Browse Articles

Thermal management of pouch-type lithium-ion batteries using aluminum oxide porous media filled with nano-enhanced PCM

Outside Back Cover: Unlocking Efficient Spontaneous Deracemization: A MOF‐Mediated Heterogeneous System Overcomes Catalytic Incompatibility in Cocrystallization (Angew. Chem. Int. Ed. 27/2026)

Alkane as Hydrogen Source: Pd/Photoredox Dual‐Catalysis Enables Mild Olefin Hydrogenation

ABSTRACT The development of safe and economical catalytic hydrogenation is a persistent challenge. The direct use of abundant alkanes as hydrogen donors under mild conditions is particularly desirable, yet conventional alkane dehydrogenation approaches for this purpose typically require harsh conditions (150°C–200°C) and tolerate a limited range of olefin substrates. Here, we report a cooperative palladium/photoredox catalytic system that enables the hydrogenation of unactivated olefins at room temperature using simple alkanes as the hydrogen source. This dual catalysis merges a photocatalyzed hydrogen atom transfer (HAT) from alkanes with a palladium‐catalyzed hydrogen transfer, achieving efficient olefin hydrogenation. Mechanistic studies support a radical‐mediated pathway and confirm alkanes as the hydrogen source. This operationally simple method exhibits broad substrate scope and functional group tolerance, allowing for the late‐stage modification of complex molecules under mild conditions. This work establishes a general strategy for alkane utilization as convenient and versatile hydrogen donors, offering a mild alternative to traditional hydrogenation methods that generally rely on H 2 gas.

Spatiotemporal differentiation and trade-off/synergy relationships of ecosystem service values in Mountain-Oasis-Desert System of Xinjiang Aksu region

Development and exploratory evaluation of a prediction model for oral mucositis in patients receiving CapeOX chemotherapy: a multicenter retrospective study

Abstract Oral mucositis (OM) is a clinically significant toxicity in patients receiving CapeOX chemotherapy. However, a prediction model tailored to this population is unavailable. In this multicenter retrospective study, we developed a pragmatic, exploratory and feasibility-based prediction model for OM using routinely collected variables from 1,100 patients with colorectal cancer. Among seven prespecified logistic regression models, the model incorporating CapeOX cumulative exposure (≥ 5 cycles), sex, age, body mass index, smoking history, and platelet count demonstrated the highest discriminative performance in the derivation cohort (ROC–AUC, 0.664). Temporal validation showed limited performance in the validation cohort (ROC–AUC, 0.570), indicating that these routinely available variables captured only part of the inter-individual variability in OM risk. These findings suggest that routinely available clinical variables alone may be insufficient for pretreatment or clinically actionable OM risk prediction, and future models may benefit from integrating oral health-related and treatment-specific factors to enhance predictive accuracy. This study provides exploratory evidence that may inform the future development of more comprehensive and risk-adapted supportive care strategies for patients receiving CapeOX chemotherapy.

Study on methane migration flow–solid coupling model under hydraulic borehole conditions and optimization of borehole spacing

A Unified Radical C–SuFEx Platform via Catalytic EDA Complex‐Mediated S(VI)─F Bond Activation

ABSTRACT Sulfur(VI) Fluoride Exchange (SuFEx) chemistry has emerged as a powerful tool for forging diverse molecular architectures. While sulfur(VI) fluorides are typically employed as S(VI) + electrophiles in defluorinative reactions with heteroatom nucleophiles, the direct formation of S(VI)─C bonds via C–SuFEx processes remains a significant challenge and is largely underdeveloped. Herein, we report a general and practical radical‐based C‐SuFEx platform that enables the ligation of sulfonyl and sulfonimidoyl fluorides with alkenes and alkynes, providing direct access to alkynyl sulfones, alkenyl sulfones, and alkenyl sulfonimidoyl derivatives. Mechanistic studies support the involvement of a catalytic electron donor–acceptor (EDA) complex formed between triarylamines and sulfur(VI) fluorides, which facilitates mild activation of S(VI)–F bonds to generate key sulfur(VI)‐centered radicals. The synthetic utility of this methodology is further demonstrated through sequential C–SuFEx/cycloaddition transformations, offering a versatile and modular route to structurally diverse and functionally enriched molecular frameworks.

Application of tubeless mini-percutaneous nephrolithotomy under local anesthesia and lateral position in ambulatory surgery: a pilot feasibility study

Local Electronic Modulation in Pillararene‐Based Donor–Acceptor Conjugated Polymers for Selective Photocatalytic Oxygen Reduction

ABSTRACT Constructing donor–acceptor (D–A) architectures is a widely adopted strategy for modulating the global band structures of photocatalytic polymers. However, it remains challenging to apply this approach to precisely fine‐tune the local electronic environment of active sites to optimize elementary catalytic steps while preserving the overall conjugated network. In this work, pillararenes with electron‐rich cavities are introduced into D–A conjugated polymers to construct a new material named BTzAP[5], whose reaction mechanism in photocatalytic hydrogen peroxide synthesis is systematically investigated. The electron‐rich cavity of pillararene modulates adjacent imine nitrogen active sites via the extended π‐conjugated system, significantly increasing their electron density, oxygen adsorption, and activation capacities. The tailored structure promotes a rapid stepwise two‐electron ORR pathway of O 2 to H 2 O 2 , with minimal free superoxide accumulation, achieving a production rate of 4086 µmol g −1 h −1 . This work offers a new strategy for achieving synergistic optimization of overall electronic engineering and local design of active sites in D–A type conjugated polymers.

Short-term affective consequences of engaging in brief self-compassion and other-compassion exercises

Abstract Compassion-based interventions are widely used to promote emotional well-being, yet their differential effects on affective arousal level remain poorly understood. The present study examined the immediate affective consequences of brief self- and other-compassion writing exercises, differentiating between positive and negative affect across high- and low-arousal levels. Participants ( N  = 230) were randomized to either a self-compassion or an other-compassion condition. General positive affect (PA), high-arousal PA, low-arousal PA, general negative affect (NA), high-arousal NA, and low-arousal NA were assessed before and after the writing task. Mixed ANOVAs with time and conditions as factors were conducted as primary analyses. Results indicated that both conditions were associated with reductions in low-arousal NA, with significantly stronger decreases for self-compassion. Other-compassion additionally showed a significant decrease in high-arousal PA that was not observed in the self-compassion condition. These findings suggest that compassion-based writing exercises produce selective rather than broad immediate affective change, and that practicing compassion for others may carry a short-term affective cost in the form of reduced high-arousal PA. Potentially, this drop in high-arousal PA may function as a barrier to sustained engagement with other-compassion practices, particularly in culture that value high-arousal PA. Pairing other-compassion exercises with activities that boost or restore (high arousal) PA may therefore support more consistent engagement with compassion-based interventions.

3-(4-Hydroxy-3-methoxyphenyl) propionic acid prevents renal fibrosis and inflammation in CKD mice induced by adenine

Rapid detection of urinary tract infection by analyzing the dried spots of biological fluids using convolutional neural networks

A user-intent guided diffusion-segmentation collaborative framework for controllable digital media content generation

Inside Front Cover: Specific Ion Effects of Chaotropic and Superchaotropic Anions Probed by Raman Hydration‐Shell Spectroscopy (Angew. Chem. Int. Ed. 27/2026)

Modeling irrigation strategy impacts on conjunctive surface–groundwater use in the semi-arid Sarab Basin, Iran

Abstract Water scarcity in the semi-arid Sarab Basin, exacerbated by population growth and inefficient irrigation, demands integrated water management. This study aims to apply a novel WEAP-HYDRUS-MODFLOW-MT3DMS framework linking all hydrological compartments to assess the quantity and quality impacts of irrigation modernization and management strategies in Urmia Lake Basin, Iran. Simulations for 2009–2018 evaluated sprinkler, 60% (S60) and 70% (S70) efficiency, and drip systems, 80% (D80) and 90% (D90) efficiency under two strategies: water conservation via demand management strategy (DMS) and agricultural development strategy (ADS) using saved water. Results show irrigation modernization (S60 to D90) under DMS increases streamflow from 84.3 mcm/yr to 112–131 mcm/yr, while groundwater levels rise by 1.5–2.4 m with TDS increasing by 1.3–2 mg/L. Conversely, ADS reduces streamflow to 74.5–79.8 mcm/yr, lowers groundwater levels by 0.6–1.2 m, and raises TDS by 0.9–1.9 mg/L. Surface water quality, with groundwater return flow considered, improves by 94–136 mg/L (DMS) and 25–100 mg/L (ADS). The study underscores irrigation modernization advantages under DMS while warning against reallocation in ADS. Findings emphasize policymakers should prioritize water constraints over land expansion for sustainable development in semi-arid regions like Iran, as irrigation modernization alone cannot restore Urmia Lake.

An in-vivo evaluation of the multi-channel bioimpedance method in monitoring radiofrequency ablation lesions

Unlocking Surface Sodiation Threshold of Titanium Dioxide via Coupled Electrochemical‐Thermal Activation

ABSTRACT Titanium dioxide anodes for sodium‐ion batteries undergo an electrochemically‐induced phase transformation from crystalline to active amorphous phase in a thin surface layer, resulting in surface‐dependent capacities. The origins of this limited active layer remain unclear. Herein, we reveal that the sluggish movement of the amorphous|crystalline boundary during initial sodiation determines the thickness of the surface‐active layer. To unlock surface sodiation threshold, we propose a coupled electrochemical‐thermal activation protocol to promote the continuous movement of the amorphous|crystalline boundary during the initial cycle, thereby permanently increasing the reversible sodiation capacity. The anatase TiO 2 ‐35 nm anode delivers an enhanced capacity from 116 to 190 mAh g −1 at 0.1 A g −1 after electrochemical‐thermal activation, accompanied by its high‐rate capability and long‐term cyclability. The electrochemical‐thermal activation is also efficient for enhancing the Li + /Na + storage capacities of rutile TiO 2 anodes. This work opens a pathway for enhancing electrochemically‐induced irreversible phase transformations with enhanced charge storage performance.

MSCSM-YOLOv11s: multi-scale feature extraction and CSM attention for small target detection

A phase-equilibrium outranking method with hysteresis-banded thresholds for robust multi-criteria decision making: PEOM

Fully Planarized Donor Enables Record‐High Efficiency for Blue Through‐Space Charge Transfer Emission

ABSTRACT Through‐space charge transfer (TSCT) emitters featuring spatially separated donor‐acceptor architecture offer a promising strategy for designing thermally activated delayed fluorescence materials. However, developing high‐performance blue TSCT emitter remains challenging due to the intrinsic trade‐off between a wide bandgap and sufficient spatial electronic interactions. Herein, a fully planarized donor, in favor of strengthening spatial interactions and suppressing non‐radiative decay, is proposed to construct blue TSCT emitter. The resulting emitter exhibits an emission peak of 467 nm, a high photoluminescence quantum yield of 98% and a large reverse intersystem crossing (RISC) rate of 1.8×10 6  s −1 . Organic light‐emitting diodes based on the emitter achieve a maximum external quantum efficiency (EQE max ) of 34.0% with Commission Internationale de L'Eclairage (CIE) coordinates of (0.16, 0.29) and a maximum luminance of 21560 cd m −2 , which, to the best of our knowledge, represents the state‐of‐the‐art performances for blue TSCT emitters. Furthermore, hyperfluorescent devices employing the emitter as sensitizer demonstrate a high EQE max of 35.8% with a narrow full width at half maximum of 20 nm and CIE coordinates of (0.12, 0.14). This work demonstrates the critical importance of the fully planarized donor for developing high‐efficiency blue TSCT emitter.