Search results for: M.P. Dias

Items from 1 to 7 out of 7 results

article

Simultaneous degradation of hexazinone and diuron using ZrO2-nanostructured gas diffusion electrode

Jussara F. Carneiro, Fernando L. Silva, Alysson S. Martins, Rafael M.P. Dias, more

Chemical Engineering Journal > 2018 > 351 > C > 650-659

Although several authors have reported the treatment of diuron in wastewater by advanced oxidative processes (AOPs), only a handful of investigations reported using commercial herbicides composed of a mixture of active organic molecules· H₂O₂ is a well-known oxidant that is widely employed in AOPs and which can be produced by oxygen reduction reaction (ORR) on gas diffusion electrode (GDE). However,...

article

How well is the EU protecting its seabirds? Progress in implementing the Birds Directive at sea

I. Ramirez, M. Tarzia, M.P. Dias, I.J. Burfield, more

Marine Policy > 2017 > 81 > C > 179-184

The European Commission has repeatedly requested its Member States to fully implement one of the world's oldest nature legislation laws, the Birds Directive, by designating Special Protection Areas (SPAs) in the marine environment. The current work analyses the spatial coverage offered by the SPA network to the 82 species of seabirds that occur in EU waters, and compare it to that of Important Bird...

article

One-step syntheses of substituted 2-pyrrolidinones and 3-pyrrolidinones from α,β-unsaturated diazoketones and amines. Application in the synthesis of barmumycin

Rafael M.P. Dias, Patrícia B. Momo, Antonio C.B. Burtoloso

Tetrahedron > 2017 > 73 > 26 > 3720-3729

A simple and one-pot way to prepare substituted 2- and 3-pyrrolidinones is described. The method uses unsaturated diazoketones (obtained from aldeydes in a single step) and amines, and provide an easy access to these important classes of nitrogen heterocycles. Furthermore, application of this methodology to the synthesis of the natural product barmumycin is achieved in 3 steps from these diazoketones.

article

Important foraging areas of seabirds from Anguilla, Caribbean: Implications for marine spatial planning

L.M. Soanes, J.A. Bright, D. Carter, M.P. Dias, more

Marine Policy > 2016 > 70 > C > 85-92

Marine spatial planning (MSP) has become an important tool to balance the needs of commercial, economical and recreational users of the marine environment with the protection of marine biodiversity. BirdLife International advocate the designation of marine Important Bird Areas (IBAs) as a key tool to improve the protection and sustainable management of the oceans, including the designation of Marine...

article

Quinolines derivatives as novel sunscreening agents

Hudson C. Polonini, Rafael M.P. Dias, Isabela O. Souza, Karla Mara Gonçalves, more

Bioorganic & Medicinal Chemistry Letters > 2013 > 23 > 16 > 4506-4510

Currently, the research and development of sunscreens play an important role on the synthesis of actives that are stable in various kinds of formulations—in addition to their efficiency and broad spectrum of protection against ultraviolet radiation. Our objective here was to synthesize new sunscreening chemical agents using quinoline as a base molecule. Twelve quinoline derivatives were synthesized,...

article

Morphological characterization of soil clay fraction in nanometric scale

Nivea M.P. Dias, Daniele Gonçalves, Wellington C. Leite, André M. Brinatti, more

Powder Technology > 2013 > 241 > Complete > 36-42

The atomic force microscopy (AFM) is a technique for direct three dimensional measurements of the mineral structure in nanometric scale. In the literature, there are studies which approach the characterization of surfaces in atomic scale through AFM, such as humic substances and minerals. However, the number of studies aiming to characterize the clay fraction minerals in soil using this technique...

chapter

A simplified technique of lighting performance evaluation applied to led-based modern luminaires

M.P. Dias, D.P. Pinto, H.A.C. Braga

2009 Brazilian Power Electronics Conference > 279 - 284

2009 Brazilian Power Electronics Conference. COBEP 2009

This paper presents the practical implementation details of a simplified and low cost technique useful to provide elements that sustain, with solid scientific data, the comparison between conventional small size, low wattage lamps (or luminaires) and LED-based modern counterparts. A case study is also included, which consists of the comparison of a high-power LED linear luminaire, constituted of four...

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Search results for: M.P. Dias

Simultaneous degradation of hexazinone and diuron using ZrO2-nanostructured gas diffusion electrode

How well is the EU protecting its seabirds? Progress in implementing the Birds Directive at sea

One-step syntheses of substituted 2-pyrrolidinones and 3-pyrrolidinones from α,β-unsaturated diazoketones and amines. Application in the synthesis of barmumycin

Important foraging areas of seabirds from Anguilla, Caribbean: Implications for marine spatial planning

Quinolines derivatives as novel sunscreening agents

Morphological characterization of soil clay fraction in nanometric scale

A simplified technique of lighting performance evaluation applied to led-based modern luminaires

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