Unraveling the GHG emission patterns of inland waters in China: impact of water body types, aquatic plant life forms, and water temperature.

Inland water ecosystems play key roles in the production, transportation, transformation, storage, and consumption of global greenhouse gases (GHG). Different water body types exhibit spatial and temporal differences after considering factors such as season and aquatic plant life forms. The results revealed that the annual global warming potential (GWP) (Tg CO-eq yr) from swamps, rivers, lakes, and reservoirs in China were 1382.

A carboxylesterase-activated "dual-locked" fluorescent probe for high-specificity imaging of hepatic tumors.

Hepatic carcinoma is one of the most common malignancies with low survival rates due to insufficient therapeutics while early detection of hepatic tumors remains key to reducing mortality of liver cancer. However, current clinical methods are hard to detect pathological changes in early-stage cases while the detection rate of liquid biopsy-based assay is limited. Thus, effective tools for accurate and sensitive detection of hepatic tumors are still in urgent need.

Exploration of the path of digital technology empowering the sustainable development of alumni football-a study based on ordinal logistic regression analysis.

Introduction: In the digital era, professional sports have rapidly embraced technologies such as big data, AI, and the Internet of Things to optimize performance, strategy, and fan engagement. However, the digital transformation of grassroots and amateur level sports remains significantly underdeveloped, posing a major obstacle to the inclusive and sustainable growth of national sports ecosystems. Alumni football, participated in by a vast and growing population of college graduates in China, emerges as a strategic gateway to bridging this digital divide.

Oxide Interface-Stabilized Superoxo Species for High-Temperature Catalysis.

High-temperature oxidation reactions catalyzed by earth-abundant transition metal oxides are vital for numerous industrial and environmental processes. However, their performance is often limited by the rapid desorption of active oxygen species at high temperatures. Here, we describe a straightforward approach to constructing a CuMn spinel/MnO composite oxide catalyst that addresses this limitation and demonstrate that lattice oxygen can spontaneously migrate to form interface-stabilized superoxo species under high-temperature reaction conditions.

Effect of Precipitation Change on Desert Steppe Aboveground Productivity.

Precipitation changes have significant impacts on biodiversity and ecosystem productivity. However, the effects of precipitation changes on species diversity have been the focus of most previous studies. Little is known about the contributions of different dimensions of biodiversity (species, functional, and phylogenetic diversity) in linking long-term precipitation changes to ecosystem functions.

Photocatalytic Synthesis of 1,2-Sulfinate-Sulfonate Esters by Four-Component Radical-Polar Crossover Cyclization.

Structurally diverse 1,2-sulfinate-sulfonate esters are shown to be conveniently prepared through visible light-induced sulfonation and sulfinylation of difunctionalized alkenes using alcohols and NaHSO. The reactions proceed under mild conditions in the presence of photocatalysts and HCOH as an additive, exhibiting good functional group tolerance and a broad scope. Furthermore, this method is scalable and has been successfully applied to synthesize 1,2-disulfonic acid esters.

Hydroalkylation of Unactivated Alkenes with Amides via Photoredox Catalysis and Triple Hydrogen Atom Transfer.

Radical-mediated hydroalkylation of alkenes offers a more direct and atom-economical route to α-alkylated carbonyl compounds, enabling the construction of various drug scaffolds, natural products, and functional molecules. However, traditional protocols are generally restricted to active 1,3-dicarbonyl compounds and often require oxidants, large excesses of substrates, and harsh reaction conditions. Herein, we present a photoinduced, general, and practical hydroalkylation of unactivated alkenes with amides.

Exploring the role of standards-based descriptors in promoting translation learners' metacognitive strategy use and translation performance.

This study explores the role of China's Standards of English Language Ability (CSE) descriptors as metacognitive support in promoting translation learners' metacognitive strategy use and translation performance. Forty students from two parallel classes participated, with the experimental group ( = 20) provided with CSE metacognitive descriptors during the translation course while the control group ( = 20) was not. Adopting a pretest-posttest design, qualitative analysis of students' translation processes and products were conducted to investigate students' use of metacognitive strategies.

Design, synthesis, and biological evaluation of 2-substituted-pyridin-4-yl macrocyclic derivatives as new selective HPK1 inhibitors.

Hematopoietic progenitor kinase 1 (HPK1) is a negative regulator of T-cell receptor (TCR) signaling and a promising therapeutic target in immunotherapy. Herein, based on the reported HPK1 inhibitor Compound K, a series of 2-substituted-pyridin-4-yl macrocyclic HPK1 inhibitors was designed and synthesized through structure-based drug design and macrocyclization strategies. Detailed SAR studies led to the discovery of compound 2 t, which exhibits excellent HPK1 inhibitory activity (IC = 1.

Association between the dietary index for gut microbiota and osteoporosis among middle-aged and older adults in the United States.

Osteoporosis is an age-related disease, and the gut microbiota plays a crucial role in regulating bone mineral density (BMD) through modulating nutrient absorption, immunity, and bone metabolism. This research examines the association between the dietary index for gut microbiota (DI-GM) and osteoporosis prevalence among US middle-aged and older adults. We included 7255 middle-aged and elderly adults from the National Health and Nutrition Examination Survey (NHANES) 2007-2020.

Assessing difficulties in regulating negative and positive emotions: The Difficulties in Emotion Regulation Scale-Expanded (DERS-X).

Negative and positive emotion regulation are important to psychological well-being. However, most individual-difference measures of emotion regulation focus primarily or exclusively on negative emotion regulation. In the present research, we sought to expand the widely used Difficulties in Emotion Regulation Scale (DERS) by including items assessing positive as well as negative emotion regulation.

Dual-Probe Strategy-Enabled Multiplex Photoelectrochemical Sensor for Highly Sensitive Screening of Diabetes and Related Complications.

Photoelectrochemical (PEC) biosensing has emerged as a vital tool in disease surveillance and therapeutic monitoring. However, most current PEC platforms are constrained to single biomarker detection, limiting their utility in comprehensive disease management. In this study, we report the development of a dual-target PEC biosensor by integrating silane molecules and β-cyclodextrin (β-CD) with carbon nitride materials, specifically designed for monitoring diabetes and its associated complication, uremia.

Super-amphiphilic adjuvants for enhancing the spreading and deposition performance of pesticide on corn leaves in high-temperature conditions.

This research introduces an interesting approach to improve pesticide delivery to corn leaves during hot climates by developing super-amphiphilic adjuvants through amino pillar[5]arene (AP5A) and cetyltrimethylammonium bromide (CTAB) complexation. The AP5A-CTAB adjuvant functions to improve droplet retention along with spreading capabilities for resolving limitations that exist in small molecule adjuvants. The AP5A-CTAB host-guest complexation was confirmed by UV-Vis, NMR spectroscopy, and Gaussian calculations.

Identifying key factors influencing immersive experiences in virtual reality enhanced museums.

This study investigates how virtual reality (VR) technology shapes immersive experiences in museum environments. It aims to identify the critical factors that determine the quality and effectiveness of immersion and to explore whether overlooked peripheral elements-beyond core constructs such as the Technology Acceptance Model (TAM)-significantly influence user experience. To address these questions, a multi-dimensional, hierarchical indicator framework was developed, encompassing technical, behavioral, and cultural dimensions.

Examining the asymmetric effects of internationalization factors on student satisfaction.

Following the COVID-19 pandemic, an increasing number of Chinese students are choosing to pursue internationalized higher education domestically rather than studying abroad. However, current internationalization strategies are often not fully aligned with students' evolving needs. This study examines the determinants of student satisfaction with internationalization practices at Sino-foreign Cooperative Universities (SFCUs), emphasizing both globally recognized and context-specific elements.

Chronic DBP exposure may cause reduced fertility in female mice by interfering with the HPO axis.

In this study, we investigated the multigenerational effects of low-dose dibutyl phthalate (DBP) exposure on the reproductive system of female Kunming mice by simulating a long-term environmental exposure scenario for humans, using a food-contamination method for three consecutive generations (F0-F2). Results demonstrated significant reproductive dysfunction across generations, manifested by shortened diestrus intervals (P < 0.05) and prolonged estrus duration (P < 0.

Anxiety, depression and family resilience: A three-level meta-analysis.

Background: Perceived family resilience, which refers to the subjective assessment of family members regarding their family's ability to effectively adapt and maintain stability during challenging times, has been negatively correlated with mental health issues such as anxiety and depression in numerous studies; however, the strength of this association has varied significantly across previous research. This study fills this gap through a three-level meta-analysis.

Method: This study aims to obtain reliable estimates of effect sizes and explore potential moderating factors in the relationship between perceived family resilience and symptoms of anxiety and depression.

Identification of natural products targeting human herpesvirus DNA polymerase as antiviral lead.

Infectious herpesviruses are implicated in a broad spectrum of human disorders, from mild cold sores to severe encephalitis and cancers. To combat herpesvirus infections, natural products should be a rich source of potential drug leads. However, natural products have long been bothered by discovering the protein target.

The Impact of Parental Media Attitudes and Mediation Behaviors on Young Children's Problematic Media Use in China: An Actor-Partner Interdependence Mediation Model Analysis.

Young children's problematic media use (PMU) is a growing concern, and parents are critical in shaping early digital habits. However, research often overlooks the dyadic interplay between mothers' and fathers' attitudes and parenting practices. This study examined how parents' favorable attitudes toward child screen media (PASU) predict their own (actor) and their partner's (partner) mediation behaviors, and how these behaviors subsequently mediate the path to children's PMU.

Professional Development for Teachers in the Digital Age: A Comparative Analysis of Online Training Programs and Policy Implementation.

In the digital age, online teacher professional development (TPD) has become a key strategy for enhancing instructional quality and ensuring equitable access to continuous learning. This research compares and analyzes Chinese online teacher professional development (TPD) with the United States over a period of ten years, from 2014 to 2024. This study uses a mixed-methods approach based on policy documents, structured surveys, and interviews to investigate how governance regimes influence TPD outcomes for fair education.

Magnetically actuated multimaterial fiberbot for precise minimally invasive knee laser surgery.

Conventional methods, such as open and arthroscopy-assisted surgery, still encounter challenges in terms of tool flexibility when addressing knee diseases in patients. Robotics has enhanced the precision and efficiency of numerous surgical procedures. However, there is still a lack of minimally invasive surgical tools capable of flexibly resecting knee lesions.

Axial modulation of Fe sites for boosted electrochemical oxidation.

Fe/NC single-atom catalysts have attracted extensive attention due to their maximal atomic utilization and tunable coordination environments. However, the structure-activity relationship of Fe single atoms in electrooxidation remains unclear. Herein, we report a defect engineering strategy to fine-tune the charge configuration of FeN sites by introducing an axial N ligand and constructing FeN-Fe/NC.

Optimizing exercise for perinatal depressive symptoms: A network meta-analysis of effective modalities and doses.

Background: While exercise is a promising strategy for alleviating perinatal depressive symptoms, its clinical potential remains unrealized due to ambiguity in optimal modalities and dosages, hindering targeted clinical prescription and the design of effective interventions. This study aimed to identify the most effective exercise type and dosage for reducing perinatal depressive symptoms severity.

Methods: Randomized controlled trials (RCTs) evaluating exercise for perinatal depressive symptoms were identified from four databases (from inception to November 2024).

Enhanced SSVEP Bionic Spelling via xLSTM-Based Deep Learning with Spatial Attention and Filter Bank Techniques.

Steady-State Visual Evoked Potentials (SSVEPs) have emerged as an efficient means of interaction in brain-computer interfaces (BCIs), achieving bioinspired efficient language output for individuals with aphasia. Addressing the underutilization of frequency information of SSVEPs and redundant computation by existing transformer-based deep learning methods, this paper analyzes signals from both the time and frequency domains, proposing a stacked encoder-decoder (SED) network architecture based on an xLSTM model and spatial attention mechanism, termed SED-xLSTM, which firstly applies xLSTM to the SSVEP speller field. This model takes the low-channel spectrogram as input and employs the filter bank technique to make full use of harmonic information.

Precision Measurement of the Branching Fraction of D^{+}→μ^{+}ν_{μ}.

Using 20.3  fb^{-1} of e^{+}e^{-} collision data collected at a center-of-mass energy of E_{c.m.