Circular Economy

 

Circular Economy

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...
Pretreatments Applied to Wheat Straw to Obtain Bioethanol
17/02/2024 - This work is a comprehensive study focusing on various methods for processing wheat straw to enhance its suitability for bioethanol production. It delves into mechanical, physical, chemical, and...
Green Solvents for Extraction of Natural Food Colorants from Plants: Selectivity and Stability Issues
16/02/2024 - Consumers associate the color of food with its freshness and quality. More and more attention is being paid to natural colorants that bring additional health benefits to humans. Such natural...
Efficient and Selective Extraction of Rhamnogalacturonan-I-Enriched Pectic Polysaccharides from Tartary Buckwheat Leaves Using Deep-Eutectic-Solvent-Based Techniques
19/02/2024 - Tartary buckwheat green leaves are considered to be among the most important by-products in the buckwheat industry. Although Tartary buckwheat green leaves are abundant in pectic polysaccharides,...
Cellulose Acetate–Ionic Liquid Blends as Potential Polymers for Efficient CO2 Separation Membranes
18/02/2024 - CO2 capture, applied in CO2 separation from natural gas or in CO2/N2 separation from power plant flue gas streams, is of great importance for technical, economic, and environmental reasons. The...
Degradation of Sulfamethoxazole by Activation of Persulfate Based on Nitrogen-Doped Mesoporous Carbon
- In this study, novel nitrogen-doped mesoporous carbon was prepared using solvent evaporation self-assembly method and used to activate persulfate for sulfamethoxazole (SMZ) degradation. The...
Multi?Interfacial Confined Assembly of Colloidal Quantum Dots Quasi?Superlattice Microcavities for High?Resolution Full?Color Microlaser Arrays
13/02/2024 - Colloidal quantum dots (CQDs) are considered a promising material for the next generation of integrated display devices due to their designable optical bandgap and low energy consumption. Owing to...
Evaluation of deep eutectic solvents chiral selectors based on lactobionic acid in capillary electrophoresis
- Recently, deep eutectic solvents (DESs) have attracted considerable interest in analytical chemistry. This work described the enantioseparations of twenty amino alcohol drugs with several DESs...
Solid state synthesis of Liquorice?stabilized copper?based nanoparticles: structural and catalytic studies
15/02/2024 - A large?scale quantity of copper oxalate nanoparticles were successfully obtained via a facile and green solid?state chemical reaction. Copper oxalate nanoparticles were obtained by ball?milling...
Reusable UiO-66-NH2 Functionalized Polyacrylonitrile Nanofiber Membrane for Effective Removal of Cr(VI) from Water
13/02/2024 - Metal–organic framework UiO-66-NH2 powder used for effective removal of Cr(VI) from water is difficult to recover after usage. In this study, UiO-66-NH2 was in-situ grown on polyacrylonitrile...