Economía Circular

 

Economía Circular

Solvent Engineering of Thermo?Responsive Hydrogels Facilitates Strong and Large Contractile Actuations
22/07/2024 - Robust poly(N?isopropylacrylamide) (pNIPAAm) hydrogels are fabricated through solvent engineering. A particular solvent interacts affinitively with the NIPAAm monomer, solubilizes the monomer with...
Flexible, transparent, and durable slippery liquid?infused porous surface achieved by void?centered PVDF?co?HFP membrane for self?cleaning antifog coating
23/07/2024 - An oligomer deep eutectic solvent (DES) is used to promote rubber vulcanization and silica dispersity. The DES could reduce tan? and weaken weak strain overshoot accompanying Payne effect, and could...
A new application of avocado oil to enrich the biological activities of polycaprolactone membranes for tissue engineering
19/07/2024 - The metabolites synthesized by plants to protect themselves serves as natural antimicrobial agents used in biomaterials. In this study, avocado oil (AO), was incorporated as a plant source and...
Carbon Dots in Photodynamic Therapy: The Role of Dopant and Solvent on Optical and Photo?Responsive Properties
20/07/2024 - Carbon dots (CDs) are novel carbon?based luminescent materials with wide?ranging applications in biosensing, bioimaging, drug transportation, optical devices, and beyond. Their advantageous...
White Light Emission from Zn(II) and DMSO?Induced Copper Nanocluster Assembly
19/07/2024 - An assembly of metal nanoclusters driven by appropriate surface ligands and solvent environment may engender entirely new photoluminescence (PL). Herein, we first synthesize histidine (His)...
Application of Cyrene solvent for the fabrication of polymethyl methacrylate, polyethyl methacrylate and composite films containing hydroxyapatite and diamonds
15/07/2024 - A perylene?terminated star elastomers (PSE) was designed and synthesized, which can self?assemble firstly into nanofibers with dual?layer skin?core structure, secondly into twisted multi?nanoropes,...
Far?Red Aggregation?Induced Emission Hydrogel?Reinforced Tissue Clearing for 3D Vasculature Imaging of Whole Lung and Whole Tumor
14/07/2024 - Understanding the vascular formation in metastatic lung tumors is a significant challenge due to autofluorescence, antibody/dye diffusion in dense tumor, and fluorophore stability when exposed to...
Development of a supramolecular solvent–based extraction method for application to quantitative analyses of a wide range of organic contaminants in indoor dust
- This study investigates the efficacy of supramolecular solvent (SUPRAS) in extracting a diverse spectrum of organic contaminants from indoor dust. Initially, seven distinct SUPRAS were assessed...
Deep?Ultraviolet Photoexcitation of Aqueous Urea Forms Carbamic Acid/Carbamate in Less Than One Picosecond
11/07/2024 - This study investigates the photochemistry of aqueous urea under 200?nm UV irradiation. Besides a low extinction coefficient – intramolecular vibrational coupling and effective energy dissipation...
High?Entropy Lanthanide–Organic Framework as an Efficient Heterogeneous Catalyst for Cycloaddition of CO2 with Epoxides and Knoevenagel Condensation
11/07/2024 - A high?entropy lanthanide–organic framework (HE?LnMOF) heterogeneous catalyst toward sustainable CO2 conversion reactions. The five rare earth metals were well?dispersed and randomly distributed in...
UoC?2: A Fluorinated Derivative of the Robust Metal?Organic Framework MFM?300
12/07/2024 - By incorporating mono? or difluorinated BPTC (biphenyl?3,3’,5,5’?tetracarboxylate) linkers, the first fluorinated MOFs with MFM?300 topology are obtained. They contain Ga3+ or In3+ nodes and are...
Covalently attached phosphonic acid?Si2O3?PEO polymer membranes for PEMFC applications
15/07/2024 - Development of composite films.AbstractCyrene is a new biodegradable solvent, which represents a green alternative to many traditional toxic solvents for advanced polymers. Therefore, this...
Transforming Polycotton Textile Waste into New Bicomponent Fibers: An Investigative Study
10/07/2024 - This study aimed to develop an innovative recycling method for end?of?life polycotton textiles, eliminating the need for component separation. The use of 1?ethyl?3?methylimidazolium acetate...
Rapid analysis of untreated food samples by gel loading tip spray ionization mass spectrometry
- Rapid, efficient, versatile, easy-to-use, and non-expensive analytical approaches are globally demanded for food analysis. Many ambient ionization approaches based on electrospray ionization (ESI)...
A Well?defined Magnesium Complex of C706?
10/07/2024 - Controlling and understanding charge state and metal coordination in carbon nanomaterials is crucial to harnessing their unique properties. Here we describe the synthesis of the well?defined...
Polymeric laser rods based on modified poly(methyl methacrylate) matrix synthesized by FeIII complex catalyzed atom transfer radical polymerization with enhanced optical gain and Photostability
09/07/2024 - Quantitative and qualitative LC?MS analysis of four commercially available photocomposite dental fillings was conducted. Samples were incubated in various solvents and temperatures for up to 30 days....
Suppressing Protodeboronation in Cu?Mediated 19F/18F?Fluorination of Arylboronic Acids: A Mechanistically Guided Approach Towards Optimized PET Probe Development
03/07/2024 - Fluorinated arenes play a crucial role in drug discovery, specialty materials, and medical imaging. Although several variants for Cu?mediated nucleophilic fluorination of arylboronic acids and...
Excited?state Dynamics in Segregated Donor?acceptor Stacks Versus A Peri?bisdonor?acceptor System
02/07/2024 - The investigation of impact of through?space/through?bond electronic interaction among chromophores on photoexcited?state properties has immense potential owing to the distinct emergent photophysical...
Lead Bromide Complex in Tri?n?octylphosphine Oxide Matrix with Bright Photoluminance and Exceptional Thermoplasticity
02/07/2024 - Metal halide materials have recently drawn increasing research interest for their excellent opto?electronic properties and structural diversity, but their resulting rigid structures render them...
Flow Field Simulation and Experimental Study of Centrifugal Spinning
02/07/2024 - Centrifugal spinning has demonstrated to be one of the effective techniques for the preparation of micro-/nanofibers. It is utilizing centrifugal force to extrude polymer solution/melt out of the...
Deep eutectic solvent engineered GO/ZrO2 nanofiller for mixed matrix membranes: An efficient hydrogen gas separation
03/07/2024 - The self?healing polyurethane (PUGI?D3B2) constructed by two chain extenders selected in this study has excellent mechanical strength (15.34?MPa), good toughness (81.95?MJ?m?3), and its surface...