Pedro B. Tavares
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View article: Comparative Analysis of the Physicochemical Properties of Fresh, Solar-Dried, Oven-Dried and Commercial Royal Gala Apple Snacks
Comparative Analysis of the Physicochemical Properties of Fresh, Solar-Dried, Oven-Dried and Commercial Royal Gala Apple Snacks Open
This study compares the physicochemical properties of Royal Gala apple snacks fresh and processed using different methods: solar-dried (SD), oven-dried at 65 °C (OD65°) and 85 °C (OD85°) and two commercial brands (CC—commercial apple C and…
View article: From Sun to Snack: Different Drying Methods and Their Impact on Crispiness and Consumer Acceptance of Royal Gala Apple Snacks
From Sun to Snack: Different Drying Methods and Their Impact on Crispiness and Consumer Acceptance of Royal Gala Apple Snacks Open
This study explores the acoustic, mechanical and sensory characteristics of Royal Gala dried apples, with a special focus on the potential of solar drying as a sustainable processing method. Apple samples were subjected to different drying…
View article: Perfil e motivos dos hipoutilizadores duma unidade de saúde familiar do Porto
Perfil e motivos dos hipoutilizadores duma unidade de saúde familiar do Porto Open
Introdução: A não utilização dos cuidados de saúde primários é problemática, especialmente pela ausência de vigilância do hipoutilizador. Reduzida frequência em consultas com o médico de família impede realização de rastreios, deteção prec…
View article: Arthroscopic ankle arthrodesis: clinical results
Arthroscopic ankle arthrodesis: clinical results Open
Objective:Evaluate the clinical outcome of arthroscopic ankle arthrodesis. Methods:This is a retrospective study, involving 17 patients with ankle arthrosis who did not improve with conservative treatment. These patients underwent ankle ar…
View article: Low-Bandgap Ferroelectric h-LuMnO3 Thin Films for Photovoltaic Applications
Low-Bandgap Ferroelectric h-LuMnO3 Thin Films for Photovoltaic Applications Open
This work explores the deposition of hexagonal (h-) LuMnO3 thin films in the P63cm phase and investigates the conditions under which the synergy of ferroelectric and photoactive properties, can be achieved to confirm the potential of this …
View article: Photo-ferroelectric oxides for photovoltaic applications: Insights, challenges and opportunities
Photo-ferroelectric oxides for photovoltaic applications: Insights, challenges and opportunities Open
View article: Melanoma prevention using an augmented reality-based serious game
Melanoma prevention using an augmented reality-based serious game Open
Patient education is essential to tackle skin cancer, particularly melanoma. Serious games, such as Spot, have the ability to effectively educate and motivate patients to perform a cancer prevention behavior.
View article: A Review on Solar Drying Devices: Heat Transfer, Air Movement and Type of Chambers
A Review on Solar Drying Devices: Heat Transfer, Air Movement and Type of Chambers Open
Food waste is one of the biggest challenges we are facing nowadays. According to the Food and Agriculture Organization (FAO) of the United Nations, approximately one-third of all food produced in the world is lost at some stage between pro…
View article: Growth and Structural Characterization of h-LuMnO3 Thin Films Deposited by Direct MOCVD
Growth and Structural Characterization of h-LuMnO3 Thin Films Deposited by Direct MOCVD Open
In this work, we investigated the MOCVD conditions to synthesize thin films with the hexagonal P63cm h-LuMnO3 phase as a potential low-band gap ferroelectric material. The main parameters investigated were the ratio of organometallic start…
View article: Bi2ZnTiO6 thin films for next-generation photovoltaics: Study of material properties characterization and deposition conditions optimization
Bi2ZnTiO6 thin films for next-generation photovoltaics: Study of material properties characterization and deposition conditions optimization Open
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View article: Evaluation of the Potential of Microalgae as Bioremediation Agents for Olive Mill Wastewater
Evaluation of the Potential of Microalgae as Bioremediation Agents for Olive Mill Wastewater Open
The potential for bioremediation of olive mill wastewaters with different origins—olive washing (OWW) and olive oil extraction (OMW)—among four species of microalgae (Chlorella vulgaris, Auxenochlorella protothecoides, Scenedes…
View article: Heterogeneous Photocatalysis with Wireless UV-A LEDs
Heterogeneous Photocatalysis with Wireless UV-A LEDs Open
Water reuse policies demand high-quality treated water, ensuring no harm to human health and ecosystems. Advanced oxidation processes seem to be one of the most appropriated technologies to achieve the goal of ensuring safe water reuse. In…
View article: Effects of Substitution and Substrate Strain on the Structure and Properties of Orthorhombic Eu1−xYxMnO3 (0 ≤ x ≤ 0.5) Thin Films
Effects of Substitution and Substrate Strain on the Structure and Properties of Orthorhombic Eu1−xYxMnO3 (0 ≤ x ≤ 0.5) Thin Films Open
The effects on the structure and magnetic properties of Eu1−xYxMnO3 (0.0 ≤ x ≤ 0.5) thin films due to lattice strain were investigated and compared with those obtained in equivalent composition ceramics. The films were deposited by spin-co…
View article: Ophthalmic glass lens waste as an alternative soluble silica source for alkali-activation reactions
Ophthalmic glass lens waste as an alternative soluble silica source for alkali-activation reactions Open
View article: The role of structural distortions in triggering the metal to insulator transition in NdNiO3
The role of structural distortions in triggering the metal to insulator transition in NdNiO3 Open
The role of the structural distortions on the metal to insulator transition (MIT) of NdNiO3 is still a controversial topic. NdNiO3 ceramic, 260 nm and 110 nm thin films deposited onto (001)-oriented LaAlO3 substrates were studied to unrave…
View article: Design of a Friendly Solar Food Dryer for Domestic Over-Production
Design of a Friendly Solar Food Dryer for Domestic Over-Production Open
Solar drying is one of the many ways of efficiently making use of solar energy to meet the human demand for improved sustainability. In this study, we describe the construction and testing of two indirect solar dryer prototypes, especially…
View article: Characterization of Stainless Steel Spent Pickling Sludge and Prospects for Its Valorization
Characterization of Stainless Steel Spent Pickling Sludge and Prospects for Its Valorization Open
Fluorspar is considered a critical raw material for the European Union, due to its industrial uses and lack of sufficient extraction in European countries. It is a source for hydrofluoric acid manufacture, this latter chemical being employ…
View article: Magnetostructural coupling in RFeO3 (R = Nd, Tb, Eu and Gd)
Magnetostructural coupling in RFeO3 (R = Nd, Tb, Eu and Gd) Open
View article: Microscopic Identification of Anatomical Elements and Chemical Analysis of Secondary Nests of Vespa velutina nigrithorax du Buyson
Microscopic Identification of Anatomical Elements and Chemical Analysis of Secondary Nests of Vespa velutina nigrithorax du Buyson Open
Vespa velutina accidentally arrived in Europe (France) in 2004, and rapidly expanded throughout the entire country. Its presence in mainland Portugal was first noticed in 2011. Being an invasive species with no natural predators in the reg…
View article: Treatment of Agro-Industrial Wastewaters by Coagulation-Flocculation-Decantation and Advanced Oxidation Processes—A literature Review
Treatment of Agro-Industrial Wastewaters by Coagulation-Flocculation-Decantation and Advanced Oxidation Processes—A literature Review Open
The agro-industry has increased over the years as a necessity to supply the needs of the population in regard to food and drink. This increase has led to the significant production of agro-industrial wastewaters characterized by a high con…
View article: Removal of Methylene Blue from Aqueous Solution by Application of Plant-Based Coagulants
Removal of Methylene Blue from Aqueous Solution by Application of Plant-Based Coagulants Open
Five different plant-based coagulants were used with the objective of removing methylene blue (MB) color aqueous solution. The plant-based coagulants were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron m…
View article: Application of Ferrocene in the Treatment of Winery Wastewater in a Heterogeneous Photo-Fenton Process
Application of Ferrocene in the Treatment of Winery Wastewater in a Heterogeneous Photo-Fenton Process Open
Recent studies in the literature have shown successful applications of the nanomaterial precursor ferrocene (Fc) as a catalyst in heterogeneous photo-Fenton; however, ferrocene has never been used for the treatment of winery wastewater (WW…
View article: Correction to: Hydrothermal temperature dependence of CaWO4 nanoparticles: structural, optical, morphology and photocatalytic activity
Correction to: Hydrothermal temperature dependence of CaWO4 nanoparticles: structural, optical, morphology and photocatalytic activity Open
View article: Disentangling the phase sequence and correlated critical properties in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Bi</mml:mi><mml:mrow><mml:mn>0.7</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>La</mml:mi><mml:mrow><mml:mn>0.3</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>FeO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> by structural studies
Disentangling the phase sequence and correlated critical properties in by structural studies Open
Funding: The authors would like to acknowledge Fundação para a Ciência e Tecnologia (FCT) through projects NORTE/01/0145/FEDER/028538, CERN/FIS-PAR/0005/2017, CERN/FIS-TEC/0003/2019, PTDC/FIS-MAC/29454/2017, and when appropriate cofinanced…
View article: Light-driven oxygen evolution from water oxidation with immobilised TiO2 engineered for high performance
Light-driven oxygen evolution from water oxidation with immobilised TiO2 engineered for high performance Open
View article: Light-driven oxygen evolution from water oxidation: TiO2 engineering in the performance of the immobilised photocatalysts
Light-driven oxygen evolution from water oxidation: TiO2 engineering in the performance of the immobilised photocatalysts Open
Calcination treatments in the range of 500–900 ºC of TiO 2 synthesised by the sol-gel resulted in materials with variable physicochemical ( i.e. , optical, specific surface area, crystallite size and crystalline phase) and morphological pr…
View article: Thermal stability and decomposition kinetics of NdNiO3−δ at 1 bar of O2
Thermal stability and decomposition kinetics of NdNiO3−δ at 1 bar of O2 Open
View article: El reto de diagnosticar la enfermedad de Whipple
El reto de diagnosticar la enfermedad de Whipple Open
Whipple´s Disease is a bacterial disease with particular involvement of small intestine, caused by the bacillus Tropheryma whipplei. Because it is rare and has nonspecific clinical manifestations, the diagnostic is usually late. Has good r…
View article: Advanced Oxidation Processes as sustainable technologies for the reduction of elderberry agro-industrial water impact
Advanced Oxidation Processes as sustainable technologies for the reduction of elderberry agro-industrial water impact Open
View article: Alkali activation of recycled ceramic aggregates from construction and demolition wastes
Alkali activation of recycled ceramic aggregates from construction and demolition wastes Open
Environmental concerns are becoming increasingly more significant worldwide, thus creating the urgent need for new sustainable alternatives in the industrial sector. The present study assesses the fundamental properties of ceramic residue …