Search Results - "Oliveira, V B"

Overview on the developments of microbial fuel cells by Oliveira, V.B., Simões, M., Melo, L.F., Pinto, A.M.F.R.

“…► We present a recent review concerning the most recent MFC optimization studies. ► The effect of pH, temperature, organic load, feed rate and shear stress are…”
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The Effect of a Reduction in the Catalyst Loading on a Mini Passive Direct Methanol Fuel Cell by Moreira, C. S., Pinto, A. M. F. R., Oliveira, V. B.

“…Mini passive direct methanol fuel cells (mpDMFCs) appear to be a promising alternative for powering portable devices, since they use a liquid fuel, have a fast…”
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Review on micro-direct methanol fuel cells by Falcão, D.S., Oliveira, V.B., Rangel, C.M., Pinto, A.M.F.R.

“…Fuel cells have unique technological attributes: efficiency, minimization of moving parts and low emissions. The Direct Methanol Fuel Cell (DMFC) has attracted…”
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Performance of a passive direct ethanol fuel cell by Pereira, J.P., Falcão, D.S., Oliveira, V.B., Pinto, A.M.F.R.

“…Ethanol emerges as an attractive fuel since it is less toxic and has higher energy density than methanol and can be produced from biomass. Direct ethanol fuel…”
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The Worldwide Graphene Flake Production by Kauling, Alan P., Seefeldt, Andressa T., Pisoni, Diego P., Pradeep, Roshini C., Bentini, Ricardo, Oliveira, Ricardo V. B., Novoselov, Konstantin S., Castro Neto, Antonio H.

“…There are hundreds of companies worldwide claiming to produce “graphene,” showing a large variation in its properties. A systematic and reliable protocol is…”
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A 1D mathematical model for a microbial fuel cell by Oliveira, V.B., Simões, M., Melo, L.F., Pinto, A.M.F.R.

“…MFCs (microbial fuel cells) are a promising sustainable technology to meet increasing energy needs, especially using wastewaters as substrates, since they can…”
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Polyelectrolyte–Graphene Oxide Multilayer Composites for Array of Microchambers which are Mechanically Robust and Responsive to NIR Light by Ermakov, Alexey, Lim, Su Hui, Gorelik, Sergey, Kauling, Alan P., Oliveira, Ricardo V. B., Castro Neto, A. H., Glukhovskoy, Evgeniy, Gorin, Dmitry A., Sukhorukov, Gleb B., Kiryukhin, Maxim V.

“…Development of composite polymer/graphene oxide (GO) materials attracts significant attention due to their unique properties. In this work, highly ordered…”
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Effectiveness of exergames for improving mobility and balance in older adults: a systematic review and meta-analysis by Pacheco, T. B. F., de Medeiros, C. S. P., de Oliveira, V. H. B., Vieira, E. R., de Cavalcanti, F. A. C.

“…Background Exergaming is a fun, engaging, and interactive form of exercising that may help overcome some of the traditional exercise barriers and help improve…”
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Continuous-flow synthesis of dimethyl fumarate: a powerful small molecule for the treatment of psoriasis and multiple sclerosis by Lima, Marcelo T, Finelli, Fernanda G, de Oliveira, Alline V. B, Kartnaller, Vinicius, Cajaiba, João F, Leão, Raquel A. C, de Souza, Rodrigo O. M. A

“…Dimethyl fumarate (DMF) is a methyl ester of fumaric acid and has recently gained attention due to its use as a pro-drug in different pharmaceutical…”
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One-dimensional and non-isothermal model for a passive DMFC by Oliveira, V.B., Rangel, C.M., Pinto, A.M.F.R.

“…Passive direct methanol fuel cells (DMFCs) are promising energy sources for portable electronic devices. Different from DMFCs with active fuel feeding systems,…”
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1D and 3D numerical simulations in PEM fuel cells by Falcão, D.S., Gomes, P.J., Oliveira, V.B., Pinho, C., Pinto, A.M.F.R.

“…The potential of fuel cells for clean and efficient energy conversion is generally recognized. The proton-exchange membrane (PEM) fuel cells are one of the…”
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Effect of anode and cathode flow field design on the performance of a direct methanol fuel cell by Oliveira, V.B., Rangel, C.M., Pinto, A.M.F.R.

“…In the present work the effect of three different anode and cathode flow field designs (single serpentine (SFF), multi-serpentine (MSFF) and an original design…”
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Water transport through a PEM fuel cell: A one-dimensional model with heat transfer effects by Falcão, D.S., Oliveira, V.B., Rangel, C.M., Pinho, C., Pinto, A.M.F.R.

“…Models play an important role in fuel cell design/development. The most critical problems to overcome in the proton exchange membrane (PEM) fuel cell…”
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Assessing single and joint effects of chemicals on the survival and reproduction of Folsomia candida (Collembola) in soil by Amorim, M.J.B., Pereira, C., Menezes-Oliveira, V.B., Campos, B., Soares, A.M.V.M., Loureiro, S.

“…Chemicals are often found in the environment as complex mixtures. There has been a large effort in the last decade to assess the combined effect of chemicals,…”
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Modelling and experimental studies on a direct methanol fuel cell working under low methanol crossover and high methanol concentrations by Oliveira, V.B., Rangel, C.M., Pinto, A.M.F.R.

“…A number of issues need to be resolved before DMFC can be commercially viable such as the methanol crossover and water crossover which must be minimised in…”
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Development of ecosystems to climate change and the interaction with pollution—Unpredictable changes in community structures by Menezes-Oliveira, V.B., Scott-Fordsmand, J.J., Soares, A.M.V.M., Amorim, M.J.B.

“…•Soil invertebrate species composition was affected by temperature and Cu exposure.•Temperature effects were species-dependently related to population growth…”
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Annealing effects on the microstructure and coercive field of two ferritic–martensitic Eurofer steels: A comparative study by Oliveira, V.B., Sandim, M.J.R., Stamopoulos, D., Renzetti, R.A., Santos, A.D., Sandim, H.R.Z.

“…Reduced-activation ferritic–martensitic steels are promising candidates for structural applications in future nuclear fusion power plants. Oxide dispersion…”
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Interaction between density and Cu toxicity for Enchytraeus crypticus and Eisenia fetida reflecting field scenarios by Menezes-Oliveira, V.B., Scott-Fordsmand, J.J., Rocco, A., Soares, A.M.V.M., Amorim, M.J.B.

“…Effect assessment is usually based on responses obtained from standard tests, in which organisms are well fed and in an optimal population density. For a more…”
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Identification by MALDI-TOF MS of Sporothrix brasiliensis isolated from a subconjunctival infiltrative lesion in an immunocompetent patient by Matos, Aline M. F., Moreira, Lucas M., Barczewski, Bianca F., Matos, Lucas X. de, Oliveira, Jordane B. V. de, Pimentel, Maria Ines F., Almeida-Paes, Rodrigo, Oliveira, Murilo G., Pinto, Tatiana C. A., Lima, Nelson, Matos, Magnum de O., Costa, Louise G. de M. e, Santos, Cledir, Oliveira, Manoel Marques Evangelista

“…Sporotrichosis is a globally distributed subcutaneous fungal infection caused by dimorphic fungi belonging to the Sporothrix species complex that affects the…”
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Effects of Solvent Polarity on the Reaction of Aldehydes and Ketones with a Hydrazide-Bound Scavenger Resin by de Oliveira, Alline V. B, Kartnaller, Vinicius, Costa Neto, Claudio, Cajaiba, João

“…Polymer-supported reagents have been extensively studied and used in various applications, such as condensation reactions and multiple component reactions…”
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