Materiales avanzados

 

Materiales avanzados

Synthesis of Highly Porous Graphene Oxide–PEI Foams for Enhanced Sound Absorption in High-Frequency Regime
24/10/2024 - High-frequency noise exceeding 1 kHz has emerged as a pressing public health issue in industrial and occupational settings. In response to this challenge, the present study explores the development...
Production of Stable Electrically Conductive PVDF Membranes Based on Polydopamine-Polyethyleneimine—Assisted Deposition of Carbon Nanotubes
- Electrically conductive membranes (ECMs) have emerged as a multifunctional separation technology that integrates membrane filtration with electrochemical reactions. Physical stability remains a...
Self?cleaning antireflected surfaces based on treated PEO/SiO2 nanocomposite films
21/03/2024 - Schematic diagram of TFN?U2Cx structure.AbstractWith the growing complexity of separation systems, the application of thin film composite nanofiltration (TFN) membranes in organic solvent separation...
Effects of Pyrolysis Temperature and Acid-Base Pre-Treatment on the Synthesis of Biochar-Based Slow-Release Selenium Fertilizer and Its Release in Soil
14/02/2024 - Plant-derived selenium is an important source of selenium (Se) for humans, which, however, has been restricted by a low content of Se in soil. Traditional Se fertilizers have tended to result in low...
Mild preparation of amino-functionalized graphene oxide-based recyclable aerogel to efficiently adsorb methyl orange
07/10/2023 - Abstract With acrylamide (AM), methacryloxyethyltrimethyl ammonium chloride, polyethyleneimine ethoxylated (PEI), and graphene oxide (GO) as the raw materials, an...
Life Cycle Assessment as Support Tool for Development of Novel Polyelectrolyte Materials Used for Wastewater Treatment
23/02/2023 - This life cycle assessment (LCA) study focused on comparing the environmental performances of two types of synthesis strategies for polyethyleneimine (PEI) coated silica particles (organic/inorganic...
Recent Advances in Lignocellulose-Based Monomers and Their Polymerization
07/02/2023 - Replacing fossil-based polymers with renewable bio-based polymers is one of the most promising ways to solve the environmental issues and climate change we human beings are facing. The production of...
Modification of Liquid Separation Membranes Using Multidimensional Nanomaterials: Revealing the Roles of Dimension Based on Classical Titanium Dioxide
21/01/2023 - Membrane technology has become increasingly popular and important for separation processes in industries, as well as for desalination and wastewater treatment. Over the last decade, the merger of...
Construction of a recyclable chitosan-based aerogel-supported TiO2 catalyst for treating high-concentration surfactants
15/02/2023 - As high-concentration anionic surfactants easily form micelles, powdery catalysts exhibit low photocatalytic performance for treating anionic surfactants and are difficult to recycle. In this...
Electronic effects of amine-imine nickel and palladium catalysts on ethylene (co)polymerization
- A series of bis-(aryl)-amine-imine nickel and palladium complexes with electron-donating (OMe), H, and -withdrawing (F and Br) groups at the para-aryl position were synthesized and...
A novel three-dimensionally ordered macroporous aerogel for capturing radioactive gaseous iodine
- To further improve the adsorption capacity of radioiodine in nuclear industry waste gas, the sol-gel combined with colloidal crystal template method was used to successfully introduce a...
Metagenomics of Virus Diversities in Solid-State Brewing Process of Traditional Chinese Vinegar
21/10/2022 - Traditional Chinese vinegar offers an exceptional flavor and rich nutrients due to its unique solid-state fermentation process, which is a multiple microbial fermentation system including various...
Green Preparation of Aminated Magnetic PMMA Microspheres via EB Irradiation and Its Highly Efficient Uptake of Ce(III)
21/09/2022 - The modification of polymers can significantly improve the ability to remove rare earth ions from wastewater, but so far few studies have focused on the irradiation-induced grafting method. In this...
Anti-fouling and highly permeable thin-film composite forward osmosis membranes based on the reactive polyvinylidene fluoride porous substrates
- Currently, thin-film composite (TFC) forward osmosis (FO) membranes are widely developed for wastewater purification, although it is a pressing subject to further improve its permeability,...
In silico, synthesis and anticancer evaluation of benzamide tryptamine derivatives as novel eEF2K inhibitors
01/07/2022 - Eukaryotic elongation factor 2 kinase (eEF2K), a member of the atypical ?-kinase family, is highly expressed in a variety of tumor tissues. Inhibition of eEF2K function can effectively kill cancer...
Nitrogen-doped graphene aerogel-supported ruthenium nanocrystals for pH-universal hydrogen evolution reaction
01/06/2022 - The design and synthesis of high-performance and low-cost electrocatalysts for the hydrogen evolution reaction (HER), a key half-reaction in water electrolysis, are essential. Owing to their...
Ultra-stretchable, adhesive, and self-healing MXene/polyampholytes hydrogel as flexible and wearable epidermal sensors
- The hydrogel-based epidermal sensors have attracted tremendous attention due to their versatile potential applications in soft robotics, personal healthcare monitoring, and electronic skins....
Study on the compounding of a new type of trimer epoxy resin curing agent
19/03/2022 - This article shows that the post?polymerization modification of the polyetherimide (PEI) Ultem 1000 employing Friedel?Crafts acylation is a suitable method to decrease the polymer glass transition...
SiBNCx ceramics derived from single source polymeric precursor with controllable carbon structures for highly efficient electromagnetic wave absorption at high temperature
01/03/2022 - Precursor derived ceramic with controllable carbon content has the advantages of high temperature and adjustable dielectric properties, which has significant potential for the research the high...
Synthesis of a New Phosphonate-Based Sorbent and Characterization of Its Interactions with Lanthanum (III) and Terbium (III)
08/05/2021 - High-tech applications require increasing amounts of rare earth elements (REE). Their recovery from low-grade minerals and their recycling from secondary sources (as waste materials) are of critical...