Materiales

 

Materiales

Direct Evidence of ?–? Interactions in Transparent Organic–Inorganic Polymer Hybrids of Polystyrene and Silica Gel
10/04/2024 - Polystyrene and silica gel polymer hybrids derived from polystyrene and phenyltrimethoxysilane via ?–? interactions were synthesized by a slight modification of the previous method. Spectroscopic...
Effectively adsorb Au(S2O3)23? using aminoguanidine as trapping group from thiosulfate solutions
27/05/2024 - Thiosulfate gold leaching is one of the most promising green cyanide-free gold extraction processes; however, the difficulty of recovering Au(I) from the leaching system hinders its further...
Intrinsically Noncombustible Thermosets from Sulfur?Containing Epoxy Resin and Benzoxazines: Evaluation of Thermal and Mechanical Properties
02/08/2023 - Benzoxazine (BZ)?epoxy copolymers exhibit favorable mechanical properties, but their thermal and flame?retardant characteristics are impaired at high epoxy fractions. Here, we report a new type of...
Introducing Ag Dopants into CdSe Nanoplatelets (NPLs) Leads to Effective Charge Separation for Better Photodetector Performance
22/05/2024 - Solution?processed colloidal cadmium chalcogenide nanoplatelets (NPLs)??based photodetectors (PD) are promising materials for next?generation optoelectronic devices due to their excellent optical...
Parametric Optimization of Proton Exchange Membrane Fuel Cell Using Chaotic Swarm Intelligence Technique
17/05/2024 - Two distinct PEMFC stacks, SR?12 and NedSstack PS?6, were studied in this project. The objective function was displayed by the SSE between the experimental and optimized models to confirm the...
Fabrication of Gradient Periodic Surface Structures on Stainless Steel Using Direct Laser Interference Patterning
13/05/2024 - In this work, the fabrication of gradient periodic line?like structures with continuously changing spatial period on stainless steel by means of two?beam direct laser interference patterning is...
Evaluation of exterior wall cavity fires using an intermediate scale test method
15/05/2024 - Cavities form an integral part of many external wall systems (EWSs). Numerous external wall fires worldwide have been primarily due to combustible exterior cladding. However, the Grenfell Tower and...
Microplastic in an apex predator: evidence from Barn owl (Tyto alba) pellets in two sites with different levels of anthropization
11/05/2024 - Plastic pollution in terrestrial and freshwater environments and its accumulation along food chains has been poorly studied in birds. The Barn owl (Tyto alba) is an opportunistic and nocturnal...
Burn Wound Healing Abilities of a Uronic Acid Containing Exopolysaccharide Produced by the Marine Bacterium Halomonas malpeensis YU-PRIM-29 T
- Abstract Bacterial exopolysaccharides (EPS) are an emerging class of biopolymers with extensive applications in different fields due to their versatile physico-chemical and...
Evaluation of various membranes at different fluxes to enable large?volume single?use perfusion bioreactors
04/05/2024 - This study evaluates perfusion cell culture performance and productivity at various membrane fluxes (1.5–5 LMH), utilizing three different membrane chemistries (polyvinylidene difluoride [PVDF],...
Effect of demineralized water on the silanization reaction and the performance properties of green tire tread compound
05/05/2024 - Graphical summary of the synthesis of core and shell particles of the final core?shell structure (PP/PS/PAN).AbstractCore?Shell (CS) polymeric particles have attracted great interest due to their...
Proton Domino Reactions at an Imidazole Relay Control the Oxidation of a TyrZ?His190 Artificial Mimic of Photosystem II
27/04/2024 - A close mimic of P680 and the TyrosineZ?Histidine190 pair in photosystem II (PS II) has been synthesized using a ruthenium chromophore and imidazole?phenol ligands. The intramolecular oxidation of...
Remediation of diesel contaminated soil by using activated persulfate with Fe3O4 magnetic nanoparticles: effect and mechanisms
28/04/2024 - In this study, Fe3O4 magnetic nanoparticles (Fe3O4 MNPs) were assessed for their ability to enhance the activity of persulfate (PS). Various controlling factors including PS dosages, initial pH,...
Design of a multi-electrode dielectric barrier discharge reactor and experimental study on the degradation of atrazine in water
29/04/2024 - Atrazine (ATZ) is widely used in agriculture as a triazine herbicide, and its long-term use can cause serious environmental pollution. This paper independently designed a multi-electrode reactor,...
Molecular dynamics simulation and experimental study on the effect of surfactants on the compatibility of P(S-DVB)-SO4/CeO2 composite interface
25/04/2024 - Abstract To improve the interfacial compatibility of core–shell composite abrasive composed of sulfate-modified divinylbenzene crosslinked polystyrene P(S-DVB)-SO4) and CeO2,...
Development and Study of Novel Ultrafiltration Membranes Based on Cellulose Acetate
28/04/2024 - Recently, increasing attention of researchers in the field of membrane technology has been paid to the development of membranes based on biopolymers. One of the well-proven polymers for the...
Influence of Biogenic Material Content on the Biodegradability of Styrene-Butadiene Composites with Incorporated Chlorella vulgaris Biomass
29/04/2024 - Bio-fillers are intensively studied for advanced polymer composite circular design and production. In this context, the algal biomass may be considered an important and relatively low-cost resource,...
Insights into the Degradation and Mechanism of the Enhanced Persulfate Degradation of Tetracycline using an Efficient 3D Copper Metal–Organic Frameworks
- One 3D Cu-based metal–organic frameworks (Cu-MOFs) was prepared by hydrothermal method as a catalyst for activating persulfate to degrade tetracycline. The degradation efficiency of TC was...
A Cobalt Complex from Terpyridine?Based Peptoid as an Efficient Catalyst for Visible Light Driven Water Oxidation
24/04/2024 - First peptoid?based visible light driven catalyst for water oxidation, namely TPT2Co that acts as an effective catalyst in phosphate buffer at pH?9.5 in the presence of photosensitizer (PS)...
Synergistic effects of in situ fibrillated polytetrafluoroethylene and polystyrene–butadiene block on the microcellular foaming behaviors of polyphenylene oxide modified by high?impact polystyrene
24/04/2024 - Flame?retardant mechanism of transparent and toughened EP.AbstractCurrently, the flame retardancy of epoxy resin (EP) was achieved at the expenses of the transparency and/or toughness. In the present...
Fabrication of Nanostructures Consisting of Composite Nanoparticles by Open-Air PLD
24/04/2024 - We present a two-step physical method for the fabrication of composite nanoparticle-based nanostructures. The proposed method is based on the pulsed laser deposition (PLD) technique performed...