Economía Circular

 

Economía Circular

Biochemical Characterization of a Marine Pseudoalteromonas citrea-Derived Fatty Acyl-AMP Ligase That Exhibits N-Acyl Amino Acid Synthetic Activity
- Abstract Activation of fatty acids as acyl-adenylates by fatty acid-AMP ligase (FAAL) is a well-established process contributing to the formation of various functional natural...
Dissolving Chitin by Novel Deep Eutectic Solvents for Effectively Enzymatic Hydrolysis
- Abstract Chitin is the most productive nitrogen-containing polysaccharide in nature with immense potential for transforming into a range of chemicals. However, its dense crystal...
Biosynthesis of Feruloyl Glycerol from Ferulic Acid and Glycerol Through a Two-Enzyme Cascade Reaction
- Abstract Feruloyl glycerol (FG) has a variety of biological activities, but the green synthesis methods of FG remain rare. In this study, FG was prepared by a cascade reaction...
Preparation of Cellulose Fiber from Cattail Using Two-Stage Pretreatment and Choline Chloride-Oxalic Acid Deep Eutectic Solvent Extraction for Oil Adsorption
- The aim of this study was to produce cellulose fibers from cattails through a sequence of hydrothermal pretreatment (HTP) and alkaline pretreatment, followed by the synthesis of a deep eutectic...
Encapsulation of organic ultraviolet photoprotective actives into poly(methyl methacrylate) nanoparticles for sunscreen formulations
16/06/2024 - Deep eutectic solvents as sustainable medium for electsopinning of biopolymers.AbstractElectrospinning is currently one of the most used techniques for obtaining various types of nanofibers. In the...
N?Hydroxyalkanamide Based Organo/hydrogels as Novel Scaffolds for pH?Dependent Metronidazole and Theophylline Release
12/06/2024 - The traditional delivery of metronidazole and theophylline presents challenges like bitter taste, variable absorption, and side effects. However, gel?based systems offer advantages including enhanced...
Dual?Responsive Gradient Structured Actuator via Photopolymerization?Induced Diffusion
12/06/2024 - A method has been developed for the fabrication of gradient?structured actuators with cross?link variation by using two distinct photoinitiator systems to selectively trigger thiol?ene polymerization...
Estimating Recovery in the Evaporation Chemical Space
01/09/2024 - Abstract Evaporation is a commonly used extract preparation technique in chemical characterization testing which can greatly impact the observed extractables. Although ideally...
Multifaceted Applications of Solid Lipid: A Comprehensive Review
01/09/2024 - Abstract Lipids originate from plant and animal sources and have significant roles in various fields, like pharmaceuticals, cosmetics, food, paint, leather, agriculture,...
The methods for improving the biodegradability of oily sludge: a critical review
13/06/2024 - Biological degradation method, as an environmentally friendly, low-carbon, and clean pollution treatment technology, is widely used for the harmless disposal of oily sludge. The biodegradability...
Efficient Dynamic Crosslinking for Compatibilizing Immiscible Mixed Plastics through in situ Generated Singlet Nitrenes
07/06/2024 - Creating a sustainable economy for plastics demands the exploration of new strategies for efficient management of mixed plastic waste. The inherent incompatibility of different plastics poses a major...
Assessing the reinforcement effect by response surface methodology of holocellulose from spent coffee grounds on biopolymeric films as food packaging materials
07/06/2024 - The pollution caused by petroleum?derived plastic materials has become a major environmental problem that has encouraged the development of new compostable and environmentally friendly materials for...
Crystal to Hydrogel Transformation in S?Benzyl?L?Cysteine?Containing Cyclic Dipeptides ? Nanostructure Elucidation and Applications
09/06/2024 - Cyclic dipeptides (CDPs) are crucial building blocks for a range of functional nanomaterials due to their simple chemical structure and high molecular stability. In this investigation, we synthesized...
Advances in Mixed Tin?Lead Narrow?Bandgap Perovskites for Single?Junction and All?Perovskite Tandem Solar Cells
05/06/2024 - This review summarizes the development of tin?lead perovskites and their applications in single?junction and all?perovskite tandem solar cells. The fundamental structural and optoelectronic...
Precisely Controlling Polymer Acceptors with Weak Intramolecular Charge Transfer Effect and Superior Coplanarity for Efficient Indoor All?Polymer Solar Cells with over 27% Efficiency
05/06/2024 - Herein, a successful design strategy of medium?bandgap polymer acceptor, PYFO?V, is presented for indoor all?polymer solar cell operation. By the synergy of alkoxy chains and vinylene spacers onto...
Dynamic Cleavage?Remodeling of Covalent Organic Networks into Multidimensional Superstructures
04/06/2024 - Superstructures with complex hierarchical spatial configurations exhibit broader structural depth than single hierarchical structures and the associated broader application prospects. However,...
Novel ferrofluid based on hydrophobic deep eutectic solvents for separation and analysis of trace estrogens in environmental water and urine samples
- A novel ferrofluid prepared from a hydrophobic deep eutectic solvent (DES) and Fe3O4@graphite composite materials was introduced as a green microextraction medium for the separation and...
Elucidating solvent effects on lipase?catalyzed peroxyacid synthesis through activity?based kinetics and molecular dynamics
04/06/2024 - Peroxyacid synthesis is the first step in the industrially relevant Prilezhaev epoxidation. Due to poor mutual substrates solubility, this methodology often comprises a liquid?liquid system in which...
Hybrid Ethylcellulose Polymeric Films: Ag(I)?Based Components and Curcumin as Reinforcing Ingredients for Enhanced Food Packaging Properties
04/06/2024 - Bio?active ethylcellulose (EC) polymeric films have been obtained by incorporating curcumin (curc) and Ag(I)?based compounds, known for their antioxidant and antimicrobial activity, respectively,...
Transition Behaviors of Isostructural Hydrogen?Bonded Frameworks Composed of Naphthalene, Quinoxaline, and Pyrazinopyrazine Derivatives
04/06/2024 - A series of isostructural reticular frameworks with systematic differences on chemical structures allows us to disclose correlations between specific structural factors and properties, providing...
Pathway Selection in Temporal Evolution of Supramolecular Polymers of Ionic ??Systems: Amphiphilic Organic Solvent Dictates the Fate of Water
04/06/2024 - AOS dictates aqueous: The temporal evolution of short supramolecular polymers (SPs) of ionic ??systems into long SP networks in water and amphiphilic organic solvent (AOS) mixture follows two...