Economía Circular
Economía Circular
Quantification of poly(ethylene terephthalate) in environmental samples after methanolysis via gas chromatography–mass spectrometry
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Quantification of the polyester poly(ethylene terephthalate) (PET) in environmental samples is a particular challenge. Due to strong matrix effects by inorganic compounds, thermoanalytical methods...
High‐Conversion Microreactor for Hydrogenation of Organic Waste
08/07/2025 -
In this research, a highly efficient and stable catalytic layer loaded with palladium nanoparticles was successfully prepared in a microchannel reactor by layer‐by‐layer self‐assembly and ion...
Aramid Nanofiber Aerogels: Preparation, Modification, Composite Fabrication, and Applications
06/07/2025 -
Different forms of aramid nanofibers (ANFs) and especially aerogels from them, offer a sustainable route to high‐performance biomimetic nanocomposites. Due to the cartilage‐like architecture,...
Closed‐Loop and Selective Recyclable Fluoro‐Containing Graft Copolymers with Diverse Applications
04/07/2025 -
The research develops a fluoro‐containing graft copolymer whose side chains can be selectively “disintegrated” into monomers and “re‐grafted,” in which both the “ungrafted” backbone...
The Development and Utilization of Ecofriendly and High‐Performance Materials in the Marine Environment
01/07/2025 -
Developing new marine materials to solve marine problems is facing more and more challenges. Researchers have proposed corresponding advanced methods to design and prepare high‐performance marine...
Self‐Powered α Radionuclide Nanomedicine: Mitochondria‐Targeted Multimodal Energy Recycling for Amplified Radioimmunotherapy
02/07/2025 -
A multifunctional nanomedicine co‐loading of the α‐emitter 223RaCl2 within iron‐based MOFs is developed. Precisely targeted to mitochondria, it exploits the full decay spectrum to synchronize...
Porous Elastomer Film with Controlled Liquid‐Metal Distribution for Recyclable Highly Customizable and Stretchable Patterned Electronics
01/07/2025 -
This study presents a customizable porous liquid‐metal (LM)/elastomer composite film with controlled LM distribution, overcoming conventional limitations of LM‐based composites (unintended...
A Light‐Driven Closed‐Loop Chemical Recycling System for Polypinacols
29/06/2025 -
This study presents a novel strategy for the photochemical closed‐loop recycling of hydroxyl‐rich polymers. Simple bis‐aldehyde precursors are employed to synthesize polypinacols via UV light...
Becoming fully circular facilitated by PAT
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Process analytical technologies (PAT) have contributed to helping industrial processes become more efficient, more sustainable, safer, and more reliable for more than two decades. Real-time...
Constructing Asymmetric Sn‐Cu‐C Interface via Defective Carbon Trapped Atomic Clusters for Efficient Neutral Nitrate Reduction
25/06/2025 -
This work constructs asymmetric Sn‐Cu‐C interface via anchoring SnCu atomic clusters on carbon defects. Such as‐synthesized SnCu‐DG catalyst achieves a high NH3 Faradaic efficiency (99.5%)...
Sol–Gel Synthesis of Ca2.5Ag0.3Sm0.2Co4O9 Semiconducting Materials for Thermoelectric Applications in Aerospace Systems
20/06/2025 -
Ca2.5Ag0.3Sm0.2Co4O9 semiconductor materials are synthesized and produced in this study using the sol–gel and cold pressing techniques for thermoelectric generator applications. As template samples...
Fabrication of Organic/Inorganic Nanocomposites: From Traditional Synthesis to Additive Manufacturing
23/06/2025 -
It provides an overview of the synthesis of organic/inorganic nanocomposites, spanning from conventional methods to advanced 3D printing techniques. It summarizes key challenges in 3D‐printed...
Extra “Knob” to Microstructural Engineering for Metals and Alloys via Transient Athermal Electropulsing Treatment
17/06/2025 -
Athermal electropulsing treatment is demonstrated as a novel microstructural engineering strategy to refine grains, promote nanocarbide precipitation, and heal defects in M50 bearing steel. This...
Unlocking NIR‐II Photoluminescence in 2D Copper Tetrasilicate Nanosheets through Flame Spray Synthesis
13/06/2025 -
A flame‐spray‐pyrolysis method is presented to synthesize ultra‐bright CTS nanosheets with tunable NIR‐II emission. Achieving quantum yields up to 34%, these materials support high‐speed...
Titanium‐S23: A New Alloy with Ultra‐High Tensile Toughness Directly from the Solid‐State Processing of Recycled Ti–6Al–4V and Ti–5Al–5Mo–5V–3Cr Powders using Field Assisted Sintering Technology
10/06/2025 -
This study explores combining two existing aerospace titanium alloy powders, processing them via field‐assisted sintering technology and the subsequent discovery of a novel alloy composition,...
Highly Robust and Conductive Polymer Electrodes for Droplet Energy Harvesting and Printable On‐Skin Electronics
10/06/2025 -
A bi‐continuous polymer electrode (BC‐PE) is developed by using PBFDO as the electrical phase and TPU as the mechanical phase, featuring exceptional properties including high conductivity,...
Pyrolysis‐Free Covalent Organic Polymer Efficiently Driving Proton‐Exchange‐Membrane Fuel Cells by Covalent Grafting Strategy
09/06/2025 -
A covalent grafting strategy is proposed to fabricate a lamellar COP network COP@G, which is achieved by edge‐functionalizing COP with aromatic primary amine groups, followed by diazotization...
Green sample preparation for anthocyanin extraction from purple corn: analytical evaluation of pressurized liquid and ultrasound-assisted extraction using sustainable solvents
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This study presents an analytical comparison of two extraction techniques—pressurized liquid extraction (PLE) and ultrasound-assisted extraction (UAE)—for the recovery of anthocyanins from...
Co‐Pyrolysis of Calophyllum inophyllum Seeds and Polypropylene: Thermokinetics and Batch Studies
09/06/2025 -
This study explores co‐pyrolysis of Tamanu seed (TS) and waste polypropylene (PP) from saline bottles for sustainable energy. Process optimization, product characterization, kinetic modeling...
Rewiring Cupriavidus necator for Enhanced Polyhydroxybutyrate Production via Genetic Toolkits and Feeding Strategy
07/06/2025 -
The genetic toolbox has been launched for Cupriavidus necator H16 by optimizing constitutive and inducible systems. By applying Glk and GalP in co‐expression through the suitable vector, it...
Modular Molecular Editing of End‐of‐Life PBT for High‐Performance Sustainable and 3D‐Printable Platforms
04/06/2025 -
Inspired by DNA editing, a modular molecular editing strategy is proposed to upcycle end‐of‐life poly(butylene terephthalate) (PBT) into a high‐performance, sustainable, and 3D‐printable...
