1,4,8,11-tetraazacyclotetradecane)

    Article • Journal of Colloid and Interface Science, August 2006, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  28. P163. A regenerable ruthenium tetraammine nitrosyl complex grafted onto modified silica-gel surface: Preparation and studies of nitric oxide release and nitrite to NO conversion

    Article • Nitric Oxide, June 2006, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  29. Sequestered carbon on clay mineral probed by electron paramagnetic resonance and X-ray photoelectron spectroscopy

    Article • Journal of Colloid and Interface Science, March 2006, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  30. Adsorption of silanes bearing nitrogenated Lewis bases on SiO2/Si (100) model surfaces

    Article • Journal of Colloid and Interface Science, June 2005, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  31. In situ FT-IR and ex situ EPR analysis for the study of the electroreduction of carbon dioxide in N,N-dimethylformamide on a gold interface

    Article • Journal of Electroanalytical Chemistry, April 2005, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  32. X-ray photoemission spectroscopy and secondary-ion mass spectroscopy applied to the compositional study of pre-colonial pottery from Pantanal, Brazil

    Article • The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics, November 2004, Taylor & Francis

    Professor UBIRAJARA Pereira Rodrigues-Filho

  33. Activation of Carbon Dioxide by Bicyclic Amidines

    Article • The Journal of Organic Chemistry, October 2004, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  34. XPS analysis of electronic density of iron tetraazamacrocycle through Fe 2p binding energies on the 3‐imidazolilpropyl‐modified surface of oxidized n‐Si(100)

    Article • Surface and Interface Analysis, August 2004, Wiley

    Professor UBIRAJARA Pereira Rodrigues-Filho

  35. Efficient and Clean Synthesis of N‐Alkyl Carbamates by Transcarboxylation and O‐Alkylation Coupled Reactions Using a DBU—CO2 Zwitterionic Carbamic Complex in Aprotic Polar Media.

    Article • ChemInform, September 2002, Wiley

    Professor UBIRAJARA Pereira Rodrigues-Filho

  36. Micro‐ and nanocomposites of Keggin heteropolymetalates in cellulose esters

    Article • Surface and Interface Analysis, August 2002, Wiley

    Professor UBIRAJARA Pereira Rodrigues-Filho, Abner de Siervo

  37. Efficient and clean synthesis of N-alkyl carbamates by transcarboxylation and O-alkylation coupled reactions using a DBU–CO2 zwitterionic carbamic complex in aprotic polar media

    Article • Tetrahedron Letters, May 2002, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  38. Surface chemistry of the iron tetraazamacrocycle on the aminopropyl‐modified surface of oxidized n‐Si(100) by AFM and XPS

    Article • Surface and Interface Analysis, March 2002, Wiley

    Professor UBIRAJARA Pereira Rodrigues-Filho

  39. THE CYANIDE PHOTOISOMERIZATION IN ZINC HEXACYANOFERRATE (II) SUPPORTED ON TITANIUM DIOXIDE-SILICA GEL COMPOSITE: A MATRIX EFFECT

    Article • Journal of Coordination Chemistry, November 2001, Taylor & Francis

    Professor UBIRAJARA Pereira Rodrigues-Filho

  40. Spectroscopic and electrochemical study of [Ru(NH3)5OH2]3+, [Ru(NH3)5Cl]2+, and [Os(NH3)5OH2]3+ immobilized on thin film of Ti(IV) oxide dispersed on the silica gel surface

    Article • Polyhedron, November 2000, Elsevier

    Professor UBIRAJARA Pereira Rodrigues-Filho

  41. Composite Membranes of Cellulose Acetate and Zirconium Dioxide:  Preparation and Study of Physicochemical Characteristics

    Article • Chemistry of Materials, January 1996, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  42. Highly dispersed titanium(IV) oxide on α‐cellulose surface: An XPS, SEM, and XRD study

    Article • Journal of Applied Polymer Science, December 1995, Wiley

    Professor UBIRAJARA Pereira Rodrigues-Filho

  43. Zirconium Dioxide Supported on .alpha.-Cellulose: Synthesis and Characterization

    Article • Langmuir, November 1994, American Chemical Society (ACS)

    Professor UBIRAJARA Pereira Rodrigues-Filho

  44. Pentacyanoferrates(II) on the surface of organomodified silica gel: The matrix effect

    Article • Structural Chemistry, April 1994, Springer Science + Business Media

    Professor UBIRAJARA Pereira Rodrigues-Filho