Materials

 

Materials

Recombinant hirudin suppresses angiogenesis of diffuse large B?cell lymphoma through regulation of the PAR?1?VEGF
29/04/2024 - PAR?1 with VEGF interaction, PAR?1 promoted proliferation, migration, and angiogenesis of EA.hy926 or Diffuse large B?cell lymphoma (DLBCL) cells through up?regulation VEGF. While Recombinant hirudin...
Mechanical Behaviour, Contact Pose Estimation, and Finite Element Analysis of Vision Based Tactile Sensors Fabricated by Molding and Direct Ink Writing: A Comparative Study
28/04/2024 - This work pioneers the application of direct ink writing (DIW) to fabricate elastomeric additively manufactured vision based tactile sensor (VBTS). DIW cuts down the fabrication time by 76%, allowing...
Improved Plating Adhesion of Polyarylate Fibers via Supercritical CO2 and Impregnation of Slightly Soluble Oil on the Fiber Surface
10/04/2024 - There is a growing demand for conductive fibers with high bending resistance, particularly for applications, such as smart textiles and robot arms. The amount of fiber for such applications can be...
Coherent Control of the Fine-Structure Qubit in a Single Alkaline-Earth Atom
- We report on the first realization of a novel neutral atom qubit encoded in the spin-orbit coupled metastable states P03 and P23 of a single Sr88 atom trapped in an optical tweezer. Raman coupling of...
Assessing Aspects of Cadmium Supply, Recycling and Environmental Pollution with Respect to Future Photovoltaic Technology Demands and Envionmental Policy Goals
- Cadmium has appeared as an important element for certain types of solar cells and rechargeable batteries. It is possible that there will be a large increase in demand for technical cadmium in the...
Carbon and Methane as Indicators of Environmental Efficiency of a Silvopastoral System in Eastern Amazon, Brazil
20/03/2024 - Livestock systems have been identified as major emitters of greenhouse gases due to the use of extensive areas with degraded pastures. The objective of this study was to analyze carbon (CO2) and...
Hedonic Approach to Vertical Residential Rentals in the Brazilian Amazon: The Case of Belém, Pará
08/03/2024 - This study set out to identify and analyze the factors that influence the formation of rental prices for residential apartments in the city of Belém. The approach adopted was based on...
Surface?methacrylated microcrystalline cellulose bioresins with soybean oil for additive manufacturing via vat photopolymerization
04/03/2024 - The additive manufacturing (AM) industry increasingly looks to differentiate itself by utilizing materials and processes that are green, clean, and sustainable. Biopolymers, bio?sourced raw materials...
Between Laws and Trends: Unraveling the Dynamics of Vertical Housing Units’ Development under Institutional Forces in the Brazilian Amazon
08/03/2024 - This paper is based on the recognition of a phenomenon occurring in the real estate market of Belém, Pará, in the Brazilian Amazon. The phenomenon refers to the relative...
Modern Technology for the Production of Hydrated Cellulose Fibers
23/02/2024 - The paper discusses experimental techniques for pulping, bleaching, and creating manmade fibers based on Na-sulfite and Mg-bisulfite dissolving pulps utilizing a dry-jet wet spinning procedure...
Testing of Indoor Obstacle-Detection Prototypes Designed for Visually Impaired Persons
21/02/2024 - Outdoor solutions aiding the navigation of visually impaired individuals can seamlessly transition to indoor environments. Take, for instance, the adaptation of special lanes and configurations on...
3D printable hydrogel filament with functionalizable moiety for in-situ flow-based sensor
02/02/2024 - Understanding microorganisms is a worthy work to gather various biological information that can directly affect human beings. However, most information is detected or measured at ex-situ...
Comprehensive Study on Carbon-Coated Silver for Improved Tribo-Electrical and Wetting Performance
- The rise in electrification has considerably increased the demand for high-efficiency and durable electrical contact materials. Carbon nanoparticles (CNP) are a promising coating material due to...
High Performance and Reprocessable In Situ Generated Nanofiber Reinforced Composites Based on Liquid Crystal Polyarylate
21/01/2024 - The incorporation of NDA with kinked structure into liquid crystal polyarylate promotes the formation of in situ generated NFRC which possesses superior reprocessability and unprecedent...
PAR: Towards a Reference Architecture for Accessible Platforms in Respiratory Therapies
19/01/2024 - This article focuses on the Accessible Platform for Respiratory Therapies (PAR), designed according to the iPlus methodology with the application of usability and accessibility criteria, following...
Mod2VQLS: A Variational Quantum Algorithm for Solving Systems of Linear Equations Modulo 2
17/01/2024 - This paper presents a system for solving binary-valued linear equations using quantum computers. The system is called Mod2VQLS, which stands for Modulo 2 Variational Quantum Linear Solver. As far as...
The Two-Parameter Holland Pressure Model for Tropical Cyclones
02/01/2024 - In this study, we propose a two-parameter symmetric tropical cyclone (TC) pressure model, derived from the fundamental equations of the TC wind field. This model rectifies the deficits of the...
Spatial Distribution and Sources of Growth of Dairy Farming in the State of Pará, Brazil
22/12/2023 - The characterization of dairy farming is fundamental for the sector, as the information obtained directs institutional and public policy actions, which contribute to the development of the milk...
Exploring Disentangled Polyethylene Tape as Soft Armour Materials in Various Structural Forms
19/12/2023 - Lightweight and thin, soft armour panels (SAPs) with minimum back-face signature (BFS) are desirable for developing bullet-resistant jackets. This research explores the ballistic resistance of...
Hierarchical Hybrid Coatings with Drug-Eluting Capacity for Mg Alloy Biomaterials
18/12/2023 - A hierarchical hybrid coating (HHC) comprising a ceramic oxide layer and two biodegradable polymeric (polycaprolactone, PCL) layers has been developed on Mg3Zn0.4Ca cast alloy in order to provide a...