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Facile synthesis of the dodecahydridododecaborate (B12H122-) from borane Lewis base adducts

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Science China Chemistry 2025年

作者： Yi Jing xin-Ran Liu xing-hua Wang Hui Han Sha-Sha Liang Xi-Meng Chen Dong-Hui Wei Lai-Sheng Wang Xue-Nian Chen College of Chemistry Zhengzhou University School of Chemistry and Chemical Engineering Henan Key Laboratory of Boron Chemistry and Advanced MaterialsHenan Normal University Department of Chemistry Brown University

Polyhedral boranes are a class of well-known boron molecular clusters widely used in energy,chemistry,medicine,and materials science because of their unique physical and chemical *** efforts have been made in the past decades to find more effective synthetic methods for this important class of boron ***,existing synthetic methods suffer from low efficiency and low ***,we report a facile one-pot synthesis of[（CH3）3S]2B12H12with moderate yields at mild *** mechanisms for the multi-step chemoselective synthesis of B12H122-without other by-products are elucidated based on theoretical results and our previous *** Lewis base used in B–H bond condensation reaction,which acts as a hydrogen or to balance the newly generated polyhedral borane charges,is proposed and studied in *** current study has led to a more effective and selective synthetic method for B12H122-and has also implicated the syntheses of other new polyhedral boranes.

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Deciphering the role of mtH2O2 in hepatic ischemia-reperfusion injury mechanisms with low-background super-resolution fluorogenic probe

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Science China Chemistry 2025年第01期 297-307页

作者： Bin Fang Limin Wang Haoqin Li Jiaxin zhang Yang Ding Pan Pan Li Bo Peng hua Bai Lin Li Frontiers Science Center for Flexible Electronics Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials &Engineering Northwestern Polytechnical University Institute of Flexible Electronics (IFE Future Technologies) Xiamen University

Hepatic ischemia-reperfusion injury（HIRI） is characterized by mitochondrial dysfunction and oxidative stress. Monitoring mitochondrial hydrogen peroxide（mtH2O2） levels in real-time through super-resolution imaging is crucial for elucidating its distribution in live cells and its mechanism of action during HIRI. However, low-background fluorogenic probes have been overlooked in the context of super-resolution imaging. In this study, we developed a low-background fluorogenic probe（MitoWG） with the potential for super-resolution morphology-correlated mitochondrial identification to track the fluctuates of mtH2O2in HIRI. Activation of the desirable fluorescence properties of the probe by mtH2O2was confirmed using structural illumination microscopy（SIM）, enabling high-quality mitochondrial imaging with exceptional specificity and *** in mtH2O2levels were successfully observed in both cellular and rat models of HIRI. Furthermore, we associated the decline in mitochondrial redox homeostasis with accelerated mtH2O2production during HIRI, which triggered mitophagy deficiency and led to cell death. In conclusion, Mito-WG possesses excellent photophysical and low-background properties for SIM imaging, making it a promising tool for mtH2O2tracking in HIRI research and clinical diagnosis.

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战场电磁环境可视化研究

现代防御技术 2004年第6期32卷 38-42,60页

作者：王英志章新华张新杰海军大连舰艇学院辽宁大连116018

对电磁空间的信息争夺是敌我双方争夺"信息优势"的主要战场。战场电磁环境的透明化及其作战研究是一个急需解决的问题。从作战指挥需要出发,提出了战场电磁环境可视化系统的设计原则及应满足的具体要求,列举了实现电磁环境可视化的几个... 详细信息

对电磁空间的信息争夺是敌我双方争夺"信息优势"的主要战场。战场电磁环境的透明化及其作战研究是一个急需解决的问题。从作战指挥需要出发,提出了战场电磁环境可视化系统的设计原则及应满足的具体要求,列举了实现电磁环境可视化的几个基本要素,最后,对电磁环境可视化的技术实现做了详细介绍。

关键词：战场电磁环境电磁态势电磁环境可视化

Sine oculis homeobox homolog family function in gastrointestinal cancer:Progression and comprehensive analysis

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World Journal of Clinical Oncology 2025年第1期16卷 10-24页

作者： Yang-Zheng Lan Zheng Wu Wen-Jia Chen xin-Ning Yu hua-Tao Wu Jing Liu Department of The Breast Center Cancer Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina Department of General Surgery First Affiliated Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina

The sine oculis homeobox homolog(SIX)family,a group of transcription factors characterized by a conserved DNA-binding homology domain,plays a critical role in orchestrating embryonic development and organogenesis across various organisms,including *** six distinct members,from SIX1 to SIX6,each member contributes uniquely to the development and differentiation of diverse tissues and organs,underscoring the versatility of the SIX *** or mutations in SIX genes have been implicated in a spectrum of developmental disorders,as well as in tumor initiation and progression,highlighting their pivotal role in maintaining normal developmental trajectories and cellular *** to target the transcriptional complex of the SIX gene family have emerged as a promising strategy to inhibit tumor *** the development of inhibitors targeting this gene family is still in its early stages,the significant potential of such interventions holds promise for future therapeutic ***,this review aimed to comprehensively explore the advancements in understanding the SIX family within gastrointestinal cancers,focusing on its critical role in normal organ development and its implications in gastrointestinal cancers,including gastric,pancreatic,colorectal cancer,and hepatocellular *** conclusion,this review deepened the understanding of the functional roles of the SIX family and explored the potential of utilizing this gene family for the diagnosis,prognosis,and treatment of gastrointestinal cancers.

关键词： Sine oculis homeobox homolog Gastrointestinal cancer Transcription factor Development Regulation Diagnosis Therapeutics

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钻孔灌注桩施工质量控制

山东交通科技 2017年第3期 74-75页

作者：高新华张永昌山东宏昌路桥集团有限公司山东潍坊261031

结合施工经验对钻孔灌注桩施工存在的问题进行了分析研究,阐述了灌注桩施工过程中的质量控制要点。

关键词：钻孔灌注桩施工控制施工工艺

High-quality environmentally friendly photovoltaic CZTSSe thin films prepared by Mg doping

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Optoelectronics Letters 2025年

作者： zhang Zihe Xue Yuming Dai Hongli Wang Luoxin Bai xin Hu Xiaofeng Institute of New Energy Intelligence Equipment， School of Integrated Circuit Science and Engineering， Tianjin University of Technology

CZTSSe thin films were prepared using the sol-gel method， and the crystal morphology of the CZTSSe films were improved by Mg doping. The prepared films were characterized using techniques such as XRD， Raman spectroscopy， SEM， and UV-Vis spectroscopy. The results showed that Mg replaced Zn in the CZTSSe lattice， forming the CMZTSSe phase. As the Mg doping concentration increased， the grain size initially increased and then decreased. After Mg doping， no additional impurities are *** the Mg doping concentration was 0.1， the film exhibited the optimal crystal morphology， narrowest peak width， largest grain size， the best light absorption properties smoothest and most compact surface， which is favorable for use as an absorber layer in solar cells.

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Enhancing the performance of the absorber of Cu2ZnSn（S， Se）4 photovoltaic materials by doping Cd2+

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Optoelectronics Letters 2025年

作者： YANG Shuqi XUE Yuming DAI Hongli WANG Luoxin zhang Haiwei BAI xin Institute of New Energy Intelligence Equipment， School of Integrated Circuit Science and Engineering， Tianjin University of Technology

Cationic doping is considered to be an effective way to improve the efficiency of Cu2ZnSn（S，Se）4（CZTSSe） photovoltaic materials. To improve the quality of the absorption layer of the crystal film， CZTSSe film was doped with some Cd to change the ratio of Cd and Zn in the precursor solution. XRD， Raman， SEM， UV-Vis spectroscopy， and other results showed that Cd successfully replaced Zn in the crystal lattice during post-selenization. The formation of harmful Zn-related defects was reduced， the grain size and crystallinity of the films were significantly increased， and the photoelectric properties of the films such as crystal quality and structural morphology were improved. As the Cd/（Cd+Zn） ratio increased from 0 to 0.35， the band gap of CZCTSSe decreased to 1.02eV. When Cd/（Cd+Zn）=0.25， the crystallinity and grain size reached the best value， and the film surface was smooth and dense， which inhibited the formation of the second phase on the surface of *** theoretical basis and experimental results showed that proper Cd doping can promote the growth of grain， so that compact CZCTSSe films with larger grain sizes and fewer holes could be prepared.

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A VERTICAL 2-D NUMERICAL SIMULATION OF SUSPENDED SEDIMENT TRANSPORT

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Journal of Hydrodynamics 2007年第2期19卷 217-224页

作者： zhang Jing-xin LIU hua Department Of Engineering Mechanics Shanghai Jiaotong University Shanghai 200240 China

Numerical simulation of sediment transport and bed evolution has become an important technique in the sediment research. In this article, a numerical model of suspended sediment transport was proposed, which was established in the vertical σ coordinate for fitting the free surface and bottom. In the research of the sediment transport, the predominant factors were found to be the eddy diffusion, the settling velocity, the bed condition and so on. By the aid of the model in the article, the contribution of the Rouse parameter to the vertical profile of sediment concentration was clarified, which was identical to the theoretical results. In the comparison of the numerical results with laboratory data, the agreement between experimental data and numerical results was reached except for some data. And the possible reasons for the disagreement were discussed.

关键词： suspended sediment transport 2-D numericalmodel σ coordinate

NGF和aFGF对体外培养的胚胎大鼠脊髓神经元生长发育的影响

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山东医科大学学报 2000年第3期38卷 225-227页

作者：高建新辛华张衡仇红山东医科大学生理学教研室山东医科大学生物学教研室

目的 :探讨促进移植脊髓神经元存活生长的因素 ,观察比较NGF和aFGF对体外培养的胚鼠脊髓神经元生长发育的作用。方法 :利用神经细胞培养的方法 ,在相差显微镜下观察细胞生长发育情况。实验数据用 x±s表示 ,2× 2析因方差分析及SNK检... 详细信息

目的 :探讨促进移植脊髓神经元存活生长的因素 ,观察比较NGF和aFGF对体外培养的胚鼠脊髓神经元生长发育的作用。方法 :利用神经细胞培养的方法 ,在相差显微镜下观察细胞生长发育情况。实验数据用 x±s表示 ,2× 2析因方差分析及SNK检验。结果 :NGF能增加培养早期脊髓神经元的数量 ;aFGF加强神经元突起的发出和生长 ;两者对神经元胞体的早期发育均有促进作用。NGF和aFGF联合应用时神经元存活、分化及生长发育等明显优于单独使用NGF或aFGF。结论 :NGF和aFGF对培养早期胚鼠脊髓神经元的作用具有选择性和协同性 ,两种神经营养因子联合应用更加有益。

关键词：神经生长因子神经元脊髓鼠胚 aFGF 生长发育