219 documents found, page 1 of 22

Pioneering wound care solutions: triaxial wet-spun fibers with bioactive agents...

Fiber-based constructs have been produced as an alternative to conventional dressings for the treatment of chronic wounds (CWs), showing good tenability, high surface area and regulable porosity. A commonly used technique for processing such dressings is wet-spinning, which involves precipitating a polymer solution into a coagulation bath containing a non-solvent of that polymer. This process produces fibers wi...

Development of Co-Axial fibres composed of CA (Mn 50,000) and PEGs (600 and 100...

Rapid urbanisation and industrialisation have intensified the Urban Heat Is-land (UHI) effect, significantly increasing energy demand for thermal comfort. Urban buildings consume considerable energy throughout the year, which can be reduced by incorporating Phase Change Materials (PCMs) into building materials. PCMs effectively regulate temperature by storing and releasing heat as latent heat during phase trans...

Tailoring poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) memb...

Novel battery separators based on poly(vinylidene fluoride-co-trifluoroethylene-chlorofluoroethylene)- P(VDF-TrFE-CFE)- were produced by different processing techniques (non-solvent and thermally induced phase separation, salt leaching and electrospinning), in order to evaluate their effect on separator morphology, degree of porosity and pore size, electrochemical parameters and battery cycling behavior. It has...

Calcium Biofortification in Potato

Potato (Solanum tuberosum L.) is an important global food crop, being greatly valued for its high carbohydrate content and nutritional profile. In response to the world population’s rapid growth and the increasing need for nutritionally enhanced food quality, potato biofortification has become a key focus of agronomic research. This study investigated the effect of calcium (Ca) biofortification on two potato cu...

Influence of sodium bis(fluorosulfonyl)imide concentration and dimethyl carbona...

Over the last decades, having cheap, efficient, and environmentally friendly energy storage supplies has become paramount. Therefore, solid polymer electrolytes (SPEs) have been studied since there is a need for effective, safer, and environmentally friendly devices. SPEs are promising materials for practical electrochemical applications, such as rechargeable batteries, supercapacitors, fuel cells, and electroc...

Lithium-ion battery separators based on sustainable collagen and chitosan hybri...

This work focuses on the production of sustainable membranes based on collagen and chitosan as separators in lithium-ion batteries. Membranes were prepared by freeze-drying with varying collagen and chitosan contents. All membranes show interconnected pores with different pore sizes and porosity above 90 %, allowing high values of electrolyte uptake. As for thermal and mechanical characteristics, the addition o...

Esa-Ecosystemadapt, a Tool for Decision Support and Management of Montado Areas

Coaxial fibres incorporated with phase change materials for thermoregulation ap...

Nowadays, the growing concern about improving thermal comfort in different structures (textiles, buildings, and pavements, among others) has stimulated research into phase change materials (PCMs). The direct incorporation of PCMs into composite materials can cause mechanical impacts. Therefore, this study focuses on the design of phase change coaxial fibres (PCFs), using commercial cellulose acetate (CA) or rec...

Wool/soy protein isolate membranes as separators toward more sustainable lithiu...

Natural origin products exist in large quantities around the world and many times they are not properly exploited in order to realize their potential in novel applications, being often even discarded as by-products from other uses. In this study, wool and soy protein isolate (SPI) are proposed to develop separator membranes for lithium-ion batteries (LIBs), aiming toward a new generation of sustainable batterie...

Sodium alginate-based multifunctional sandwich-like system for treating wound i...

Microbial colonization and development of infections in wounds is a sign of chronicity. The prevailing approach to manage and treat these wounds involves dressings. However, these often fail in effectively addressing infections, as they struggle to both absorb exudates and maintain optimal local moisture. The system here presented was conceptualized with a three-layer design: the outer layer made of a fibrous p...