Economía Circular
Economía Circular
Additive Manufacturing of Hot Work Tool Steel by Laser Powder Bed Fusion Utilizing Powder Mixtures Including Grinding Chips: Assessing Chemical Homogeneity and Achievable Hardness
16/11/2025 -
Grinding chips of high‐alloyed steel are prepared to be admixed to a starting powder mixture for laser powder bed fusion. A three‐stage preparation is performed, including washing in acetone,...
Bioinspired Janus Spider‐Web Nanofibrous Membranes Integrating Triboelectric Energy Harvesting, Adaptive Thermo‐Moisture Regulation, and Bactericidal Activity for Multifunctional Wearables
17/11/2025 -
A spider‐web‐inspired Janus ferroelectric nanofibrous membrane integrates asymmetric wettability, high porosity, and robust flexibility. The membrane achieves self‐powered thermo‐moisture...
Beyond Conventional Cooling: Advanced Micro/Nanostructures for Managing Extreme Heat Flux
17/11/2025 -
This review examines the design, application, and manufacturing of biomimetic or engineered micro/nanostructures for managing high heat‐flux in multi‐level electronics by enhancing conductive,...
Non‐Halogenated Solvent Processed Shortwave Infrared Organic Photodetectors Using Sub‐1 eV Bandgap Acceptor with Cyano Substitution
17/11/2025 -
An organic photodetector using a cyano‐substituted non‐fullerene acceptor (6CN) achieves efficient shortwave infrared (SWIR) detection up to 1250 nm. Processed from the eco‐friendly solvent...
Trace Oxygen‐Assisted Synthesis of High‐Quality Graphene with Improved Electrical Performance
17/11/2025 -
This study reveals the critical role of trace oxygen in graphene synthesis. Superclean graphene films are synthesized via trace oxygen‐assisted chemical vapor deposition. Experimental and...
Organic Layer Bridged 3D/2D Perovskite Heterojunction for Efficient and Stable All‐Perovskite Tandem Solar Cells
17/11/2025 -
A novel highly cross‐linked polymer is deposited between 3 and 2D perovskite, leading to improved carrier transport performance and suppressing cation penetration across 3D/2D interfaces under...
NH3‐Guided Low‐Temperature Nanostructural Refinement Boosts Visible‐Light‐Driven H2O2 Synthesis in Ionic Carbon Nitrides
16/11/2025 -
A nanostructural refinement strategy is reported for KPHI photocatalysts using NH4Cl in a molten salt environment to induce coherent domain fragmentation and controlled cyano defect formation. This...
Biphasic Ni‐MXene Quantum‐Confined Nanostructures: A Versatile Janus Platform for Advanced Energy Storage and Catalytic Oxidations (Adv. Mater. 45/2025)
14/11/2025 -
Versatile Biphasic Ni‐MXene Janus Quantum DotsThe demand for sustainable energy storage and eco‐friendly catalysts has intensified the search for advanced multifunctional materials. Seung Hwa...
Bubble preconcentration coupled with SALDI-TOF MS for rapid detection of PFAS in environmental water
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Per- and polyfluoroalkyl substances (PFASs) are highly persistent and bioaccumulative contaminants that pose serious ecological and human health risks even at trace levels. In this study, we...
Production of Vitamin B12 by Propionibacterium freudenreichii subsp. shermanii ATCC 13673 on a Soybean Agroindustrial Waste-Based Medium: Bioprocess Optimization in STR Bioreactors
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The production and consumption of plant-based foods are increasing due to health, ethical, and environmental concerns. However, plants do not synthesize vitamin B12, and the fortification of...
Green-synthesized Tioâ Nanoparticles for Sunscreen: Eco-Friendly Approach to Spf Enhancement
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This study aims to evaluate the potential of green-synthesized titanium dioxide (TiOâ) nanoparticles (NPs) derived from herbal extractsânamely Camellia sinensis (Green Tea),...
Bacterial community dynamics in early gametophyte developmental stages of the giant kelp Macrocystis pyrifera (Linnaeus) C. Agardh
18/11/2025 -
The extensive use of chemical fertilizers causes a detrimental effect on crop yields and soil crust. A potential alternative to chemical fertilizers is the use of plant beneficial microbes to...
Techno-ecological Optimization of Silico-Manganese Fume and Blast Furnace Slag Blended Cement Mortar Using Response Surface Methodology
18/11/2025 -
Seaweeds have long been part of traditional diets across the Pacific Islands, particularly in Hawaii and Fiji. In French Polynesia, seaweeds—locally known as "rimu," "imu," or "remu"—were...
Electrochemical Chlorine Shuttle from PVC Waste to Vinyl Ether Acceptors for the Synthesis of Biodegradable Polyester Precursors
12/11/2025 -
A sustainable, paired electrolysis method is presented to recycle PVC, one of the world's most used polymer materials. Our innovative and robust process transfers chlorine from waste PVC and produces...
A Soft Microrobot for Single‐Cell Transport, Spheroid Assembly, and Dual‐Mode Drug Screening
13/11/2025 -
A soft, untethered hydrogel microrobot enables precise single‐cell delivery, self‐assembly into 3D spheroids, and real‐time thermal actuation. Driven by light‐induced convection and embedded...
Characterization of per- and polyfluoroalkyl substances (PFAS) in AFFF-contaminated soil by photocatalytic oxidation (PhotoTOP)
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Per- and polyfluoroalkyl substances (PFAS) comprise a diverse group of thousands of compounds, for which only a limited number of analytical reference standards are available. This presents...
