Materiales avanzados

 

Materiales avanzados

Nanoemulsion based lipid nanoparticles for effective demethylcantharidin delivery to cure liver cancer
19/07/2024 - Demethylcantharidin (DEM) is a widely used antitumor drug; however, its poor tumor targeting and serious organotoxicity limit its application. The aim of this study was to develop a new drug delivery...
Polyarylene?Based Anion Exchange Membranes for Fuel Cells
19/07/2024 - Polyarylene?based anion exchange membranes feature ether?free, high molecular weight, and high pKa aromatic polymer networks. Designing strategies, including balancing rigid and flexible segments in...
Tracking microenvironmental response on self?assembled phthalocyanine systems – adaptive and non?adaptive antibacterial photosensitization
21/07/2024 - Self?assembly has proven to be one of the effective methods for the formation of nanoscale therapeutics without the need to use nanodelivery systems. Such minimal models of supramolecular systems...
Study on filament deflection in lattice porous structures fabricated through direct ink writing
18/07/2024 - Direct ink writing (DIW) technology supersedes traditional mold?based forming methods, significantly enhancing the fabrication of personalized and customized products with complex structures. This...
Linking the removal of enrofloxacin to the extracellular polymers of microalgae in water bodies: A case study focusing on the shifts in microbial communities
17/07/2024 - Microalgae can promote antibiotic removal, which has attracted growing attention. However, its synergistic removal performance with bacteria in antibiotic pollutants is still poorly understood. In...
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,...
The capacitance and shape memory effect of highly stretchable and flexible nanocomposite electrodes based on polyaniline
15/07/2024 - Fabrication and characterization of new PEM formulations PA?Si2O3?PEO with covalently attached phosphonic acid, PA, afford robust, transparent, self?standing membranes in four of five families...
Ultrasensitive Wearable Pressure Sensors with Stress?Concentrated Tip?Array Design for Long?Term Bimodal Identification
15/07/2024 - The nonfully conformal interface between the skin and electronics leads to further dissipation of weak physiological signals. This work enhances the mechanical transfer efficiency from behavior and...
A Screening Apparatus for Comparing the Fouling Resistance of Heat Exchanger Surfaces
15/07/2024 - For comparing the fouling resistance on different metallic heat exchanger surfaces, a screening apparatus and corresponding standardizable procedure were developed. Three differently treated metallic...
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...
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...
Preparation of water-based ink binders from acrylic-modified rosin resins
12/07/2024 - AbstractIn this study, rosin polyethylene glycol ester was prepared by the reaction of natural rosin with PEG-400. It was modified with acrylic acid to prepare water-based ink binders. The results...
Self?Assembly of Discrete Multi?Chromophoric Systems
10/07/2024 - Self?assembly of multi?chromophoric systems can provide highly ordered materials with distinct optoelectronic properties. Self?assembled materials through crystal, liquid crystal and supramolecular...
New Synthetic Non-toxic Mono-azo Acid Dyes with Prominent Antibacterial Properties for Potential Application on Polyamide Fabrics
11/07/2024 - In pursuit of improving dyeability and incorporating antimicrobial attributes into polyamide fabric, a series of mono-azo acid dyes (SN1–SN5) were synthesized. Sulfathiazole was...
Tribological properties of dimensionally stable and high strength Kevlar polyimide composite aerogels
09/07/2024 - During the phase inversion, PSf?g?PMMA covers the membrane surface and pores, enhancing porosity and hydrophilicity.AbstractIn this work, using the combination of atom transfer radical polymerization...
Biodegradable Ferroelectric Molecular Plastic Crystal HOCH2(CF2)7CH2OH Structurally Inspired by Polyvinylidene Fluoride
06/07/2024 - A molecular ferroelectric crystal PFND with a 2D hydrogen bond network structure is discovered following the construction idea of ferroelectric PVDF. By decreasing the number of ?CF2? groups from...
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...
Riverbed depth-specific microplastics distribution and potential use as process marker
04/07/2024 - Riverbed sediments have been identified as temporary and long-term accumulation sites for microplastic particles (MPs), but the relocation and retention mechanisms in riverbeds still need to be...
The Role of Natural Fiber Reinforcement in Thermoplastic Elastomers Biocomposites
04/07/2024 - Thermoplastic elastomers (TPEs) have emerged as versatile materials with unique properties, allowing for easy processing and recyclability. This study explores TPE composites reinforced with...
Effects of chain extender types and contents on the properties of modified recycled polyethylene terephthalate
03/07/2024 - The synthesis and properties of RPUF?P and RPUF?PPOA.AbstractTwo types of bio?based RPUFs (RPUF?P and RPUF?PPOA) were prepared that contained ethanol?modified polyols (Polyol?E) and one contained an...
Comparing Calcium Sulfate Fouling on Polymeric and Metal Heat Transfer Surfaces
29/06/2024 - The fouling behavior of two polymer surfaces and benchmark steel in calcium sulfate solution is investigated for a wide range of process parameters. Two different experimental setups, which allow to...