Conjugated Coordination Polymer Aerogels with Increased Accessibility of Well-Defined Single-Atom Metal Sites as a New Paradigm of Electrocatalysts.

Developing high-performance single-atom catalysts (SACs) with maximum metal utilization efficiency is of significance, which presents enormous potentials to be extensively applied. It is desired yet challenging to elaborately tailor the coordination structures of active sites in SACs and simultaneously enable sufficient accessibility of these active sites to reactants. Here, a facile and general strategy to prepare conjugated coordination polymer aerogels (CCPA) with porous architectures that can markedly increase the accessibility of their elaborately-tailored active sites, which as a new electrocatalyst paradigm can fully present both the structural advantages of SACs and aerogel materials, is reported.

Mixing Functionality in Polymer Electrolytes: A New Horizon for Achieving High-Performance All-Solid-State Lithium Metal Batteries.

Solid polymer electrolytes (SPEs) are a key materials component for all-solid-state lithium metal batteries (ASSLMBs). In these membrane-like films, accelerating Li migration while enhancing the mechanical strength of SPEs is challenging. Herein, we introduce a new concept of supramolecularly organized, cross-linked polymer electrolyte (PCPE) by mixing an ion-conducting, multi-arm boron-containing oligomer (MBO) solid plasticizer into a polyethylene oxide (PEO)-lithium salt matrix.

4D Printed Shape Memory Polyimide Composite Aerogels with High Recovery Stress for Load Driving.

Shape memory polyimide aerogels with lightweight, high-temperature resistance, and excellent shape memory performance are ideal materials for intelligent structural components of aerospace. However, their low recovery stress has been a significant barrier to their practical use, particularly in driving structural deformations. Herein, we have prepared a 4D printed shape memory polyimide/polyimide nanofiber (PI/PIF) composite aerogel with high recovery stress and excellent shape memory performance for load driving at high temperatures.

Helical Soft Robots with Magnetic and Photocatalytic Components for Water Remediation.

Soft robots have demonstrated exceptional potential in various applications, particularly in biomedicine, which is attributed to their motional agility and machinability. However, their potential applications in water remediation have not been fully explored. The main challenge is to achieve both precise motion and efficient pollutant degradation.

Performance characteristics of an automated, high-throughput RT-PCR assay for the detection of on 3-point and nasal swabs.

Unlabelled: is a multidrug-resistant yeast responsible for invasive infections with high mortality rates, primarily spread through prolonged colonization on biotic and abiotic surfaces and traveling. Effective control necessitates comprehensive screening protocols, as recommended by the Centers for Disease Control and Prevention, which endorses a real-time polymerase chain reaction-based assay for screening. This study evaluates the performance of this assay on the Hologic Panther Fusion System using nasal and 3-point swab specimens (nares/axilla/groin) compared with culture.

Improved Ammonia Synthesis and Energy Output from Zinc-Nitrate Batteries by Spin-State Regulation in Perovskite Oxides.

Electrocatalytic nitrate reduction to ammonia (eNRA) is a promising route toward environmental sustainability and clean energy. However, its efficiency is often limited by the slow conversion of intermediates due to spin-forbidden processes. Here, we introduce a novel A-site high-entropy strategy to develop a new perovskite oxide (LaPrNdBaSr)CoO (LPNBSC) for eNRA.

Hierarchical Polyimide Nonwoven Fabric with Ultralow-Reflectivity Electromagnetic Interference Shielding and High-Temperature Resistant Infrared Stealth Performance.

Designing and fabricating a compatible low-reflectivity electromagnetic interference (EMI) shielding/high-temperature resistant infrared stealth material possesses a critical significance in the field of military. Hence, a hierarchical polyimide (PI) nonwoven fabric is fabricated by alkali treatment, in-situ growth of magnetic particles and "self-activated" electroless Ag plating process. Especially, the hierarchical impedance matching can be constructed by systematically assembling FeO/Ag-loaded PI nonwoven fabric (PFA) and pure Ag-coated PI nonwoven fabric (PA), endowing it with an ultralow-reflectivity EMI shielding performance.

Mineralized Nanofiber Substrates Enabling High-Performance Dually Charged Nanofiltration Membranes with Enhanced Permeability.

Nanofiltration membranes (NFMs) with superior permeability and high rejection of both divalent anions and cations are highly desirable to meet the increasing separation demands of complex systems. Herein, we propose a three-in-one strategy to develop a state-of-the-art dually charged thin-film composite (TFC) nanofiltration membrane consisting of a positively charged electrospun nanofiber substrate (NFS) with surface mineralization and a negatively charged polyamide (PA) selective layer prepared by interfacial polymerization (IP). The highly hydrophilic mineralized nanofiber substrate not only effectively reduces the thickness of the PA selective layer but also crumples its structures by the abundant zirconia nanoparticles on the substrate surface, resulting in excellent water flux (15.

Chemically Bonded Graphene Oxide/Covalent Organic Framework Nanosheets as Robust Membranes for Fast Desalination.

Graphene oxide (GO) is widely used to prepare 2D laminar separation membranes because of its single atomic thickness and good processability. However, due to the tortuous transport path and excessive swelling effect, it is difficult to improve permeability, salt rejection, and stability of GO membranes simultaneously. Herein, we chemically laminated GO with covalent organic framework nanosheets (CONs) to fabricate membranes for fast and stable desalination.

Performance evaluation of the high-throughput quantitative Alinity m Epstein-Barr virus assay.

Unlabelled: Molecular testing for Epstein-Barr virus (EBV) infection is a cornerstone of care to prevent adverse outcomes in immunocompromised patients, including transplant recipients. We evaluated the analytical and clinical performance of the quantitative Alinity m EBV assay for plasma sample testing on the fully automated Alinity m platform. Assay lower limit of detection and precision were determined using commercially available panels in plasma.

Tailoring the d‑Band Center of High-Entropy Perovskite Oxide Nanotubes for Enhanced Nitrate Electroreduction.

High-entropy perovskite oxides exhibit promising application prospects in the field of electrocatalysis, owing to their flexible elemental composition, plentiful active sites, and superior structural stability. Herein, high-entropy perovskite oxide nanotubes are prepared with La, Nd, Pr, Er, Eu at A-site by electrospinning as efficient electrocatalysts for nitrate reduction reaction (NORR). Electrochemical tests demonstrate that LaNdPrErEuCuO nanotubes (LNPEEC NTs) display outstanding NORR performance, achieving a NH Faraday efficiency (FE) of 100% at -0.

Polymer-confined synthesis of gram-scale high-entropy perovskite fluoride nanocubes for improved electrocatalytic reduction of nitrate to ammonia.

High-entropy perovskite fluoride (HEPF) has gradually attracted attention in the field of electrocatalysis due to its unique properties. Although traditional co-precipitation methods can efficiently produce HEPF, the resulting catalysts often lack regular morphology and tend to aggregate extensively. Here, nanocubic K(CuMgCoZnNi)F HEPF (HEPF-2) was successfully prepared on a gram-scale by a polyvinylpyrrolidone (PVP)-confined nucleation strategy.

A Bio-Inspired Magnetic Soft Robotic Fish for Efficient Solar-Energy Driven Water Purification.

Solar-driven water evaporation is a promising solution for global water scarcity but is still facing challenges due to its substantial energy requirements. Here, a magnetic soft robotic bionic fish is developed by combining magnetic nanoparticles (FeO), poly(N-isopropylacrylamide), and carboxymethyl chitosan. This bionic fish can release liquid water through hydrophilic/hydrophobic phase transition and dramatically reduce energy consumption.

Breathable and Stretchable Epidermal Electronics for Health Management: Recent Advances and Challenges.

Advanced epidermal electronic devices, capable of real-time monitoring of physical, physiological, and biochemical signals and administering appropriate therapeutics, are revolutionizing personalized healthcare technology. However, conventional portable electronic devices are predominantly constructed from impermeable and rigid materials, which thus leads to the mechanical and biochemical disparities between the devices and human tissues, resulting in skin irritation, tissue damage, compromised signal-to-noise ratio (SNR), and limited operational lifespans. To address these limitations, a new generation of wearable on-skin electronics built on stretchable and porous substrates has emerged.

Electrochemical reduction of nitrate to hydroxylamine on gold electrode.

In this study, we explore the efficacy of gold (Au) as a selective electrocatalyst for the reduction of nitrate to hydroxylamine, a valuable nitrogen-based chemical, while also evaluating the by-product formation of ammonia. We systematically optimized various experimental parameters including nitrate concentration, pH, and applied potential. We found that at an applied potential of -0.

Electrochemical Reduction of CO into Syngas by N-Modified NiSb Nanowires.

Carbon dioxide reduction reaction (CORR) provides a promising method for syngas synthesis. However, it is challenging to balance the CORR activity and hydrogen (H)/carbon monoxide (CO) ratios due to the limited mass transport and inefficient catalytic interface. Herein, we adopt a nitrogen (N)-modification method to synthesize N-modified nickel antimony nanowires (N-NiSb NWs/C), which are efficient for producing syngas with controllable H/CO ratios.

Atomically Dispersed Iridium on Polyimide Support for Acidic Oxygen Evolution.

Designing a high-performing iridium (Ir) single-atom catalyst is desired for acidic water electrolysis, which shows enormous potential given its high catalytic activity toward acidic oxygen evolution reaction (OER) with minimum usage of precious Ir metal. However, it still remains a substantial challenge to stabilize the Ir single atoms during the OER operation without sacrificing the activity. Here, we report a high-performing OER catalyst by immobilizing Ir single atoms on a polyimide support, which exhibits a high mass activity on a carbon paper electrode while simultaneously achieving outstanding stability with negligible decay for 360 h.

Single-atom catalysts for electrocatalytic nitrate reduction into ammonia.

Ammonia (NH) is a versatile and important compound with a wide range of uses, which is currently produced through the demanding Haber-Bosch process. Electrocatalytic nitrate reduction into ammonia (NRA) has recently emerged as a sustainable approach for NHsynthesis under ambient conditions. However, the NRA catalysis is a complex multistep electrochemical process with competitive hydrogen evolution reaction that usually results in poor selectivity and low yield rate for NHsynthesis.

Metachronous multifocal carcinoma: A case report.

Background: The incidence of multiple primary carcinomas (MPC) varies greatly, ranging from 0.73% to 11.70% in foreign countries, with duo-duplex carcinoma being the most common, trio-duplex carcinoma and above being rare, and simultaneous multigenic carcinoma being even rarer, accounting for 18.

Charge Redistribution in High-Entropy Perovskite Oxide Porous Nanotubes Boosts Nitrate Electroreduction to Ammonia.

High-entropy perovskite oxides are promising materials in the field of electrocatalysis due to their advantages such as large spatial composition regulation, entropy effects, and tunable material properties. However, the preparation of high-entropy perovskite oxides with stable and controllable structures still remains challenging. Herein, we fabricated a series of high-entropy perovskite oxide porous nanotubes (PNTs) by electrospinning as efficient electrocatalysts for the nitrate reduction reaction (NORR).

Ultrathin NiO nanosheets anchored to a nitrogen-doped dodecahedral carbon framework for aqueous potassium-ion hybrid capacitors.

Hierarchical porous structures and well-modulated interfacial interactions are essential for the performance of electrode materials. The energy storage performance can be promoted by regulating the diffusion behavior of the electrolyte and constructing a coupled interaction at heterogeneous interfaces. Herein, we have synthesized ultrathin NiO nanosheets anchored to nitrogen-doped hierarchical porous carbon (NiO/N-HPC) and applied it to construct aqueous potassium ion hybrid capacitors (APIHCs).

Dynamical Janus Interface Design for Reversible and Fast-Charging Zinc-Iodine Battery under Extreme Operating Conditions.

Aqueous zinc (Zn) iodine (I) batteries have emerged as viable alternatives to conventional metal-ion batteries. However, undesirable Zn deposition and irreversible iodine conversion during cycling have impeded their progress. To overcome these concerns, we report a dynamical interface design by cation chemistry that improves the reversibility of Zn deposition and four-electron iodine conversion.