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Observing electrolyte motion in commercial cylindrical Li-ion cells using ultrasound imaging 利用超声成像技术观察商用圆柱形锂离子电池中的电解质运动
IF 7.9 2区 工程技术 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239455
Tobias Röhmel , Morian Sonnet , Gereon Stahl , Duc Minh Nguyen , Tim Falkenstein , Dirk Uwe Sauer
Cylindrical Li-ion cells, increasingly adopted in electric vehicles, pose geometry-driven challenges for scanning acoustic microscopy (SAM). While SAM for flat cell formats is well established, spatial ultrasound imaging of cylindrical cells is under explored. We present a compact rotational ultrasound scanner that leverages cylindrical symmetry to generate two-dimensional angle–height images in both through-transmission and reflection using two opposing single-element transducers. To our knowledge, this is the first rotational ultrasound system that provides through-transmission imaging of cylindrical Li-ion cells and the first single-element reflection images that can be directly linked to large-scale internal structures such as current collector tabs. Early-time gating of the first arrival (through) and late gating of the first front-wall echo (reflection) suppresses circumferential and creeping waves, restoring interpretable contrast.
We validate the platform on aluminum reference dummies and demonstrate spatial imaging on three 26650 cells. The scanner produces interpretable angle–height maps in through-transmission and reflection that localize tabs, reveal orientation- and state-of-charge dependent electrolyte redistribution, and highlight stable attenuation features linked to internal mechanical conditions. Co-registration with X-ray CT provides a common angular frame and anchors acoustic contrasts in the underlying structure, establishing ultrasound as a practical complement to existing battery Non-destructive testing (NDT).
{"title":"Observing electrolyte motion in commercial cylindrical Li-ion cells using ultrasound imaging","authors":"Tobias Röhmel ,&nbsp;Morian Sonnet ,&nbsp;Gereon Stahl ,&nbsp;Duc Minh Nguyen ,&nbsp;Tim Falkenstein ,&nbsp;Dirk Uwe Sauer","doi":"10.1016/j.jpowsour.2026.239455","DOIUrl":"10.1016/j.jpowsour.2026.239455","url":null,"abstract":"<div><div>Cylindrical Li-ion cells, increasingly adopted in electric vehicles, pose geometry-driven challenges for scanning acoustic microscopy (SAM). While SAM for flat cell formats is well established, spatial ultrasound imaging of cylindrical cells is under explored. We present a compact rotational ultrasound scanner that leverages cylindrical symmetry to generate two-dimensional angle–height images in both through-transmission and reflection using two opposing single-element transducers. To our knowledge, this is the first rotational ultrasound system that provides through-transmission imaging of cylindrical Li-ion cells and the first single-element reflection images that can be directly linked to large-scale internal structures such as current collector tabs. Early-time gating of the first arrival (through) and late gating of the first front-wall echo (reflection) suppresses circumferential and creeping waves, restoring interpretable contrast.</div><div>We validate the platform on aluminum reference dummies and demonstrate spatial imaging on three 26650 cells. The scanner produces interpretable angle–height maps in through-transmission and reflection that localize tabs, reveal orientation- and state-of-charge dependent electrolyte redistribution, and highlight stable attenuation features linked to internal mechanical conditions. Co-registration with X-ray CT provides a common angular frame and anchors acoustic contrasts in the underlying structure, establishing ultrasound as a practical complement to existing battery Non-destructive testing (NDT).</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239455"},"PeriodicalIF":7.9,"publicationDate":"2026-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146135645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Designing glass sealants for intermediate- and low-temperature solid oxide fuel cells: challenges and prospects 中低温固体氧化物燃料电池玻璃密封胶的设计:挑战与展望
IF 7.9 2区 工程技术 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239579
K. Singh, Paramvir Kaur, Satwinder Singh Danewalia
Glass sealants are indispensable for commercialising the energy-efficient and environmentally friendly planar design of solid oxide fuel/electrolyser cells (SOFC/SOECs). Mostly, alkaline-earth-modified aluminosilicate and aluminoborosilicate glass systems are standard and state-of-the-art glass sealants for high-temperature (HT) SOFCs (700-1000 °C). For intermediate-temperature (IT) and low-temperature (LT) SOFC operation, glass systems such as silicate-, borosilicate-, and phosphate-based glasses have been explored. Borosilicate-based sealants exhibit tunable thermal expansion and a lower characteristic temperature with poor stability in reducing oxygen partial pressure than silicate-based glasses. On the other hand, phosphate-based glasses offer lower sealing temperatures but often exhibit limited chemical durability and thermal stability. Thus, an appropriate glass sealant is still required for IT/LT-SOFCs, which should be compatible with the new set of materials to lower SOFC operating temperatures. Thus, designing suitable glass compositions for IT/LT-SOFCs poses several challenges, owing to the simultaneous requirements of compatibility with various SOFC components, fundamental constraints in optimising glass properties, and stability issues during long-term thermochemical cycles during operation. This perspective presents challenges and prospects for developing new sealant materials for IT/LT-SOFC, along with the background and required properties for glass sealants.
{"title":"Designing glass sealants for intermediate- and low-temperature solid oxide fuel cells: challenges and prospects","authors":"K. Singh,&nbsp;Paramvir Kaur,&nbsp;Satwinder Singh Danewalia","doi":"10.1016/j.jpowsour.2026.239579","DOIUrl":"10.1016/j.jpowsour.2026.239579","url":null,"abstract":"<div><div>Glass sealants are indispensable for commercialising the energy-efficient and environmentally friendly planar design of solid oxide fuel/electrolyser cells (SOFC/SOECs). Mostly, alkaline-earth-modified aluminosilicate and aluminoborosilicate glass systems are standard and state-of-the-art glass sealants for high-temperature (HT) SOFCs (700-1000 °C). For intermediate-temperature (IT) and low-temperature (LT) SOFC operation, glass systems such as silicate-, borosilicate-, and phosphate-based glasses have been explored. Borosilicate-based sealants exhibit tunable thermal expansion and a lower characteristic temperature with poor stability in reducing oxygen partial pressure than silicate-based glasses. On the other hand, phosphate-based glasses offer lower sealing temperatures but often exhibit limited chemical durability and thermal stability. Thus, an appropriate glass sealant is still required for IT/LT-SOFCs, which should be compatible with the new set of materials to lower SOFC operating temperatures. Thus, designing suitable glass compositions for IT/LT-SOFCs poses several challenges, owing to the simultaneous requirements of compatibility with various SOFC components, fundamental constraints in optimising glass properties, and stability issues during long-term thermochemical cycles during operation. This perspective presents challenges and prospects for developing new sealant materials for IT/LT-SOFC, along with the background and required properties for glass sealants.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239579"},"PeriodicalIF":7.9,"publicationDate":"2026-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146135648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trimetallic WFeMoB cotton cloud electrocatalyst for efficient electrochemical water splitting under harsh industrial conditions 用于恶劣工业条件下高效电化学水分解的三金属WFeMoB棉云电催化剂
IF 7.9 2区 工程技术 Q1 CHEMISTRY, PHYSICAL Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239576
Md Najibullah, Mehedi Hasan Joni, Sumiya Akter Dristy, Md Ahasan Habib, Jihoon Lee
Green hydrogen offers a sustainable pathway to meet global energy demand while reducing carbon emissions. However, its scalable production requires robust electrocatalyst derived from earth-abundant elements. In this work, a trimetallic WFeMoB cotton cloud (CC) electrocatalyst synthesized via a single-step hydrothermal approach is reported, exhibiting exceptional catalytic activity and durability under harsh industrial conditions. The WFeMoB CC achieves low overpotentials of 197 mV for the oxygen evolution reaction (OER) and 332 mV for the hydrogen evolution reaction (HER) at 300 mA/cm2. The bifunctional cell of WFeMoB(−) || WFeMoB(+) achieves a low cell voltage of 2.78 V at high current density of 2000 mA/cm2 in 1 M KOH, outperforming the benchmark system of Pt/C(−) || RuO2(+) and maintains stable operation for 150 h. Moreover, the hybrid Pt/C(−) || WFeMoB(+) configuration operates at only 2.32 V at 2000 mA/cm2 under industrial conditions (6 M KOH, 60 °C).
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引用次数: 0
Selecting the right samples rather than more samples: A new spectral–environmental similarity strategy for local soil spectral modeling 选择正确的样本而不是更多的样本:一种新的光谱-环境相似策略用于局部土壤光谱建模
IF 6.6 1区 农林科学 Q1 SOIL SCIENCE Pub Date : 2026-02-07 DOI: 10.1016/j.geoderma.2026.117710
Liangyi Li , Zipeng Zhang , Minglu Sun , Jianli Ding , Jingzhe Wang , Dong Xu , Yuanyuan Huang
Addressing the dual challenges of limited sample size and high environmental heterogeneity in small-scale soil organic carbon (SOC) spectral modeling, this study proposes a fundamental hypothesis: selecting samples that are similar to the target region in both “spectral features and environmental characteristics” is more effective for improving prediction accuracy and stability. Based on this assumption, we developed a synergistic sample transfer strategy that integrates spectral similarity with environmental similarity under the Third Law of Geography, aiming to systematically screen the most comparable samples from the global soil spectral library to enhance the performance and robustness of local SOC modeling. A spectral-environmental similarity framework was established to identify samples that are simultaneously similar to the target region in spectral properties and environmental settings, and instance-based transfer modeling experiments were conducted in five representative small-sample regions (A-E). Results show that the synergistic strategy significantly improved modeling performance in most regions, with maximum increases in predictive power (as indicated by R2) of up to 18% compared with the baseline global transfer model. Remarkably, even when the number of global samples was reduced from 20,961 to around 200, the proposed strategy still outperformed local modeling and conventional global modeling approaches. In relatively stable environments, higher weights on environmental similarity yielded the best models, whereas in highly heterogeneous regions, spectral similarity played a more dominant role. The synergistic strategy also optimized the distribution of important spectral bands, enhanced SOC-responsive features in the visible region (450–750 nm), suppressed redundant information, and improved modeling efficiency. This study demonstrates that the proposed spectral-environmental synergistic sample transfer modeling method not only challenges the conventional assumption that “more samples guarantee better models” but also provides a novel pathway and theoretical support for the efficient use of global soil spectral libraries in regional SOC modeling.
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引用次数: 0
Subject islands do not reduce to construction-specific discourse function. 主语岛并不简化为特定结构的话语功能。
IF 2.8 1区 心理学 Q1 PSYCHOLOGY, EXPERIMENTAL Pub Date : 2026-02-07 DOI: 10.1016/j.cognition.2026.106467
Mandy Cartner, Matthew Kogan, Nikolas Webster, Matthew Wagers, Ivy Sichel

A central question about our shared capacity for language is how it is integrated with other cognitive systems. One important debate focuses on the extent to which the form of linguistic expressions is grounded in their communicative function: Can all constraints on linguistic form be attributed to the way constructions package information, or is linguistic form autonomous of meaning and function? One area of disagreement involves islands: phrases which block the formation of long-distance filler-gap dependencies (Ross, 1967). Grammatical subjects are considered islands, since questioning a sub-part of a subject results in an ill-formed sentence, e.g., "Which topic did the article about inspire you?". Autonomous syntactic approaches to islands attribute this ungrammaticality to the abstract movement dependency between the wh-phrase and the subject-internal position with which it is associated. An alternative developed in Abeillé et al. (2020) suggests that subjects' island status is specific to the information structure of wh-questions, suggesting that subjects are not islands for movement, but for focusing, due to their discourse-backgroundedness. This predicts that other constructions that involve movement but not focusing should not create a subject island effect. We test this in three acceptability studies, using a factorial design to isolate subject island violations across three constructions: wh-questions, relative clauses and topicalization. We find a subject island effect in each case, despite only wh-questions introducing what Abeillé et al. (2020) call "a clash in information structure". We argue that this motivates an account of islands in terms of syntactic representations shared across constructions, independent of communicative function.

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引用次数: 0
Sex differences in the efficacy of cognitive behavioral therapy for adults with attention-deficit/hyperactivity disorder 成人注意缺陷/多动障碍认知行为治疗效果的性别差异
IF 1.5 4区 医学 Q2 PSYCHIATRY Pub Date : 2026-02-07 DOI: 10.1016/j.ejpsy.2026.100345
Juan Jesús Crespín , Montse Corrales , Vanesa Richarte , Gemma Parramón , Santiago Biel , Ferran Mestres , Carolina Ramos-Sayalero , Pol Ibáñez , Gemma Nieva , Carla Torrent , Derek Clougher , Christian Fadeuilhe , Silvia Amoretti , Josep Antoni Ramos-Quiroga

Background and objectives

Cognitive Behavioral Therapy (CBT) is an effective adjunctive treatment for Attention-Deficit/Hyperactivity Disorder (ADHD). This study examined sex differences in the efficacy of a brief 6-session CBT program versus a traditional 12-session format, combined with stable pharmacotherapy, in adults with ADHD.

Methods

A total of 81 adults (58 % male; 41.27 ± 9.26 years) were randomly assigned to 6- or 12-session CBT. ADHD symptoms, psychopathology, and functioning were assessed at baseline, post-treatment, and 3- and 6-month follow-up. Mixed-effects models analyzed interactions between time, treatment group, and sex.

Results

At baseline, females exhibited greater symptom severity (p = 0.019), higher inattention (p < 0.001), and more pronounced impairments (p = 0.004). CBT led to significant clinical improvements regardless of sex. A significant time-by-sex interaction emerged for inattention (CAARS:O:L, p = 0.043), although it did not remain significant after adjusting for baseline severity. Regarding time × group × sex interactions, females in the 6-session group showed smaller reductions in clinical severity during follow-up (CGI-S, p = 0.047); however, this effect was no longer statistically significant after controlling for baseline ADHD severity. Findings should be interpreted with caution given the limited female sample at follow-up and the significant influence of initial symptom burden on long-term trajectories.

Conclusions

CBT improves ADHD symptoms and related impairments in adults, with comparable overall benefits across sexes. Treatment response follow-up differences were better explained by baseline severity and treatment intensity rather than sex-specific differences.
{"title":"Sex differences in the efficacy of cognitive behavioral therapy for adults with attention-deficit/hyperactivity disorder","authors":"Juan Jesús Crespín ,&nbsp;Montse Corrales ,&nbsp;Vanesa Richarte ,&nbsp;Gemma Parramón ,&nbsp;Santiago Biel ,&nbsp;Ferran Mestres ,&nbsp;Carolina Ramos-Sayalero ,&nbsp;Pol Ibáñez ,&nbsp;Gemma Nieva ,&nbsp;Carla Torrent ,&nbsp;Derek Clougher ,&nbsp;Christian Fadeuilhe ,&nbsp;Silvia Amoretti ,&nbsp;Josep Antoni Ramos-Quiroga","doi":"10.1016/j.ejpsy.2026.100345","DOIUrl":"10.1016/j.ejpsy.2026.100345","url":null,"abstract":"<div><h3>Background and objectives</h3><div>Cognitive Behavioral Therapy (CBT) is an effective adjunctive treatment for Attention-Deficit/Hyperactivity Disorder (ADHD). This study examined sex differences in the efficacy of a brief 6-session CBT program versus a traditional 12-session format, combined with stable pharmacotherapy, in adults with ADHD.</div></div><div><h3>Methods</h3><div>A total of 81 adults (58 % male; 41.27 ± 9.26 years) were randomly assigned to 6- or 12-session CBT. ADHD symptoms, psychopathology, and functioning were assessed at baseline, post-treatment, and 3- and 6-month follow-up. Mixed-effects models analyzed interactions between time, treatment group, and sex.</div></div><div><h3>Results</h3><div>At baseline, females exhibited greater symptom severity (p = 0.019), higher inattention (p &lt; 0.001), and more pronounced impairments (p = 0.004). CBT led to significant clinical improvements regardless of sex. A significant time-by-sex interaction emerged for inattention (CAARS:O:L, p = 0.043), although it did not remain significant after adjusting for baseline severity. Regarding time × group × sex interactions, females in the 6-session group showed smaller reductions in clinical severity during follow-up (CGI-S, p = 0.047); however, this effect was no longer statistically significant after controlling for baseline ADHD severity. Findings should be interpreted with caution given the limited female sample at follow-up and the significant influence of initial symptom burden on long-term trajectories.</div></div><div><h3>Conclusions</h3><div>CBT improves ADHD symptoms and related impairments in adults, with comparable overall benefits across sexes. Treatment response follow-up differences were better explained by baseline severity and treatment intensity rather than sex-specific differences.</div></div>","PeriodicalId":12045,"journal":{"name":"European Journal of Psychiatry","volume":"40 2","pages":"Article 100345"},"PeriodicalIF":1.5,"publicationDate":"2026-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146135651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Existing and future use cases, and safety and ethical considerations for AI in body image, and eating disorder prevention. 现有和未来的用例,以及人工智能在身体形象和饮食失调预防方面的安全和伦理考虑。
IF 5.4 1区 心理学 Q1 PSYCHIATRY Pub Date : 2026-02-07 DOI: 10.1016/j.bodyim.2026.102042
Nadia Craddock, Harriet G Smith, Jake Linardon, Tracy L Tylka, Phillippa C Diedrichs

Artificial intelligence (AI) is rapidly transforming digital, clinical, and cultural landscapes in ways that hold significant implications for body image and eating disorder (ED) prevention. This article outlines how traditional and generative AI technologies influence societal appearance ideals as well as digital environments, including online mental health tools. While AI offers opportunities for early detection, personalized and scalable prevention, and the promotion of more inclusive representation, it also poses ethical and psychological risks, including amplification of harmful appearance ideals, algorithmic bias, and overreliance on technology. This article identifies key research priorities relevant to body image spanning macro-level impacts, emerging use cases, ethics and safety, equity and representation in datasets, public perceptions, and the need for interdisciplinary and participatory governance. As AI becomes embedded in everyday life, its responsible and safe use will be critical to ensuring it does not exacerbate body image concerns or increase ED risk.

{"title":"Existing and future use cases, and safety and ethical considerations for AI in body image, and eating disorder prevention.","authors":"Nadia Craddock, Harriet G Smith, Jake Linardon, Tracy L Tylka, Phillippa C Diedrichs","doi":"10.1016/j.bodyim.2026.102042","DOIUrl":"https://doi.org/10.1016/j.bodyim.2026.102042","url":null,"abstract":"<p><p>Artificial intelligence (AI) is rapidly transforming digital, clinical, and cultural landscapes in ways that hold significant implications for body image and eating disorder (ED) prevention. This article outlines how traditional and generative AI technologies influence societal appearance ideals as well as digital environments, including online mental health tools. While AI offers opportunities for early detection, personalized and scalable prevention, and the promotion of more inclusive representation, it also poses ethical and psychological risks, including amplification of harmful appearance ideals, algorithmic bias, and overreliance on technology. This article identifies key research priorities relevant to body image spanning macro-level impacts, emerging use cases, ethics and safety, equity and representation in datasets, public perceptions, and the need for interdisciplinary and participatory governance. As AI becomes embedded in everyday life, its responsible and safe use will be critical to ensuring it does not exacerbate body image concerns or increase ED risk.</p>","PeriodicalId":48312,"journal":{"name":"Body Image","volume":"56 ","pages":"102042"},"PeriodicalIF":5.4,"publicationDate":"2026-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146144238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling interactive car-following behaviors of automated and human-driven vehicles in safety-critical events: a multi-agent state-space attention-enhanced framework. 安全关键事件中自动驾驶和人类驾驶车辆的交互式跟车行为建模:一个多智能体状态空间注意力增强框架。
IF 6.2 1区 工程技术 Q1 ERGONOMICS Pub Date : 2026-02-07 DOI: 10.1016/j.aap.2026.108447
Qingwen Pu, Kun Xie, Hongyu Guo

As automated vehicles (AVs) become increasingly prevalent in mixed-traffic environments, it is essential to understand how they interact with human-driven vehicles (HDVs), especially in safety-critical situations. Existing research has primarily focused on AVs' collision avoidance strategies, often neglecting how AV maneuvers simultaneously influence the decision-making behaviors of HDVs. This study develops the multi-agent state-space attention-enhanced deep deterministic policy gradient (MA-ASS-DDPG) framework, leveraging the Third Generation Simulation (TGSIM) dataset for the first time to learn interactive car-following behaviors of an AV and the following human-driven vehicles (FHDV) in safety-critical scenarios. By integrating the attention mechanism to dynamically prioritize critical motion features and the state-space model to effectively capture temporal dependencies, the proposed framework models AVs executing collision avoidance strategies while simultaneously prompting HDVs to adapt their behaviors to mitigate potential risks. Results showed that MA-ASS-DDPG demonstrated superior performance in learning maneuvers of both the AV and the FHDV, outperforming counterpart models. Further, the MA-ASS-DDPG was used to reconstruct evasive trajectories of AVs and HDVs in safety-critical scenarios, and the reconstructed data successfully replicated reaction times comparable to real-world observations, further validating the model's effectiveness. Analysis showed that AVs following HDVs reacted 0.3473 s faster than HDV-HDV pairs, while HDVs following AVs reacted 0.2143 s faster, demonstrating more cautious and adaptive driving in response to AV maneuvers. Counterfactual analysis revealed that HDVs following AVs adopt more conservative speeds and larger acceleration variability. In addition, incorporating a safety term into the reward function of the learning framework leads to substantial improvements in safety performance, including reduced conflict occurrences, fewer high-risk deceleration events, and enhanced car-following stability. These outcomes of this study can support safety-aware traffic simulation, scenario-based safety testing, and enhanced AV control strategies in mixed-traffic environments.

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引用次数: 0
The role of streamer trustworthiness and attractiveness in enhancing viewer engagement and mindfulness in live streaming. 在直播中,主播的可信度和吸引力在提高观众参与度和专注力方面的作用。
IF 2.7 4区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL Pub Date : 2026-02-07 DOI: 10.1016/j.actpsy.2026.106367
Madina Khudaykulova, Yuanqiong He, Bojan Obrenovic, Akmal Khudaykulov, Nurbanu Abueva

The current study aims to propose, develop, and validate a conceptual framework featuring viewer engagement and psychological consequences in the context of live streaming commerce. Focusing on how streamers' trustworthiness and attractiveness shape streamers' state mindfulness experiences for live streaming commerce among Uzbekistan-based consumers, our framework draws upon Stimulus-Organism-Response (S-O-R); Uses and Gratifications Theory (UGT) and Social Cognitive Theory (SCT). Survey data generated 319 valid responses from livestream viewers in Uzbekistan, which were used to empirically evaluate the proposed model through Structural Equation Modeling (SEM). Findings reveal that participants engage in a three-stage process, which includes the stimulus, organism, and response stage, in shaping their psychological engagement during livestreaming. The evidence demonstrates that streamer trustworthiness and attractiveness serve as important precursors to information seeking, recognition, and escapism gratifications, which, in turn, enhance mindful engagement online. By offering insights into viewers' mental and emotional reactions to streamer cues in a developing market environment, the study is expected to guide the creation of livestreaming platforms that foster sustained attention and online well-being in Uzbekistan and other developing economies with similar socio-cultural settings.

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引用次数: 0
The influence of fulvic acid on molybdenum bioavailability assessed by Caenorhabditis elegans. 黄腐酸对秀丽隐杆线虫钼生物利用度的影响。
IF 8.4 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-02-07 DOI: 10.1016/j.jenvman.2026.128895
Qian Huang, Lingfang Cui, Zhixin Song, Ming Li, Chao Zhang, Wenzhong Tang, Jianyin Huang

Molybdenum (Mo), a vital metallic element for the growth of flora and fauna, holds considerable commercial significance. However, research on Mo toxicity and its bioavailability remains limited. This study exploited the model organism Caenorhabditis elegans to examine the biological toxicity of Mo exposure in aquatic environments. By simulating environmental systems, the influence of fulvic acid (FA) on the bioavailability of Mo was investigated. The EquRay (Equilibrium Partitioning Ray) method was utilized to develop a binary mixed exposure system, exposing nematodes to a combination of FA and Mo with increased reactivity to examine the impact of FA on the composite toxicity of Mo. The results indicated that high-concentration Mo exposure (3000 mg L-1) led to significant abnormalities in nematode survival and movement, with a 24-h median lethal concentration (LC50) of 6000 mg L-1. However, the addition of FA did not significantly ameliorate the survival toxicity of Mo but instead generated abnormally hyperactive movement in nematodes, particularly manifested as robust head thrashing,which was significantly higher than that of the control group. This study integrates "pollutants - biomarkers - effects" to analyze the bioavailability of heavy metals and their influencing factors, offering experimental evidence and theoretical support for creating and forecasting ecological risk models of heavy metal Mo in aquatic environments.

{"title":"The influence of fulvic acid on molybdenum bioavailability assessed by Caenorhabditis elegans.","authors":"Qian Huang, Lingfang Cui, Zhixin Song, Ming Li, Chao Zhang, Wenzhong Tang, Jianyin Huang","doi":"10.1016/j.jenvman.2026.128895","DOIUrl":"https://doi.org/10.1016/j.jenvman.2026.128895","url":null,"abstract":"<p><p>Molybdenum (Mo), a vital metallic element for the growth of flora and fauna, holds considerable commercial significance. However, research on Mo toxicity and its bioavailability remains limited. This study exploited the model organism Caenorhabditis elegans to examine the biological toxicity of Mo exposure in aquatic environments. By simulating environmental systems, the influence of fulvic acid (FA) on the bioavailability of Mo was investigated. The EquRay (Equilibrium Partitioning Ray) method was utilized to develop a binary mixed exposure system, exposing nematodes to a combination of FA and Mo with increased reactivity to examine the impact of FA on the composite toxicity of Mo. The results indicated that high-concentration Mo exposure (3000 mg L<sup>-1</sup>) led to significant abnormalities in nematode survival and movement, with a 24-h median lethal concentration (LC<sub>50</sub>) of 6000 mg L<sup>-1</sup>. However, the addition of FA did not significantly ameliorate the survival toxicity of Mo but instead generated abnormally hyperactive movement in nematodes, particularly manifested as robust head thrashing,which was significantly higher than that of the control group. This study integrates \"pollutants - biomarkers - effects\" to analyze the bioavailability of heavy metals and their influencing factors, offering experimental evidence and theoretical support for creating and forecasting ecological risk models of heavy metal Mo in aquatic environments.</p>","PeriodicalId":356,"journal":{"name":"Journal of Environmental Management","volume":"401 ","pages":"128895"},"PeriodicalIF":8.4,"publicationDate":"2026-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146140752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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