Escalating global energy demands and climate urgency necessitate advanced electrochemical energy conversion and storage technologies(EECSTs)like electrocatalysis and rechargeable batteries.Improving their performance ...Escalating global energy demands and climate urgency necessitate advanced electrochemical energy conversion and storage technologies(EECSTs)like electrocatalysis and rechargeable batteries.Improving their performance relies on elucidating reaction mechanisms and structure-performance relationships via in situ studies.This review summarizes recent in situ studies of EECSTs through a variety of advanced characterization techniques aiming at mapping reaction pathways for the rational design of overall high-performance reaction systems.We outline the principles,capabilities,advantages,and limitations of various in situ techniques.Their applications in in situ studies of fuel cells,water/CO_(2)electrolysis,and lithium batteries are highlighted with representative examples.These studies enable dynamic tracking of chemical and structural evolution of overall reaction systems,including materials,intermediates,products,and surroundings during operation,providing insights critical to rational system design.Future advancements will involve integrating multimodal in situ/operando approaches with artificial intelligence to enable real-time monitoring at practical scales.Such integration promises precise mechanistic insights and robust structure-performance correlations,ultimately accelerating the development of high-performance EECSTs aligned with sustainability and market requirements.展开更多
From September 1 7 to 1 9, the 5th China International Copy-right Expo （CICE） took place in Chengdu, capital city of Sichuan province. CICE, dubbed as ＂copy-right Olympics＂, featured the theme of＂ copyright in...From September 1 7 to 1 9, the 5th China International Copy-right Expo （CICE） took place in Chengdu, capital city of Sichuan province. CICE, dubbed as ＂copy-right Olympics＂, featured the theme of＂ copyright innovation and development＂ this year. i2 thematic events were held during the expo,展开更多
目的 探讨STAT活化抑制蛋白2(protein inhibitor of the activated STAT2, PIAS2)基因在前列腺癌中的表达水平及其与临床病理特征的关系,以及PIAS2对前列腺癌脂质代谢重编程的潜在作用。方法 采用癌症基因图谱(The Cancer Genome Atlas ...目的 探讨STAT活化抑制蛋白2(protein inhibitor of the activated STAT2, PIAS2)基因在前列腺癌中的表达水平及其与临床病理特征的关系,以及PIAS2对前列腺癌脂质代谢重编程的潜在作用。方法 采用癌症基因图谱(The Cancer Genome Atlas Program,TCGA)数据库和人类蛋白图谱(Human Protein Atas,HPA)免疫组化分析显示PIAS2蛋白的表达情况;采用qRT-PCR、Western bolt及免疫组化检测前列腺癌组织和周围癌旁组织中PIAS2的表达,并分析其与患者临床病理特征的关系;慢病毒感染前列腺癌细胞株PC-3M,稳定敲低PIAS2,通过超高效液相色谱质谱技术(UPLC-MS)进行脂质组学分析。结果 TCGA分析显示PIAS2在前列腺癌组织的表达高于癌旁组织,HPA免疫组化分析显示PIAS2蛋白在前列腺癌组织高表达;PIAS2 mRNA和蛋白在前列腺癌中的表达量相较于癌旁组织均有显著提升,差异有统计学意义(P<0.05);免疫组织化学显示PIAS2蛋白表达主要定位在前列腺的细胞核,且前列腺癌组织的AOD值显著高于癌旁组织:临床病理参数研究结果显示,PIAS2与Gleason评分、TNM分期具有相关性(P<0.05),而与患者年龄、PSA及淋巴结转移之间相关性无统计学意义(P > 0.05);UPLC-MS分析提示,敲降PIAS2影响10种脂类变化,与shNC组相比,shPIAS2组的磷脂酰胆碱和磷脂酰乙醇胺的含量下调,磷脂酰肌醇、磷脂酰丝氨酸、二酰基甘油和三酰基甘油的含量上调。结论 PIAS2蛋白的表达量在前列腺癌组织中明显升高,提示PIAS2与前列腺癌的发生发展有关,其发病机制可能与前列腺癌的脂质代谢异常相关。展开更多
BACKGROUND Thirst management in convalescent patients recovering from a digestive surgery performed under general anesthesia requires attention.A simple,practical,and safe method can effectively relieve thirst symptom...BACKGROUND Thirst management in convalescent patients recovering from a digestive surgery performed under general anesthesia requires attention.A simple,practical,and safe method can effectively relieve thirst symptoms in such patients.AIM To evaluate the enhanced recovery after surgery(ERAS)-based evidence-based care(EBC)plus ice stimulation therapy for thirst management of convalescent patients following digestive surgery performed under general anesthesia.METHODS A total of 191 patients convalescing after digestive surgery performed under general anesthesia between March 2020 and February 2023 and experiencing thirst were selected.In total,89 patients and 102 patients in the control and research groups received routine care and ERAS-based EBC plus ice stimulation therapy,respectively.The following data were comparatively analyzed:(1)Thirst degree(thirst intensity numerical rating scale)and thirst distress(TD)degree(TD scale);(2)Oral mucosal wetness;(3)Unstimulated whole salivary flow rate(UWSFR);(4)Adverse reactions(palpitation,fatigue,chapped lips,and nausea and vomiting);and(5)Nursing satisfaction.RESULTS After nursing,thirst degree and distress were statistically lower in the research group than in the control group.Additionally,compared with the control group,the research group exhibited a lower degree of oral mucosal wetness,higher UWSFR,fewer adverse reactions,and more total nursing satisfaction.CONCLUSION ERAS-based EBC plus ice stimulation therapy can effectively alleviate thirst in convalescent patients recovering from a digestive surgery performed under general anesthesia.It can alleviate xerostomia symptoms,reduce adverse reactions,and improve patient comfort.展开更多
Li_(6)PS_(5)Cl is a highly wanted sulfide-solid-electrolyte(SSE)for developing all-solid-state lithium batteries,due to its high ionic conductivity,good processability and abundant compositional elements.However,its c...Li_(6)PS_(5)Cl is a highly wanted sulfide-solid-electrolyte(SSE)for developing all-solid-state lithium batteries,due to its high ionic conductivity,good processability and abundant compositional elements.However,its cyclability is poor because of harmful side reactions at the Li_(6)PS_(5)Cl/Li interface and growth of lithium dendrites inside Li_(6)PS_(5)Cl phase.Herein,we report a simple interface-engineering remedy to boost the electrochemical performance of Li_(6)PS_(5)Cl,by coating its surface with a Li-compatible electrolyte Li3OCl having low electronic conductivity.The obtainedLi_(6)PS_(5)Cl@Li_(3)OCl core@shell structure exhibits a synergistic effect.Consequently,compared with the bare Li_(6)PS_(5)Cl,this composite electrolyte exhibits great performance improvements:1)In Li|electrolyte|Li symmetric cells,the critical current density at 30℃gets increased from 0.6 mA cm^(-2)to 1.6 mA cm^(-2),and the lifetime gets prolonged from 320 h to 1400 h at the cycling current of 0.2 mA cm^(-2)or from 10 h to 900 h at the cycling current of 0.5 mA cm^(-2);2)In Li|electrolyte|NCM721 full cells running at 30℃,the cycling capacity at 0.2 C(or 0.5 C)gets enhanced by 20%(or from unfeasible to be feasible)for 100 cycles and the rate capability reaches up to 2 C from 0.2 C;and in full cells running at 60℃,the cycling capacity is increased by 7%at 0.2 C and the rate capability is enhanced to 3.0 C from 0.5 C.The experimental studies and theoretical computations show that the performance enhancements are due to the confined electron penetration and suppressed lithium dendrites growth at theLi_(6)PS_(5)Cl@Li_(3)OCl interface.展开更多
目的了解重症肌无力生活质量(myasthenia gravis-quality of life,MG-QOL)研究的现状和热点。方法检索Web of Science核心合集数据库,分析1985年(建库)至2022-4-26收录的有关MG-QOL研究文献,运用文献计量学分析方法,采用VOSviewer和Cite...目的了解重症肌无力生活质量(myasthenia gravis-quality of life,MG-QOL)研究的现状和热点。方法检索Web of Science核心合集数据库,分析1985年(建库)至2022-4-26收录的有关MG-QOL研究文献,运用文献计量学分析方法,采用VOSviewer和CiteSpace软件对发文的国家、机构、作者、期刊分布、文献共被引及聚类进行可视化分析。结果共检索到320篇文献,由来自49个国家、625个研究机构的1387位作者发表于165种期刊。美国、意大利、德国的文献发表量最高。弗吉尼亚大学、多伦多医院、综合花卷医院发文量位居研究机构的前3位。刊载量最大的期刊为Muscle&Nerve。Burns TM、Sanders DB二位学者学术影响力、权威性最高。体育锻炼、特异性自身抗体、难治性重症肌无力已成为MG-QOL研究的前沿和热点。结论QOL是MG研究的重要组成部分,对诊疗的有效性评价作用日益增强,越来越多的研究纳入了更广泛的贴近于现实生活的影响因素。展开更多
The structural integrity monitoring of high-density polyethylene(HDPE)geomembranes in landfill containment systems presents a critical engineering challenge due to the material’s vulnerability to mechanical degradati...The structural integrity monitoring of high-density polyethylene(HDPE)geomembranes in landfill containment systems presents a critical engineering challenge due to the material’s vulnerability to mechanical degradation and the complex vibration propagation characteristics in large-scale installations.This study proposes a dual-stream deep learning framework that synergistically integrates raw vibration signal analysis with physics-guided feature extraction to achieve precise rupture detection and localization.Themethodology employs a hierarchical neural architecture comprising two parallel branches:a 1D convolutional network processing raw accelerometer signals to capture multi-scale temporal patterns,and a physics-informed branch extracting material-specific resonance features through continuous wavelet transform(CWT)and energy ratio quantification.A novel gated attention mechanism dynamically fuses these heterogeneous modalities,adaptively weighting their contributions based on localized signal characteristics—prioritizing high-frequency transient features near damage zones while emphasizing physics-derived energy anomalies in intact regions.Spatial correlations among distributed sensors aremodeled via graph convolutional networks(GCNs)that incorporate geometric topology and vibration transmission dynamics,enabling robust anomaly propagation analysis.展开更多
基金supported by the National Key Research and Development Program of China(2023YFA1508004)the National Natural Science Foundation of China(T2293692,22502164,92472203,22222903,52271229,22472074,22272069,22361132532,and 22021001)+6 种基金the Industry-University-Research Joint Innovation Project of Fujian Province(2023H6029)the Beijing National Laboratory for Molecular Sciences(BNLMS202305)the Scientific and Technological Project of Yunnan Precious Metals Laboratory(YPML-20240502063)the Liaoning Binhai Laboratory(Grant No.2024-05)the State Key Laboratory of Fine Chemicals,Dalian University of Technology(KF 2401)the Postdoctoral Fellowship Program of CPSF under Grant Number GZC20240897the China Postdoctoral Science Foundation(No.2025M770016).
文摘Escalating global energy demands and climate urgency necessitate advanced electrochemical energy conversion and storage technologies(EECSTs)like electrocatalysis and rechargeable batteries.Improving their performance relies on elucidating reaction mechanisms and structure-performance relationships via in situ studies.This review summarizes recent in situ studies of EECSTs through a variety of advanced characterization techniques aiming at mapping reaction pathways for the rational design of overall high-performance reaction systems.We outline the principles,capabilities,advantages,and limitations of various in situ techniques.Their applications in in situ studies of fuel cells,water/CO_(2)electrolysis,and lithium batteries are highlighted with representative examples.These studies enable dynamic tracking of chemical and structural evolution of overall reaction systems,including materials,intermediates,products,and surroundings during operation,providing insights critical to rational system design.Future advancements will involve integrating multimodal in situ/operando approaches with artificial intelligence to enable real-time monitoring at practical scales.Such integration promises precise mechanistic insights and robust structure-performance correlations,ultimately accelerating the development of high-performance EECSTs aligned with sustainability and market requirements.
文摘From September 1 7 to 1 9, the 5th China International Copy-right Expo （CICE） took place in Chengdu, capital city of Sichuan province. CICE, dubbed as ＂copy-right Olympics＂, featured the theme of＂ copyright innovation and development＂ this year. i2 thematic events were held during the expo,
文摘BACKGROUND Thirst management in convalescent patients recovering from a digestive surgery performed under general anesthesia requires attention.A simple,practical,and safe method can effectively relieve thirst symptoms in such patients.AIM To evaluate the enhanced recovery after surgery(ERAS)-based evidence-based care(EBC)plus ice stimulation therapy for thirst management of convalescent patients following digestive surgery performed under general anesthesia.METHODS A total of 191 patients convalescing after digestive surgery performed under general anesthesia between March 2020 and February 2023 and experiencing thirst were selected.In total,89 patients and 102 patients in the control and research groups received routine care and ERAS-based EBC plus ice stimulation therapy,respectively.The following data were comparatively analyzed:(1)Thirst degree(thirst intensity numerical rating scale)and thirst distress(TD)degree(TD scale);(2)Oral mucosal wetness;(3)Unstimulated whole salivary flow rate(UWSFR);(4)Adverse reactions(palpitation,fatigue,chapped lips,and nausea and vomiting);and(5)Nursing satisfaction.RESULTS After nursing,thirst degree and distress were statistically lower in the research group than in the control group.Additionally,compared with the control group,the research group exhibited a lower degree of oral mucosal wetness,higher UWSFR,fewer adverse reactions,and more total nursing satisfaction.CONCLUSION ERAS-based EBC plus ice stimulation therapy can effectively alleviate thirst in convalescent patients recovering from a digestive surgery performed under general anesthesia.It can alleviate xerostomia symptoms,reduce adverse reactions,and improve patient comfort.
基金supported by the National Key Research and Development Program of China (2018YFE0111600)Haihe Laboratory of Sustainable Chemical Transformations for financial supportpartially supported by the Graduate Top-notch Innovation Award Plan in Liberal Arts and Science of Tianjin University for the Year of 2023 (B2-2023-012)
文摘Li_(6)PS_(5)Cl is a highly wanted sulfide-solid-electrolyte(SSE)for developing all-solid-state lithium batteries,due to its high ionic conductivity,good processability and abundant compositional elements.However,its cyclability is poor because of harmful side reactions at the Li_(6)PS_(5)Cl/Li interface and growth of lithium dendrites inside Li_(6)PS_(5)Cl phase.Herein,we report a simple interface-engineering remedy to boost the electrochemical performance of Li_(6)PS_(5)Cl,by coating its surface with a Li-compatible electrolyte Li3OCl having low electronic conductivity.The obtainedLi_(6)PS_(5)Cl@Li_(3)OCl core@shell structure exhibits a synergistic effect.Consequently,compared with the bare Li_(6)PS_(5)Cl,this composite electrolyte exhibits great performance improvements:1)In Li|electrolyte|Li symmetric cells,the critical current density at 30℃gets increased from 0.6 mA cm^(-2)to 1.6 mA cm^(-2),and the lifetime gets prolonged from 320 h to 1400 h at the cycling current of 0.2 mA cm^(-2)or from 10 h to 900 h at the cycling current of 0.5 mA cm^(-2);2)In Li|electrolyte|NCM721 full cells running at 30℃,the cycling capacity at 0.2 C(or 0.5 C)gets enhanced by 20%(or from unfeasible to be feasible)for 100 cycles and the rate capability reaches up to 2 C from 0.2 C;and in full cells running at 60℃,the cycling capacity is increased by 7%at 0.2 C and the rate capability is enhanced to 3.0 C from 0.5 C.The experimental studies and theoretical computations show that the performance enhancements are due to the confined electron penetration and suppressed lithium dendrites growth at theLi_(6)PS_(5)Cl@Li_(3)OCl interface.
文摘目的了解重症肌无力生活质量(myasthenia gravis-quality of life,MG-QOL)研究的现状和热点。方法检索Web of Science核心合集数据库,分析1985年(建库)至2022-4-26收录的有关MG-QOL研究文献,运用文献计量学分析方法,采用VOSviewer和CiteSpace软件对发文的国家、机构、作者、期刊分布、文献共被引及聚类进行可视化分析。结果共检索到320篇文献,由来自49个国家、625个研究机构的1387位作者发表于165种期刊。美国、意大利、德国的文献发表量最高。弗吉尼亚大学、多伦多医院、综合花卷医院发文量位居研究机构的前3位。刊载量最大的期刊为Muscle&Nerve。Burns TM、Sanders DB二位学者学术影响力、权威性最高。体育锻炼、特异性自身抗体、难治性重症肌无力已成为MG-QOL研究的前沿和热点。结论QOL是MG研究的重要组成部分,对诊疗的有效性评价作用日益增强,越来越多的研究纳入了更广泛的贴近于现实生活的影响因素。
基金supported by the Research and Talent Development Base for Intelligent Monitoring,Early Warning,and Emergency Management of Major Environmental Risk Sources in the Yellow River Basin(24RCXM58)Research and Demonstration of Key Technologies for Long-Term Service and Smart Operation of Major Environmental Safety Infrastructure(Solid and Hazardous Wastes)in the Yellow River Basin(24ZYQA025).
文摘The structural integrity monitoring of high-density polyethylene(HDPE)geomembranes in landfill containment systems presents a critical engineering challenge due to the material’s vulnerability to mechanical degradation and the complex vibration propagation characteristics in large-scale installations.This study proposes a dual-stream deep learning framework that synergistically integrates raw vibration signal analysis with physics-guided feature extraction to achieve precise rupture detection and localization.Themethodology employs a hierarchical neural architecture comprising two parallel branches:a 1D convolutional network processing raw accelerometer signals to capture multi-scale temporal patterns,and a physics-informed branch extracting material-specific resonance features through continuous wavelet transform(CWT)and energy ratio quantification.A novel gated attention mechanism dynamically fuses these heterogeneous modalities,adaptively weighting their contributions based on localized signal characteristics—prioritizing high-frequency transient features near damage zones while emphasizing physics-derived energy anomalies in intact regions.Spatial correlations among distributed sensors aremodeled via graph convolutional networks(GCNs)that incorporate geometric topology and vibration transmission dynamics,enabling robust anomaly propagation analysis.
