Search Results - "Duarte, R G"

First report of Raillietiella mottae (Pentastomida: Raillietiellidae) infecting Rhinella diptycha (Anura, Bufonidae) in the Brazilian Northeast by Lima, A E S, Duarte, R G, Lacerda, G M C, Almeida, W O, Ribeiro, S C

“…Amphibians can harbor a great variety of parasites, acting as definitive, intermediate, and paratenic hosts, as in the case of Rhinella diptycha (Cope, 1862)…”
Get full text

Silanes and rare earth salts as chromate replacers for pre-treatments on galvanised steel by Ferreira, M.G.S, Duarte, R.G, Montemor, M.F, Simões, A.M.P

“…Cr(VI)-based pre-treatments have been in use for long time on several materials, however, they are target of great criticism and in the near future they could…”
Get full text

Analytical characterisation and corrosion behaviour of bis-[triethoxysilylpropyl]tetrasulphide pre-treated AA2024-T3 by Cabral, A., Duarte, R.G., Montemor, M.F., Zheludkevich, M.L., Ferreira, M.G.S.

“…This work aims at studying the corrosion behaviour of AA2024-T3 pre-treated with bis-[triethoxysilylpropyl]tetrasulphide. Simultaneously, the work investigates…”
Get full text

Pt–Ru nanoparticles supported on functionalized carbon as electrocatalysts for the methanol oxidation by Salgado, J.R.C., Fernandes, J.C.S., Botelho do Rego, A.M., Ferraria, A.M., Duarte, R.G., Ferreira, M.G.S.

“…[Display omitted] ► The functionalized carbon using acid solutions contains surface oxygenated groups. ► Uniform dispersion of PtRu nanoparticles on the carbon…”
Get full text

A comparative study on the corrosion resistance of AA2024-T3 substrates pre-treated with different silane solutions Composition of the films formed by CABRAL, A. M, DUARTE, R. G, MONTEMOR, M. F, FERREIRA, M. G. S

Get full text

Corrosion Behavior of Stainless Steel Rebars Embedded in Concrete: an Electrochemical Impedance Spectroscopy Study by Duarte, R.G., Castela, A.S., Neves, R., Freire, L., Montemor, M.F.

“…This work aims at studying the electrochemical behavior, by Electrochemical Impedance Spectroscopy (EIS), of austenitic (AISI 304 and AISI 316) and duplex (SAF…”
Get full text

Electrodeposition and characterization of nickel–copper metallic foams for application as electrodes for supercapacitors by Eugénio, S., Silva, T. M., Carmezim, M. J., Duarte, R. G., Montemor, M. F.

“…Nickel–copper metallic foams were electrodeposited from an acidic electrolyte, using hydrogen bubble evolution as a dynamic template. Their morphology and…”
Get full text

Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications by García-Gómez, A., Eugénio, S., Duarte, R.G., Silva, T.M., Carmezim, M.J., Montemor, M.F.

“…[Display omitted] •Electrochemically reduced graphene/CoOx composites were successfully produced by electrodeposition.•The composite material presents a…”
Get full text

A comparative study between Cr(VI)-containing and Cr-free films for coil coating systems by Duarte, R.G., Bastos, A.C., Castela, A.S., Ferreira, M.G.S.

“…In this work, the protection conferred by Cr(VI)-containing and Cr-free pre-treatments and primers used in hot dip galvanized steel (HDG) coated systems were…”
Get full text

Influence of Unsupported Concrete Media in Corrosion Assessment for Steel Reinforcing Concrete by Electrochemical Impedance Spectroscopy by Castela, A.S., da Fonseca, B. Sena, Duarte, R.G., Neves, R., Montemor, M.F.

“…This work aims at studying the response of unsupported concrete media by Electrochemical Impedance Spectroscopy (EIS) and its influence in the results obtained…”
Get full text

Antimicrobial activity of lactoferrin-chitosan-gellan nanoparticles and their influence on strawberry preservation by Duarte, Larissa G.R., Picone, Carolina S.F.

“…[Display omitted] •Ternary nanoparticles showed 8 times lower MIC than pure lactoferrin and chitosan.•The MIC of the ternary complexes was lower than that of…”
Get full text

Effect of functionalized carbon as Pt electrocatalyst support on the methanol oxidation reaction by Salgado, J.R.C., Duarte, R.G., Ilharco, L.M., Botelho do Rego, A.M., Ferraria, A.M., Ferreira, M.G.S.

“…[Display omitted] ▶ Spectra showed that after treatments the carbon has been found to have oxygen group. ▶ BET results showed that the functionalized carbon…”
Get full text

Non-destructive and on site method to assess the air-permeability in dimension stones and its relationship with other transport-related properties by Sena da Fonseca, B., Castela, A. S., Duarte, R. G., Neves, R., Montemor, M. F.

“…This work studies the suitability of the “Torrent” air-permeability test method for testing dimension stones. To test its feasibility, measurements were…”
Get full text

A new model for estimation of water uptake of an organic coating by EIS: The tortuosity pore model by Duarte, R.G., Castela, A.S., Ferreira, M.G.S.

“…In this work, a new and more intricate model of estimate water uptake inside an organic coating by impedance measurements is proposed, the tortuosity pore…”
Get full text

Morphological characterization of hemocytes from Biomphalaria glabrata and Biomphalaria straminea by Cavalcanti, M.G.S., Filho, F.C., Mendonça, A.M.B., Duarte, G.R., Barbosa, C.C.G.S., De Castro, C.M.M.B., Alves, L.C., Brayner, F.A.

“…► Hemocyte subsets in Biomphalaria glabrata and Biomphalaria straminea. ► The same types of hemocytes in two species of mollusks. ► There are five types of…”
Get full text

Influence of GFRP Confinement of Reinforced Concrete Columns on the Corrosion of Reinforcing Steel in a Salt Water Environment by da Fonseca, B. Sena, Castela, A. S, Silva, Manuel A. G, Duarte, R. G, Ferreira, M. G. S, Montemor, M. F

“…AbstractThis paper concentrates on the changes on the corrosion rate of the steel bars of RC columns due to their wrapping with glass fiber–reinforced polymers…”
Get full text

New approaches for modulation of alginate-chitosan delivery properties by Meskelis, Ludmilla, F Agondi, Raquel, Duarte, Larissa G R, de Carvalho, Matheus D, Sato, Ana Carla K, Picone, Carolina S F

“…Alginate is a biopolymer widely used on delivery systems when bioactive protection at acidic pH is required, while chitosan can enhance mucoadhesion and…”
Get full text

Lactoferrin-Chitosan-TPP Nanoparticles: Antibacterial Action and Extension of Strawberry Shelf-Life by Duarte, Larissa G. R., Ferreira, Natália C. A., Fiocco, Ana Clara T. R., Picone, Carolina S. F.

“…The aim of the present study was to produce lactoferrin (L) and chitosan (C) nanoparticles by ionic cross-linking with TPP and thereby increase the…”
Get full text

Improving chitosan properties through ionic and chemical cross‐linking and their impact on emulsified systems by Gonçalves, Ana Carolina R., Duarte, Larissa G. R., Fiocco, Ana Clara T. R., Alencar, William M. P., Iacuzio, Raiza, Silva, Nathália C. C., Picone, Carolina S. F.

“…Summary Chitosan (CS) nanoparticles were formed by two different methodologies: ionic (with sodium tripolyphosphate ‐TPP) and chemical (with genipin ‐GN)…”
Get full text

Synthesis, characterization and application of antibacterial lactoferrin nanoparticles by Duarte, Larissa G.R., Alencar, William M.P., Iacuzio, Raiza, Silva, Nathália C.C., Picone, Carolina S.F.

“…Lactoferrin (L) and gellan gum (G) nanoparticles were produced in different biopolymer proportions through electrostatic complexation to enhance the…”
Get full text