Economía Circular

 

Economía Circular

Passive Acoustic Metamaterials for Low Frequencies—Theories, Types, Testing, and Future Directions
29/01/2025 - This review explores low‐frequency acoustic metamaterials, focusing on passive designs, their manufacturing, computational methods, and their testing standards. Analyzing 45 design theories and...
Colloidal Quantum‐Dot Heterojunction Imagers for Room‐Temperature Thermal Imaging
29/01/2025 - Room‐temperature operation or high‐operation temperature (HOT) is essential for mid‐wave infrared (MWIR) optoelectronics devices providing low‐cost and compact systems for numerous...
A design space for the filtration of challenging monoclonal antibodies using Planova™ S20N, a new regenerated cellulose virus removal filter
23/01/2025 - Virus removal by filtration is a crucial step in ensuring the safety of therapeutic antibodies and other biopharmaceutical products by mitigating the risk of endogenous and adventitious viral...
A Robust, Biodegradable, and Fire‐Retardant Cellulose Nanofibers‐Based Structural Material Fabricated from Natural Sargassum
15/01/2025 - Cellulose nanofiber and alginate from natural sargassum are used to prepare a fire‐retardant structural material through a hydrogel layer‐by‐layer method. This bio‐based material has...
Comprehensive Review on Bio-Based Treatments for Polyvinyl Chloride Plastic
- Abstract Polyvinyl chloride (PVC) plastics are widespread around the globe, and each year, thousands of tons of PVC end up in the environment in the form of...
A fast region of interest algorithm for efficient data compression and improved peak detection in high-resolution mass spectrometry
- Liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS) is commonly used for identification of compounds in complex samples due to the high chromatographic and mass spectral...
Environmental Sustainability of Natural Biopolymer‐Based Electrolytes for Lithium Ion Battery Applications
05/01/2025 - Twenty‐one biopolymer electrolytes including membrane‐liquid electrolytes, gel electrolytes, and solid electrolytes are synthesized to analyze their electrochemical properties and environmental...
Advanced Catalysts for the Chemical Recycling of Plastic Waste
02/01/2025 - This review summarizes recent advanced catalysts applied in thermal catalysis, microwave‐assisted catalysis, photocatalysis, electrocatalysis, and enzymatic catalysis reaction systems for the...
Selective Recycling of Mixed Polyesters via Heterogeneous Photothermal Catalysis
02/01/2025 - The advent of heterogenous photothermal catalysis technology for the selective upcycling of mixed plastics represents a revolutionary breakthrough amidst the resolving global crisis of plastic...
Functional and Genomic Potential of Burkholderia contaminans PB_AQ24 Isolate for Boosting the Growth of Bamboo Seedlings in Heavy Metal Contaminated Soils
- Abstract The present study investigated the genomic and functional potential of Burkholderia contaminans PB_AQ24, a bacterial strain isolated from the municipal solid...
Principles and Mechanisms of Cryomilling of Metallic Materials: Insights from Recent Studies
24/12/2024 - Cryomilling (CM) improves the microstructure of materials under a cryogenic environment. Research shows that CM is particularly effective for producing nanostructured materials, providing pathways to...
Bioreactor contamination monitoring using off-gassed volatile organic compounds (VOCs)
- Metabolically active cells emit volatile organic compounds (VOCs) that can be used in real time to non-invasively monitor the health of cell cultures. We utilized these naturally occurring VOCs in...
Identification of putative volatile biomarkers of canine leishmaniasis in dog’s breath and hair employing a novel algorithm for automated chromatographic peak detection and matching
- The analysis of the volatile compounds released by biological samples represents a promising approach for the non-invasive diagnosis of a disease. The present study, focused on a population of...
Two‐dimensional Nanosheets by Liquid Metal Exfoliation
20/12/2024 - In this work, the liquid gallium is used to exfoliate bulk layered materials into 2D nanosheets at near room temperature. This method enables the production of numerous 2D nanosheets, including...
Microwave‐Powered Liquid Metal Degradation of Polyolefins
18/12/2024 - The non‐equilibrium microwave‐powered liquid metal depolymerization is proposed for converting various polyolefin wastes into high‐value olefin monomers and narrowband hydrocarbon oils by...
Highly Stretchable 3D Microelectrode Array for Noninvasive Functional Evaluation of Cardiac Spheroids and Midbrain Organoids
15/12/2024 - A highly stretchable 3D multielectrode array (sMEA) with protruding microelectrodes is presented, achieved through structural design of a non‐stretching material and over‐electrodeposition of...
Surface Defects Control Bulk Carrier Densities in Polycrystalline Pb‐Halide Perovskites
12/12/2024 - Doping, the controlled addition of imperfections or impurities to a material, is crucial for semiconductors. This study shows that for Halide Perovskites, which have (very) low (intrinsic) defect...
A review of a colorimetric biosensor based on Fe3O4 nanozymes for food safety detection
- The issue of food safety poses a significant threat to human health. The colorimetric sensing method offers a highly sensitive response, visualization, and easy operation, making it highly...
Polyhydroxybutyrate Synthesis by the Halophilic Bacterium, Halomonas boliviensis, in Oil Palm Empty Fruit Bunch Hydrolysate
06/12/2024 - ABSTRACTPolyhydroxyalkanoates are biodegradable, natural polyesters with the potential to replace petroleum‐based plastics. However, high production costs limit their competitiveness. This study...
Lightweight Double‐Layered Polylactic Acid‐Based Nanocomposite Foams for Highly Absorption‐Dominated Electromagnetic Shielding
27/11/2024 - To reduce electromagnetic wave pollution, carbon nanostructures is introduced into a polylactic acid‐based system. However, the impedance mismatch between conductive material and air causes...