Materiales

 

Materiales

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...
Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli
22/06/2025 - The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at...
Injectable Functional Porous Carbon‐Loaded Hydrogel with Long‐Term Retention and Synergistic Anti‐Tumor Properties for Tumor Therapy
23/06/2025 - Injectable hydrogel (CFe/βCP+Cis), developed by integrating β‐CD‐g‐PEGMA (βCP) molecular brush hydrogel, single‐atom Fe‐anchored porous carbon nanozyme (CFe), and cisplatin, combines...
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...
Ultra‐Tough Single‐Network Hydrogels via the Synergy of Defect Elimination and Dual Crosslinking
22/06/2025 - A new class of tough hydrogel in single‐network is developed by leveraging nanostructures as crosslinkers and initiators within free radical reactions to optimize the network imperfections,...
Gram‐Scale Green‐Synthesis of High Purity Pinacols and Amides by Continuous Tandem Photocatalysis via a Negative Carbon Emission Process
22/06/2025 - A tandem catalytic system consisting of two continuous‐flow reactors (A and B) is developed to integrate CO2 photoreduction with photo‐oxidative C–C coupling and photocatalytic carbonylation....
All‐Polymer Polyethylene‐Hydrogel Felt for Efficient Evaporative Cooling and Ecological Restoration in Photovoltaic Power Plants
22/06/2025 - This work proposes an all‐polymer polyethylene‐hydrogel felt formed by fibers with highly oriented polyethylene micro‐fiber cores and polyacrylamide shells. The felt demonstrates a passive heat...
Recent Advances in Heterogeneous Frustrated Lewis Pair: Synthesis, Characterization, and Catalysi
20/06/2025 - This review provides a concise analysis of heterogeneous frustrated Lewis pair (FLP) chemistry, focusing on their synthesis, characterization, and application in small‐molecule activation. It...
Solvent‐Free Fabrication of Robust Physical Hydrogels via Bulk Copolymerization for Underwater Acoustics
20/06/2025 - Solvent‐free bulk copolymerization results in hydrophobically associated hydrogels exhibiting markedly different network structures and mechanical properties compared to those prepared via solution...
Scalable Low‐Carbon Ambient‐Dried Foam‐Like Aerogels for Radiative Cooling with Extreme Environmental Resistance
19/06/2025 - A scalable low‐carbon ambient‐dried foam‐like aerogel with integrated radiative cooling and fire/harsh‐conditions resistance is fabricated via green ambient‐drying process without complex...
Thienopyrimidine: Unveiling the Versatile Potential of a Promising Heterocyclic Scaffold in Drug Discovery
19/06/2025 - ABSTRACTFused pyrimidine scaffolds serve as a flexible and versatile foundational heterocycle in the field of pharmaceutical development. Thienopyrimidines are a diverse family of molecules...
Nanosecond Laser Synthesis of MXene‐Derived TiO2/High‐Entropy Alloys for Photo‐Assisted Zinc–Air Batteries
17/06/2025 - A high‐entropy photoelectrocatalyst is rapidly synthesized by pulsed laser heating MXene nanosheets loading metal ions. The MXene derived‐TiO2 and high‐entropy alloy heterojunction can...
An Elastomeric Electrolyte Based on Lithium‐Ion‐Selective Transmembrane Transport for Solid‐State Lithium‐Sulfur Batteries
16/06/2025 - A class of fiber‐network‐based elastomeric solid electrolytes is formed through electrospinning‐induced phase separation combined with in situ polymerization, featuring a structure in which an...
Ultrathin Mesoporous Metal‐Organic Framework Nanosheets
16/06/2025 - A bottom‐up interface‐directed co‐assembly strategy enables the synthesis of ultrathin 2D mesoporous UiO‐66(Ce) nanosheets with tunable thickness and uniform mesopores. The enhanced mass...
All‐Dielectric Ultra‐Broadband Microwave Absorbing Aerogel with Optimized Dielectric Dispersion via Dielectric Relaxation Time Regulation
16/06/2025 - By incorporating fluorinated graphene into MXene aerogels, hydrogen bonding, and interfacial charge separation extend the dielectric relaxation time, enabling ultrathin (2.54 mm), lightweight (34.4...
Roll‐To‐Roll Twisted Aerogel Yarns with Reinforced Structure and Low Thermal Conductivity
16/06/2025 - Aerogels have exceptional thermal insulation properties, but often exhibit less satisfactory mechanical properties in textile applications. This issue is addressed by processing aerogel particles...
Anti-Melanogenesis Activity of Peptides from Shark (Mustelus griseus) Skin on B16F10 Melanocytes and In vivo Zebrafish Models
- Shark skin peptides, a kind of substance with a variety of biological activities, were shown to inhibit the activity of mushroom tyrosinase. This study was performed to clarify their inhibitory...
Covalent Immobilization of β‐Glucosidase on Magnetic Spent Coffee Grounds Modified With PAMAM Dendrimers for Enhanced Glucose Tolerance
16/06/2025 - Graphical Abstract and Lay SummaryPAMAM dendrimers synthesis on magnetic spent coffee grounds for β‐glucosidase immobilization.AbstractThe successful application of enzymes in industries...
Electromagnetic Interference Shielding Effectiveness Performance of Various Aluminum Foam/Cellular Structures at C‐Band: A Numerical and Experimental Investigation
12/06/2025 - This study investigates three different aluminum foam structures, offset honeycomb, hybrid‐finned honeycomb, and lattice geometries, to determine their electromagnetic interference shielding...
Direct‐Ink‐Writing Printed Aerogels with Dynamically Reversible Thermal Management and Tunable Electromagnetic Interference Shielding
12/06/2025 - Honeycomb‐structured (Ti3C2Tx/Fe3O4/CCMC)–(AgNW/CCMC) aerogels with tunable EMI shielding performance up to 80 dB are fabricated via DIW 3D printing, achieving compression‐driven shielding...
Homogeneous “Hard‐Soft” Biphasic Bone Adhesives Promote Comminuted Fracture Healing through Interfacial Adaptation and Mechanical Property Maintenance
13/06/2025 - For the instant and sustainable fixation of bone fragments in treating highly comminuted fractures, phase engineering is employed to construct a homogeneous hard‐soft biphasic bone adhesive (PTN)....