Semiopen Ag@Au Plasmonic Nanotube Arrays Synergizing Molecular Confinement and Multimodal SERS for Lung Cancer Breath Diagnostics.

Exhaled breath analysis offers noninvasive, early lung cancer detection via volatile organic compound (VOC) biomarkers, surpassing blood-based methods. Surface-enhanced Raman spectroscopy (SERS) is ideal for this purpose, combining molecular fingerprint specificity with single-molecule sensitivity. However, conventional SERS substrates face a fundamental limitation: while porous materials such as metal-organic frameworks effectively adsorb VOCs through their subnanometer pores (0.

Injectable ROS/pH-Responsive Hydrogel for Synergistic Chemo-Photodynamic Tumor Therapy and Enhanced Wound Healing.

Conventional cancer treatments often result in tissue loss, incomplete tumor excision, infections, and systemic toxicity, severely impacting patient recovery. These complications frequently involve excessive reactive oxygen species (ROS) generation and persistent inflammation, pathological features also characteristic of burn wounds and postoperative tumor sites. To address this, an injectable ROS/pH-responsive hydrogel integrating localized tumor therapy and wound healing is developed.

Suppressing the Phase Transformation in Cubic Prussian Blue Analogues via a High-Entropy Strategy for Efficient Zinc-Ion Storage.

Prussian blue analogs (PBAs) are widely recognized as promising candidates for aqueous zinc-ion batteries (AZIBs) due to their stable three-dimensional framework structure. However, their further development is limited by their low specific capacity and unsatisfactory cycling performance, primarily caused by phase transformation during charge-discharge cycles. Herein, we employed a high-entropy strategy to introduce five different metal elements (Fe, Co, Ni, Mn, and Cu) into the nitrogen-coordinated M sites of PBAs, forming a high-entropy Prussian blue analog (HEPBA).

Enhancing the Energy Absorption Performance of 3D-Printed CF/TPU Composite Materials by Introducing a "Rigid-Elastic" Structure Through Multi-Scale Synergies.

Thermoplastic polyurethane (TPU) combines elastomeric and thermoplastic properties but suffers from insufficient rigidity and strength for structural applications. Herein, we developed novel carbon fiber-reinforced TPU (CF/TPU) composites filaments and utilize melt extrusion for 3D printing to maintain elasticity, while achieving enhanced stiffness and strength through multi scale-the control of fiber content and optimization of printing parameters, reaching a rigid-elastic balance. A systematic evaluation of CF content (0-25%) and printing parameters revealed optimal performance to be at 220-230 °C and 40 mm/s for ensuring proper flow to wet fibers without polymer degradation.

Improving Energy Storage Properties of Barium Zirconate Titanate Ceramics via Defect Dipole Engineering.

Lead-free ceramic materials have been widely studied since dielectric capacitors became a key component for energy storage. In this work, we adopted defect dipole engineering and improved the energy storage performance of barium zirconate titanate (BZT) ceramics by doping them with MnO. With the increase in Mn content, the hysteresis loop changed from a conventional loop to a pinned hysteresis loop, resulting in a decrease in remnant polarization ().

Regulating a CoO/ZnO heterojunction aerogel with a built-in electric field for enhanced CO photoreduction to solar fuels from DFT insights.

P-N-type heterojunctions have the potential to serve as highly efficient photocatalysts for CO reduction, owing to their remarkable carrier separation efficiency, high stability, and strong redox capacity. In this study, a novel P-N CoO/ZnO heterojunction aerogel photocatalyst was fabricated through a process starting with the propylene oxide ring-opening-induced gelation technique. The resulting CoO/ZnO aerogel exhibits an interconnected, hierarchical porous structure, which endows it with a particle diameter size at around several tens of nanometers and a large BET-specific surface area, thereby providing abundant exposed active sites.

A self-adhesive hierarchical nanofiber patch for dynamic and multistage management of full-thickness cutaneous wounds.

Full-thickness cutaneous wounds pose a significant threat to global health due to their complex healing demands. Standard clinical wound dressings often fall short in providing the adaptability and functionality required for the entire healing process. While hierarchically engineered nanofiber dressings have shown advancement in wound management, challenges such as material compatibility and interfacial bonding during their design have limited both manufacturing and therapeutic outcomes.

Nanoflower-Mediated Gallium-Protoporphyrin IX Complex for Intracellular Antibacterial and Immunomodulatory Effects in Macrophage-Targeted Therapy.

Intracellular bacterial infections are challenging due to immune evasion and antibiotic resistance, especially within macrophages harboring dormant bacteria. Here, a synergistic antibacterial strategy is presented using the PG3M@GaPP nanoflowers, which integrate immune modulation, iron metabolism disruption, and antibacterial photodynamic therapy (APDT) to eliminate intracellular bacteria. This nanoflower encapsulates a gallium-protoporphyrin IX complex (GaPP) within mannose-functionalized poly-l-lysine dendrimers (PG3M), enabling targeted delivery to macrophages via mannose receptor recognition.

Anion-Enriched Interfacial Chemistry Enabled by Effective Ion Transport Channels for Stable Lithium Metal Batteries.

The formation of unstable solid electrolyte interphases (SEIs) on the surface of lithium metal anodes poses a significant barrier to the commercialization of lithium metal batteries (LMBs). Rational modulation of solvation structures within the electrolytes emerged as one of the most effective strategies to enhance interfacial stability in LMBs; however, this approach often compromises the structural stability of the bulk electrolyte. Herein, we present an innovative method that improves interface stability without adversely affecting the bulk electrolyte's structural stability.

Microneedle delivery platform integrated with -derived extracellular vesicles-based nanoantibiotics for efficient bacterial infection atopic dermatitis treatment.

Due to the difficulty of overcoming the abnormal epidermal barriers and addressing infections without disrupting indigenous skin microbiota, effective treatment of bacterial infection atopic dermatitis (AD) remains a significant clinical challenge. Skin microbiota-derived extracellular vesicles (EVs) shows protentional for skin disease treatment, but the lack of antimicrobial activity and limited skin penetration hamper their application in bacterial infection AD treatment. Here, we developed novel nanoantibiotics by loading Lev into derived EVs (Lev@SE-EVs), with supreme antimicrobial activity, regulating epidermal immune responses and enhanced epidermal barrier functionality.

One stone, two birds: Multifunctional composites for bifacial solar photovoltaic power generation with enhanced flame retardancy and smoke suppression.

Solar photovoltaics (PV) convert sunlight into electricity, with bifacial systems capturing light on both sides to enhance efficiency. Incorporating materials with high reflectivity in the 300-1100 nm wavelength range can further boost this efficiency by redirecting unutilized light to the rear of bifacial PV modules. In this work, a multifunctional composite material was developed by incorporating nano titanium dioxide (TiO) and magnesium hydroxide (Mg(OH)) into a polyethylene (PE) matrix.

Rapid Gelation of Anti-Swelling, Self-Healing, and Biocompatible PEG Hydrogels Based on CBT-Cys Click Reaction under Mild Conditions.

Hydrogels, essential biomaterials in bioengineering, face challenges of undesirable swelling in applications requiring stable dimensions. This study presents a novel anti-swelling hydrogel using a cyanobenzothiazole (CBT)-cysteine (Cys) click reaction, inspired by luciferin chemistry. By functionalizing 4-Arm PEG with CBT and synthesizing N-terminal cysteine-terminated ethylenediamine precursors, gels are formed under mild conditions, avoiding harsh reagents or catalysts and ensuring compatibility with physiological environments.

Co-Doped ErFeO for Dual-Band Laser Absorption with High-Temperature Stability.

The development of multi-band laser suppression materials has been driven by the limitations of single-band laser suppression materials. Inorganic ceramic materials, compared with organic laser suppression materials, photonic crystals, and metamaterials, offer significant advantages in fabrication methods and environmental stability. In this study, Co ions, with relatively higher electronegativity, were introduced to substitute some Fe ion sites in ErFeO.

Anisotropic Conductivity and Mechanical Strength Enhancements in Gel Polymer Electrolyte Films by Hot Pressing.

Gel polymer electrolyte (GPE) with a polymer matrix swollen in liquid electrolytes offers several advantages over conventional liquid electrolytes, including no leakage, lightweight properties, and high reliability. While poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)-based GPEs show promise for lithium-ion batteries, their practical application is hindered by the intrinsic trade-off between ionic conductivity and mechanical robustness in conventional PVDF systems. Typical strategies relying on excessive plasticizers (e.

A CuCoO/γ-Cu(OH)Cl composite catalyst for efficient neutral nitrate reduction.

The electrocatalytic nitrate reduction reaction (eNORR) is an environmentally friendly process that converts nitrate wastewater into high-value ammonia (NH). However, the multi-step electron and proton transfer in this reaction leads to slow kinetics and competitive reactions, making it challenging to achieve energy-efficient performance. Herein, a CuCoO/γ-Cu(OH)Cl (CCOC) composite has been prepared as an electrocatalyst for the eNORR.

Self-Standing MOF-Derived Co@SiC Nanocomposite Aerogel with a Hierarchical Microstructure for Highly Effective and Wideband Electromagnetic Attenuation.

To meet the requirements of lightweight and wideband attenuation for advanced electromagnetic (EM) absorption materials, the combination of both MOF composition and hierarchical structural design was applied as the strategy to prepare the MOF-derived Co@SiC nanowire (Co@SiC) nanocomposite aerogel. The hierarchical and laminated structures with multiple Co@SiC layers were constructed via a mixed growth-assisted freeze-drying and calcination process. The ultralightweight Co@SiC presents a low density of 0.

Green and Efficient Preparation of Chitosan-Based Sponge with Synthesized ZnO for Deep Trauma Bleeding and Wound Healing.

Deep trauma often leads to acute bleeding and infections, which are major causes of death. It is worth exploring the preparation of hemostatic materials and improving their hemostatic and antibacterial properties applied to deep trauma by green and efficient methods. In this study, porous chitosan/zinc oxide/alkylated chitosan (CS/ZnO/ACS) sponges were prepared by a freezing phase separation method.

Overview of Aerogels for Thermal Insulation.

With the development of building energy efficiency, battery thermal management, aerospace, and other fields, the performance requirements of thermal insulation materials are increasing. Aerogels are porous materials with three-dimensional nanostructures with extremely low density and thermal conductivity. In recent years, aerogels have attracted much attention in thermal insulation due to their excellent properties.

Construction of PdCu Alloy Decorated on the N-Doped Carbon Aerogel as a Highly Active Electrocatalyst for Enhanced Oxygen Reduction Reaction.

Fuel cells/zinc-air cells represent a transformative technology for clean energy conversion, offering substantial environmental benefits and exceptional theoretical efficiency. However, the high cost and limited durability of platinum-based catalysts for the sluggish oxygen reduction reaction (ORR) at the cathode severely restrict their scalability and practical application. To address these critical challenges, this study explores a groundbreaking approach to developing ORR catalysts with enhanced performance and reduced costs.

Multiple-site activation induced by guanidine ionic liquid decorated chromium (III) terephthalate for coupling of carbon dioxide with epoxides.

Cycloaddition, as a sound strategy for high-value utilization of carbon dioxide (CO), has been long pursued, wherein the challenging substrate activation process is a top priority for devising novel heterogeneous catalysts. In this study, a guanidine-based ionic liquid tethering -NH groups was designed and integrated with chromium (III) terephthalate (MIL-101(Cr)) through the coordination with unsaturated Cr centers. The developed [NHTMG]Br@MIL-101(Cr) (TMG represents tetramethylguanidine) decorated with plentiful basic functional groups created a fast channel for the capturing and binding of CO, while the highly-accessible Lewis acidic sites (Cr) and hydrogen bond donors (N-H) embedded within the nanocomposite synergized to activate the epoxide, synchronously.

Preparation and Characterization of Lightweight, Hydrophobic, and Insulative Melamine Foam/Fumed Silica Composites.

Nanoparticulate silica is renowned for its excellent thermal insulation and low density; however, it faces challenges in practical applications due to high production costs and poor mechanical properties. In this study, a lightweight, hydrophobic, and insulative composite consisting of fumed silica and melamine foam (MF-FS) was prepared by using an atmospheric impregnation and drying process. Four different concentrations of fumed silica (5, 10, 15, and 20%) were systematically incorporated into the melamine foam to assess their effects on the composite's performance.

Dipole-induced transitions from Schottky to Ohmic contact at Janus MoSiGeN/metal interfaces.

Janus MoSiGeN monolayers exhibit exceptional mechanical stability and high electron mobility, which make them a promising channel candidate for field-effect transistors (FETs). However, the high Schottky barrier at the contact interface would limit the carrier injection efficiency and degrade device performance. Herein, using density functional theory calculations and machine learning methods, we investigated the interfacial properties of the Janus MoSiGeN monolayer and metal electrode contacts.

Interfacial Constructing Poly(ionic liquids) on Nanoporous Block Copolymers for Antifouling Ultrafiltration.

The remarkable flexibility in structural tunability and designability of poly(ionic liquids) (PILs) has garnered significant attention. Integration of PILs with membranes, novel properties, and functionalities is anticipated for applications in the fields of membrane separation. Here, we develop a facile method to prepare PIL-functionalized membranes in a one-step process by combining selective swelling-induced pore generation and ionic liquid functionalization.