Search Results - "Seabra, M."

Novel porous fly-ash containing geopolymer monoliths for lead adsorption from wastewaters by Novais, Rui M., Buruberri, L.H., Seabra, M.P., Labrincha, J.A.

“…[Display omitted] •Porous fly ash containing-geopolymer monoliths for lead adsorption were developed.•Geopolymers’ porosity and pH of the ion solution controls…”
Get full text

Implementation of the SCC-DFTB Method for Hybrid QM/MM Simulations within the Amber Molecular Dynamics Package by Seabra, Gustavo de M, Walker, Ross C, Elstner, Marcus, Case, David A, Roitberg, Adrian E

“…Self-consistent charge density functional tight-binding (SCC-DFTB) is a semiempirical method based on density functional theory and has in many cases been…”
Get full text

Waste glass from end-of-life fluorescent lamps as raw material in geopolymers by Novais, Rui M., Ascensão, G., Seabra, M.P., Labrincha, J.A.

“…[Display omitted] •Reuse of waste glass coming from end-of-life fluorescent lamps was investigated.•This unexplored waste glass was successfully incorporated…”
Get full text

Graphene-TiO2 hybrids for photocatalytic aided removal of VOCs and nitrogen oxides from outdoor environment by Tobaldi, D.M., Dvoranová, D., Lajaunie, L., Rozman, N., Figueiredo, B., Seabra, M.P., Škapin, A. Sever, Calvino, J.J., Brezová, V., Labrincha, J.A.

“…[Display omitted] •High throughput low-cost sol–gel graphene-TiO2 nanocomposites.•EPR proved different radicals upon excitation: complex reaction…”
Get full text

Porous biomass fly ash-based geopolymers with tailored thermal conductivity by Novais, Rui M., Buruberri, L.H., Ascensão, G., Seabra, M.P., Labrincha, J.A.

“…In this work novel, porous biomass fly ash-based-geopolymers were produced by using hydrogen peroxide as pore forming agent. This innovative material can help…”
Get full text

Purely Visible-Light-Induced Photochromism in Ag–TiO2 Nanoheterostructures by Tobaldi, D. M, Hortigüela Gallo, M. J, Otero-Irurueta, G, Singh, M. K, Pullar, R. C, Seabra, M. P, Labrincha, J. A

“…We report titania nanoheterostructures decorated with silver, exhibiting tuneable photochromic properties for the first time when stimulated only by visible…”
Get full text

Architectural technologies for life environment: Spent coffee ground reuse in lime-based mortars. A preliminary assessment for innovative green thermo-plasters by Saeli, Manfredi, Capela, Marinélia N., Campisi, Tiziana, Paula Seabra, M., Tobaldi, David M., La Fata, C. Manuela

“…•Spent coffee ground is reused as raw material in building application.•Natural hydraulic lime bio-mortars are produced reusing spent coffee…”
Get full text

Preparation of clinker from paper pulp industry wastes by Buruberri, Leire H., Seabra, M.P., Labrincha, J.A.

“…•Valorization of the pulp paper industry wastes (lime mud, biological sludge and fly ash).•Despite the fly ash constrains (high chloride content) an…”
Get full text

Silver-Modified Nano-titania as an Antibacterial Agent and Photocatalyst by Tobaldi, D. M, Piccirillo, C, Pullar, R. C, Gualtieri, A. F, Seabra, M. P, Castro, P. M. L, Labrincha, J. A

“…With the increasing demand for nanomaterials, it is essential that they are produced, where possible, by sustainable or “green” synthesis methods, avoiding…”
Get full text

Persistent shoulder pain as a first manifestation of vasculo-Behçet by Seabra Rato, M, Miriam Ferreira, R, Costa, L

Get full text

Cu–TiO2 Hybrid Nanoparticles Exhibiting Tunable Photochromic Behavior by Tobaldi, D. M, Rozman, N, Leoni, M, Seabra, M. P, Škapin, A. S, Pullar, R. C, Labrincha, J. A

“…Pure and copper-modified photocatalytic TiO2 nanopowders were prepared via a green sol–gel route and heated to 450 °C. Copper does not enter the TiO2 lattice…”
Get full text

Epilepsy hospitalizations and psychiatric comorbidities: a study protocol for a nationwide inpatient analysis by Silva, M, Gonçalves-Pinho, M, Ferreira, A Rita, Seabra, M, Freitas, A, Fernandes, L

“…IntroductionPsychiatric comorbidities are highly frequent in patients with epilepsy and are associated with negative outcomes. These comorbid conditions can…”
Get full text

Synthesis of ceramic pigments from industrial wastes: Red mud and electroplating sludge by Carneiro, J., Tobaldi, D.M., Capela, M.N., Novais, R.M., Seabra, M.P., Labrincha, J.A.

“…•Red mud and electroplating sludge combined to prepare ceramic pigments.•Dark pigments with structure based on a chrome-iron-nickel spinel.•Waste-based…”
Get full text

A blank slate – apropos a clinical case by Ramos, S. Freitas, Seabra, M., Horta, P.Â., Guimarães, J., Grangeia, R.

“…IntroductionDissociative Amnesia remains an enigmatic and controversial entity. It is classically described as responsible for autobiographic amnesia…”
Get full text

Hypothalamic involvement in chronic migraine by Peres, M F P, del Rio, M Sanchez, Seabra, M L V, Tufik, S, Abucham, J, Cipolla-Neto, J, Silberstein, S D, Zukerman, E

“…OBJECTIVES Chronic migraine (CM), previously called transformed migraine, is a frequent headache disorder that affects 2%-3% of the general population…”
Get full text

Are Current Semiempirical Methods Better Than Force Fields? A Study from the Thermodynamics Perspective by de M. Seabra, Gustavo, Walker, Ross C, Roitberg, Adrian E

“…The semiempirical Hamiltonians MNDO, AM1, PM3, RM1, PDDG/MNDO, PDDG/PM3, and SCC-DFTB, when used as part of a hybrid QM/MM scheme for the simulation of…”
Get full text

Ceramic tiles with controlled porosity and low thermal conductivity by using pore-forming agents by Novais, Rui M., Seabra, M.P., Labrincha, J.A.

“…This work reports the influence of pore forming agents, their incorporation content and particle size distribution on the bi-layered ceramics porosity,…”
Get full text

Phase composition, crystal structure and microstructure of silver and tungsten doped TiO2 nanopowders with tuneable photochromic behaviour by Tobaldi, D.M., Pullar, R.C., Gualtieri, A.F., Seabra, M.P., Labrincha, J.A.

“…Titanium dioxide exists in a large number of polymorphs, the most common ones being, in order of abundance, rutile, anatase and brookite. Recently, there has…”
Get full text

Quince (Cydonia oblonga Miller) Fruit (Pulp, Peel, and Seed) and Jam:  Antioxidant Activity by Silva, Branca M, Andrade, Paula B, Valentão, Patrícia, Ferreres, Federico, Seabra, Rosa M, Ferreira, Margarida A

“…To study the antioxidant activity of quince fruit (pulp, peel, and seed) and jam, methanolic extracts were prepared. Each extract was fractionated into a…”
Get full text

Effect of samarium and vanadium co-doping on structure, ferroelectric and photocatalytic properties of bismuth titanate by Ramana, E. Venkata, Prasad, N. V., Tobaldi, David Maria, Zavašnik, Janez, Singh, M. K., Hortigüela, María Jésus, Seabra, M. P., Prasad, G., Valente, M. A.

“…We performed a systematic analysis of the structure, ferroelectric and photocatalytic activities of Sm and V co-doped Bi 4 Ti 3 O 12 (SBVT) ceramics. The…”
Get full text