Economía Circular

 

Economía Circular

Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere
23/03/2026 - In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron...
Engineering‐Grade Macroscale Superlubricity Under Ultrahigh Contact Pressure in Atmospheric Air via Multiscale Synergistic Meta‐Interfaces
25/03/2026 - An across‐scale synergistic strategy from macro‐contact to atomic lattice is proposed for superlubricity under ultrahigh pressure in air, which arises from four synergistic factors: normalized...
Machine Learning–Assisted Bio‐Interfacial Engineering Resolves Structural–Functional Conflicts in Nanocomposites
25/03/2026 - A machine learning‐guided bio‐interfacial design strategy resolves the long‐standing strength–toughness–functionality trade‐off in nanocomposites. By efficiently mapping...
Development of a highly sensitive electrochemical immunosensor and lateral flow immunoassay for enrofloxacin using optimized haptens
- Owing to the rapid expansion of the aquaculture industry, the veterinary antibiotic enrofloxacin (ENR) has become a widespread contaminant of concern in environmental and food safety fields. To...
In Vivo Multi‐Enzymatic Catalysis for Bioproduction of L‐Lactic Acid from Sole Methanol
23/03/2026 - Graphical Abstract and Lay SummaryThe biotransformation of methanol to L‐lactate links carbon neutrality to bioplastic production. We developed an in vivo multi‐enzymatic system using glucose for...
EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites
22/03/2026 - Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance....
Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments
19/03/2026 - Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected...
Direct Photoconversion of Shale Gas into Liquid Oxygenates Over Interfacially Coupled Ni/ZnO Nanomesh
21/03/2026 - We have successfully achieved the direct solar‐driven conversion of shale gas into value‐added alcohols in record‐high productivity and stability, over interfacially coupled Ni nanoparticles...
Broadband Reflective Cholesteric Liquid Crystals for Low‐Blue Circularly Polarized Light Generation in the Visible Region
22/03/2026 - By simple transformation and initiator‐free photopolymerization, a broadband reflection cholesteric liquid crystal (YMZ‐5) with blue‐selectivity was prepared. This material enables multicolour...
Turning Sunlight and Seawater Into Energy: Photocatalytic Hydrogen Peroxide as a Green Fuel Carrier
20/03/2026 - Photocatalytic hydrogen peroxide production from seawater and sunlight is presented as a promising pathway toward sustainable energy conversion. This review elucidates reaction mechanisms, seawater...
Evaluation of isotope-dilution mass spectrometry, internal standard, and external standard methods for PFAS quantification in tap water and soil
- Accurate quantification of per- and polyfluoroalkyl substances (PFAS) in environmental matrices is crucial for reliable exposure assessment but remains challenging owing to low concentrations and...
Not one-size-fits-all: µ-FTIR and pyrolysis GC-MS for complementary analysis of microplastics in eutrophic surface water
- This study reports large microplastics found in Lake Victoria through an analytical workflow that combines the complementary methods stereomicroscopy, micro-Fourier transform infrared (µ-FTIR)...
Surface characterization of curcumin-visualized latent fingerprints on metal surfaces
- Visualization of latent fingerprints (LFPs) on metal surfaces using curcumin (CUR) remains a largely underexplored approach. Here, CUR was applied for LFP visualization on brass, steel, Al, and Cu...