• Controlling the breakdown electric field in SnO2 based varistors by the insertion of SnO2 nanobelts 

  Masteghin, Mateus G. ; Varela, José A. ; Orlandi, Marcelo O. (Journal of the European Ceramic Society, 2017) [Artigo]

  Semiconducting metal oxides have many practical applications, including varistors. Varistors based on SnO2 exhibit both high nonlinear coefficients and high breakdown electric fields. In this work we present a facile means ...

• Effect of strontium doping on the structural, morphological, and dielectric properties of PZT ceramics 

  Silva, Margarete S.; Dias, Rafael G.; Souza, Eliane F.; Cilense, Mário ; Zaghete, Maria A. ; Cavalheiro, Alberto A. (Materials Science Forum, 2016) [Trabalho apresentado em evento]

  Strontium-modified lead zirconate titanate ceramics was prepared by the polymeric precursor method. The effect of Pb(II) substitution by Sr(II) in A site of the perovskite structure at molar percentages of 0.0, 0.2, 0.4 ...

• Corrosion behavior of Fe-Mn-Si-Cr-Ni-Co shape memory stainless steel in highly oxidizing medium 

  Della Rovere, C. A.; Silva, R.; Hammer, P. ; Otubo, J.; Kuri, S. E. (Materials Science Forum, 2016) [Trabalho apresentado em evento]

  A study was conducted on the corrosion behavior and characteristics of the passive oxide film of Fe-Mn-Si-Cr-Ni-(Co) shape memory stainless steels (SMSS) in a concentrated nitric acid (HNO3) solution, based on potentiodynamic ...

• Breast cancer detection using charge sensors coupled to DNA monolayer 

  Batistuti, Marina R.; Mulato, Marcelo; Bueno, Paulo R. (Materials Research Society Symposium Proceedings, 2015) [Trabalho apresentado em evento]

  We report the development of a label-free biosensors based on DNA hybridization, using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). This study uses DNA sequences based on microRNA related with ...

• Evaluation of antibacterial activity of chitosan membranes associated to unripe banana peel 

  Battaglini Franco, Patrícia; de Almeida, Leiliane Aparecida; Marques, Rodrigo Fernando Costa ; Brucha, Gunther; Campos, Maria Gabriela Nogueira (Materials Science Forum, 2016) [Trabalho apresentado em evento]

  The treatment of skin wounds is a worldwide problem due to possible complications of healing process, such as infections, sepsis and even death. Current treatment strategies involves the use of dressings, bandages and ...

• Assessments of the Effect of Increasingly Severe Cathodic Pretreatments on the Electrochemical Activity of Polycrystalline Boron-Doped Diamond Electrodes 

  Brocenschi, Ricardo F.; Hammer, Peter ; Deslouis, Claude; Rocha-Filho, Romeu C. (Analytical Chemistry, 2016) [Artigo]

  The electrochemical response of many redox species on boron-doped diamond (BDD) electrodes can be strongly dependent on the type of chemical termination on their surface, hydrogen (HT-BDD) or oxygen (OT-BDD). For instance, ...

• An outlook on electrochemical approaches for molecular diagnostics assays and discussions on the limitations of miniaturized technologies for point-of-care devices 

  Lopes, Laís C. ; Santos, Adriano ; Bueno, Paulo R. (Sensors and Actuators Reports, 2022) [Artigo]

  The detection of specific biomarkers for health monitoring, i.e., molecular diagnostics, can be classified as early or emergency diagnostics. Emergency diagnostics is related to those diseases which is necessary a rapid ...

• Passivation Level of AISI 316L Aseptic Tank Surface Quantified by On-Site Electrochemical Techniques 

  Guilhermea, Luis Henrique; Benedetti, Assis Vicente ; Fugivara, Cecílio Sadao ; Engelberg, Dirk (Materials Research, 2022) [Artigo]

  Frequently stainless steel AISI 316L aseptic tanks have their passivity and corrosion resistance properties degraded by biofilm formation and localized corrosion processes. Thereby, maintenance projects are performed to ...

• Correction to: A new approach on synergistic effect and chemical stability of graphene oxide-magnetic nanocomposite in the heterogeneous Fenton degradation of caffeine (Environmental Science and Pollution Research, (2021), 28, 39, (55014-55028), 10.1007/s11356-021-14714-8) 

  Ramirez-Ubillus, Manuel Alejandro ; de Melo Costa-Serge, Nayara ; Hammer, Peter ; Nogueira, Raquel Fernandes Pupo (Environmental Science and Pollution Research, 2022) [Errata]

  The original publication contains the incorrect Supplementary materials. The correct Supplementary materials is shown in this paper.

• Fingerprint of semi-crystalline structure memory in the thermal and ionic conduction properties of amorphous ureasil-polyether hybrid solid electrolytes 

  Palácio, Gustavo ; Pulcinelli, Sandra H. ; Santilli, Celso V. (RSC Advances, 2022) [Artigo]

  Correlations among the structure, thermal properties, and ionic conductivity of solid polymer electrolytes (SPEs) were studied using a ureasil-polyethylene oxide (U-PEO) organic-inorganic hybrid prepared according to a ...

• Nanostructured Poly(methyl Methacrylate)-Silica Coatings for Corrosion Protection of Reinforcing Steel 

  Uvida, Mayara Carla ; Trentin, Andressa ; Harb, Samarah Vargas ; Pulcinelli, Sandra Helena ; Santilli, Celso Valentim ; Hammer, Peter (ACS Applied Nano Materials, 2022) [Artigo]

  In the absence of preventive maintenance, corrosion of structural steel by the deterioration of the passive layer due to exposure to aggressive environments is the main failure factor of reinforced concrete. To overcome ...

• Quantum Mechanical Meaning of the Charge Transfer Resistance 

  Sánchez, Yuliana Pérez ; Santos, Adriano ; Bueno, Paulo Roberto (Journal of Physical Chemistry C, 2022) [Artigo]

  In a previous work on the quantum rate interpretation of the electron transfer occurring in heterogeneous electrochemical interfaces, we demonstrated that a quantum mechanical rate principle can be used to calculate the ...

• On the performance of self-organized TiO2 nanotubes@MnOx as supercapacitor: Influence of the heat treatment, cathodic treatment, water aging, and thermal oxides 

  Pinto, Thais T.; Núñez-de la Rosa, Yeison; Hammer, Peter ; Aquino, José M. (Electrochimica Acta, 2022) [Artigo]

  The performance of finely dispersed ε-MnO2 over two different self-organized TiO2 nanotubes (Ti/TiO2–NT) substrates used as template, heat-treated in muffle furnace and microwave oven, was assessed as supercapacitor before ...

• Amine functionalization of carbon nanotubes with solid urea using different plasma treatments 

  Tromm Steffen, Teresa; César Fontana, Luis; Hammer, Peter ; Becker, Daniela (Applied Surface Science, 2022) [Artigo]

  Carbon nanotubes (CNTs) were amine-functionalized through treatments in inductively coupled post-discharge, capacitively coupled micro spark and pulsed micro arc/glow discharge plasma regions, using urea in solid state as ...

• Improving the Analytical Reproducibility of Electrochemical Capacitive Sensors Using the Chemical Hardness of the Interface 

  Corzo, Sandra P.; Bueno, Paulo R. ; Miranda, David A. (IEEE Access, 2021) [Artigo]

  Miranda and Bueno recently demonstrated that chemical hardness could be experimentally measured and used as a chemical reactivity index of electrochemical interfaces. Herein, we applied this reactivity index concept to ...

• Zeta Potential and Colloidal Stability Predictions for Inorganic Nanoparticle Dispersions: Effects of Experimental Conditions and Electrokinetic Models on the Interpretation of Results 

  Pochapski, Daniel José ; Carvalho Dos Santos, Caio ; Leite, Gabriel Wosiak ; Pulcinelli, Sandra Helena ; Santilli, Celso Valentim (Langmuir, 2021) [Artigo]

  In this work, a set of experimental electrophoretic mobility (μe) data was used to show how inappropriate selection of the electrokinetic model used to calculate the zeta potential (ζ-potential) can compromise the ...

• IN SITU STUDY of GOLD FUNCTIONALIZATION SURFACE for PROTEIN IMMOBILIZATION 

  dos Santos, Adriano ; Ribeiro, Willian Campos ; Bueno, Paulo Roberto (Ecletica Quimica, 2014) [Artigo]

  The SAM approach for biological material immobilization is currently used in biosensors devices, for analytical and protein affinity studies. This paper focuses on the study of real time SAM formation consisted of mixed ...

• Electrocatalysts based on low amounts of palladium combined with tin nanoparticles and cerium dioxide nanorods for application as ADEFC anodes 

  Pinheiro, Victor S.; Souza, Felipe M.; Gentil, Tuani C.; Nascimento, Aline N.; Parreira, Luanna S.; Hammer, Peter ; Sairre, Mirela I.; Batista, Bruno L.; Santos, Mauro C. (International Journal of Hydrogen Energy, 2021) [Artigo]

  This study demonstrates the structural properties and evaluates the electrocatalytic activity of an ethanol oxidation reaction using ternary materials composed by Pd and Sn nanoparticles combined with CeO2 nanorods (NR) ...

• Perspective on quantum electrochemistry. A simple method for measuring the electron transfer rate constant 

  Alarcón, Erika Viviana Godoy ; Santos, Adriano ; Bueno, Paulo Roberto (Electrochimica Acta, 2021) [Artigo]

  It was recently shown that the electron transfer rate constant of an electrochemical reaction and the conductance quantum are correlated with electrochemical capacitance [1]. The association of these two separate concepts ...

• Smart PMMA‑cerium oxide anticorrosive coatings: Effect of ceria content on structure and electrochemical properties 

  Harb, Samarah V. ; Rodrigues, Mariana S. ; de Souza, Thiago A.C. ; Trentin, Andressa ; Uvida, Mayara C. ; Pochapski, Daniel J. ; Pulcinelli, Sandra H. ; Santilli, Celso V. ; Hammer, Peter (Progress in Organic Coatings, 2021) [Artigo]

  Organic-inorganic hybrids are considered an effective and environmentally compliant alternative to chromate-based anticorrosive coatings, currently banned due to the high toxicity of hexavalent chromium. In this work, ...

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