Economía Circular

 

Economía Circular

Synthesis, Structure and Reactivity of a Mononuclear N,N,O?Bound Fe(II) ??Keto?Acid Complex
22/02/2024 - Modelling ??Ketoglutarate?Dependent Enzymes. We employed a bulky, tripodal N,N,O phenolate ligand to synthesise the first example of a mononuclear, N,N,O?bound iron(II) ??keto?acid complex. This...
Visible Light?Induced Metal?free Arylation of Coumarin?3?carboxylates with Arylboronic Acids
22/02/2024 - The present work reports a novel methodology for the selective arylation of coumarin?3?carboxylates with arylboronic acids via a photochemical route, marking the first?ever attempt for the direct...
A Novel Approach to Combat Microfiber Release from Polyester Textiles Through Surface Treatment
25/02/2024 - Mitigating microfiber release from textiles is one of the most challenging tasks, as the release occurs in every stage of its life cycle. Despite several reported measures to mitigate the...
Exploring the Impact of Infusion Parameters and In Vitro Digestion on the Phenolic Profile and Antioxidant Capacity of Guayusa (Ilex guayusa Loes.) Tea Using Liquid Chromatography, Diode Array Detection, and Electrospray Ionization Tandem Mass Spectrometry
24/02/2024 - Guayusa tea is derived from the leaves of the Ilex guayusa Loes. plant, which is native to the Amazon rainforest. Beyond its pleasant sensory properties, Guayusa tea is rich in antioxidants,...
The Influence of Reflowing Process on Electrodeposited Sn-Cu-Ni Lead-Free Solder Alloy
23/02/2024 - Sn-Cu-Ni lead-free solder alloy electrodeposited on copper substrate from a deep eutectic solvent (DES)-based electrolyte under direct current (DC) and pulsed current (PC) was subjected to a...
Synthesis of L-Lactide from Lactic Acid and Production of PLA Pellets: Full-Cycle Laboratory-Scale Technology
25/02/2024 - Lactide is one of the most popular and promising monomers for the synthesis of biocompatible and biodegradable polylactide and its copolymers. The goal of this work was to carry out a full cycle of...
External Stimuli-Induced Welding of Dynamic Cross-Linked Polymer Networks
24/02/2024 - Thermosets have been crucial in modern engineering for decades, finding applications in various industries. Welding cross-linked components are essential in the processing of thermosets for repairing...
Thin and high conductive multi?walled carbon nanotubes/polydimethylsiloxane composite film prepared via solvent method as strain sensors
22/02/2024 - Flexible strain sensors based on conductive fillers and flexible polymers possessed significant advantages in human motion detection. Preparing a strain sensing layer with high electrical...
Synergistic effect of activated carbon from disposed plastics and polybenzoxazine composite coating on corrosion inhibition
22/02/2024 - The fabrication of activated carbon dispersed polybenzoxazine (BXP) composite through a single step melt condensation technique is reported. Employing green strategy, activated carbon (AC) was...
Control of Liquid–Liquid Phase Separation, Nucleation, and Growth of L?Menthol Single Crystals from Water–Ethanol Solvent Mixtures
19/02/2024 - The problem of oiling out in L?menthol, a critical issue for food and pharmaceutical intermediate materials, is successfully suppressed using slow evaporation crystallization with nine different...
Are Hansen solubility parameters relevant in predicting the post-treatment effect on polyamide-based TFC membranes?
22/02/2024 - This study investigates the impact of solvent post-treatment on polyamide-based thin film composite (TFC) membranes, specifically examining the effect on commercial nanofiltration (NF) and reverse...
Preparation and properties of transparent, waterproof, and antibacterial composite film materials
21/02/2024 - Preparation of oriented polyethylene terephthalate/carbon nanotubes foams from waste polyethylene terephthalate bottles to enhance the water evaporation and electrical conductivity...
Well-established carbon nanomaterials: modification, characterization and dispersion in different solvents
20/02/2024 - Abstract Three different types of carbon nanomaterials, SWCNTs, MWCNTs and GNPs were prepared, modified, characterized, and their dispersibility behavior in three different...
Mucoadhesive Polymeric Polyologels Designed for the Treatment of Periodontal and Related Diseases of the Oral Cavity
21/02/2024 - The study objective was to design and characterise herein unreported polyologels composed of a range of diol and triol solvents and polyvinyl methyl ether-co-maleic acid (PVM/MA) and, determine their...
The Effect of Polymer–Solvent Interaction on the Swelling of Polymer Matrix Tablets: A Magnetic Resonance Microscopy Study Complemented by Bond Fluctuation Model Simulations
22/02/2024 - Polymer matrix tablets are an important drug-delivery system widely used for oral drug administration. Understanding the tablet hydration process, both experimentally and theoretically, is, thus,...
Hydrophobic glass and paper coatings based on plasma polymerized vegetable oils using a novel atmospheric pressure plasma concept
20/02/2024 - Generation of biomimetic layers from vegetable oils on paper by plasma?enhanced chemical vapor deposition at atmospheric pressure.Atmospheric pressure plasma polymerization represents a promising...
Fabrication optimization of polyethersulfone adsorptive mixed matrix membrane for enhanced dynamic methylene blue removal: Response surface methodology approach
20/02/2024 - Enhancing dynamic adsorption capacity of PES adsorptive mixed matrix membrane.In the present study, the polyethersulfone (PES)/graphene oxide (GO)/polyethylene glycol 200 (PEG?200) adsorptive mixed...
Preparation and properties of PC/PCTG blends with excellent optical properties and solvent resistance
20/02/2024 - In this study, blends of polycarbonate (PC) and Poly(1,4?Cyclohexylene Dimethylene Terephthalate Glycol) (PCTG) were synthesized using a twin?screw extruder. Four distinct PC/PCTG blends were...
Analyzing the antioxidant activity and fatty acid composition of monofloral mullein (Verbascum sp.) pollen oil obtained via various extraction techniques
17/02/2024 - This study focused on characterizing fatty acids and evaluating the antioxidant properties in oils extracted from mullein (Verbascum sp.) bee?collected pollen, utilizing soxhlet and...
Influence of defects and charges on the colloidalstabilization of graphene in water
18/02/2024 - Mastering graphene preparation is an essential step to its integration into practical applications.For large?scale purposes, full graphite exfoliation appears as a suitable route for...
Characterization of flexural and compressive behavior in polylactic acid composites for low?cost transtibial prosthetic applications: Influence of reinforcements
17/02/2024 - Self?healing thermoset soy protein?based resins with elongated microcapsules.AbstractSelf?healing green thermoset soy protein isolate (SPI) based resins, crosslinked with cinnamaldehyde (CA), were...