Rui M. Almeida
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View article: Prismatic Ag Nanoplatelets as Efficient Dopants in Heterogeneous Photocatalysis
Prismatic Ag Nanoplatelets as Efficient Dopants in Heterogeneous Photocatalysis Open
This study investigates the use of silver nanoplatelets (AgNPs) coupled with oxide materials to enhance photocatalytic processes for the degradation of organic contaminants. Zinc oxide (ZnO) nanoflowers were synthesized via microwave-assis…
View article: Mechanical Behavior of Ion-Exchanged Alkali Aluminosilicate Glass Ceramics
Mechanical Behavior of Ion-Exchanged Alkali Aluminosilicate Glass Ceramics Open
Glass is one of the oldest and most versatile manmade materials and has been used for centuries. One of the areas of significant research and progress is that of high-mechanical-resistance glass. Several processes can be used to maximize t…
View article: Up-conversion materials for solid-state lighting
Up-conversion materials for solid-state lighting Open
Conventional phosphor-converted white LEDs (WLEDs), using (Stokes) down-conversion light emission, suffer from a red deficiency that increases the Color Temperature towards “cool white light” above 5000 K. The present work describes a phos…
View article: Pitt Hopkins syndrome: a rare cause of global neurodevelopmental delay
Pitt Hopkins syndrome: a rare cause of global neurodevelopmental delay Open
View article: Phosphor-Up-Converted White Led Materials Assisted by 1-D Photonic Crystals
Phosphor-Up-Converted White Led Materials Assisted by 1-D Photonic Crystals Open
View article: Issue Information
Issue Information Open
Wiley's Corporate Citizenship initiative seeks to address the environmental, social, economic, and ethical challenges faced in our business and which are important to our diverse stakeholder groups.Since launching the initiative, we have f…
View article: A window to the future: Frontiers of glass research from a world perspective
A window to the future: Frontiers of glass research from a world perspective Open
Article discusses characteristics of glass, including its uses, properties, characteristics, and its research potential. It is the introduction for a special issue showcasing glass research.
View article: A window to the future: Frontiers of glass research from a world perspective
A window to the future: Frontiers of glass research from a world perspective Open
View article: Gelatin Methacryloyl (GelMA) Nanocomposite Hydrogels Embedding Bioactive Naringin Liposomes
Gelatin Methacryloyl (GelMA) Nanocomposite Hydrogels Embedding Bioactive Naringin Liposomes Open
The development of nanocomposite hydrogels that take advantage of hierarchic building blocks is gaining increased attention due to their added functionality and numerous biomedical applications. Gathering on the unique properties of these …
View article: Sol-Gel Derived Active Material for Yb Thin-Disk Lasers
Sol-Gel Derived Active Material for Yb Thin-Disk Lasers Open
A ytterbium doped active material for thin-disk laser was developed based on aluminosilicate and phosphosilicate glass matrices containing up to 30 mol% YbO1.5. Thick films and bulk samples were prepared by sol-gel processing. The structur…
View article: Estimation of currents with acoustic navigation beacons
Estimation of currents with acoustic navigation beacons Open
In this article we introduce a method to estimate the water current in AUV operation scenarios. The method is based on reciprocal sound transmission between pairs of acoustic navigation beacons, with a minimum of three beacons being requir…
View article: A lightweight docking station for a hovering AUV
A lightweight docking station for a hovering AUV Open
The concept of underwater docking stations has long been proposed to support the long term deployment of AUVs, but the number of successful solutions is still very disappointing. Hovering type AUVs can navigate arbitrarily slow, simplifyin…
View article: Characterization of measurement errors in a LBL positioning system
Characterization of measurement errors in a LBL positioning system Open
There are several sources of error affecting the accuracy of underwater ranging using acoustic signals. These errors have a direct impact in the performance of Long Baseline (LBL) navigation system. This paper presents the results of exper…
View article: Man portable acoustic navigation buoys
Man portable acoustic navigation buoys Open
This paper presents a new generation of man portable acoustic navigation buoys. The aim of these buoys is to facilitate the deployment of an underwater acoustic positioning system for the operation of Autonomous Underwater Vehicles. Each b…
View article: Multiple robot operations for maritime search and rescue in euRathlon 2015 competition
Multiple robot operations for maritime search and rescue in euRathlon 2015 competition Open
This paper presents results of the INESC TEC participation in the maritime environment (both at surface and underwater) integrated in the ICARUS team in the euRathlon 2015 robotics search and rescue competition. These relate to the marine …