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Removal and fluorescence detection of antibiotics from wastewater by layered double oxides/metal-organic frameworks with different topological configurations

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Chinese Chemical Letters 2024年第8期35卷 401-405页

作者： Zhiqiang liu Qiang Gao Wei Shen Meifeng Xu yunxin li Weilin Hou Hai-Wei Shi Yaozuo Yuan Erwin Adams Hian Kee Lee Sheng Tang School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China National Medical Products Administration Key Laboratory for Impurity Profile of Chemical Drugs Nanjing 210019China Chemical Drug Inspection Laboratory 2 Jiangsu Institute for Food and Drug ControlNanjing 210019China Department of Pharmaceutical and Pharmacological Sciences Pharmaceutical AnalysisKU LeuvenHerestraat 49O&N2PB 923Leuven B-3000Belgium Department of Chemistry National University of Singapore3 Science Drive 3Singapore 117543Singapore

Owing to the serious potential side-effects on the environment and human health,the rapid detection and removal of antibiotics have become an important research *** this work,four zinc-based metal-organic frameworks(MOFs)with different functional groups,i.e.,Zn-MOF,Zn-MOF-CH_(3),Zn-MOF-NO_(2),Zn-MOF-COOH,were utilized for the construction of LDO/MOF composite materials with a nickel-iron-cobalt-based layered double oxide,*** results showed that the LDO/MOF composites not only had high sensitivity in detecting sulfonamide and quinolone antibiotics,but also had an appreciable ability to adsorb them from *** maximum adsorption capacities of all the four types of LDO@Zn-MOFs to all antibiotics can at least reach 150 mg/g,and the limits of detection in relation to all four antibiotics were at least as low as 100μg/*** work suggested the dual-function extraction performance can be attributed to the synergistic effects between the LDO and the ***,the strong ferromagnetism derived from the LDO provided great convenience for the separation and regeneration of the LDO/MOF composites.

关键词： light-emitting metal-organic frameworks Layered double oxides Antibiotics Topological configurations Fluorescence detection

关于中国乡土文学英译研究的几点思考——以《中国现当代小说乡土性英译研究》为例

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外语与翻译 2024年第2期31卷 32-36页

作者：李芸昕中南大学湖南省长沙市400083

揆诸中国乡土文学英译,关注比较美学的系统性研究尚存缺憾。本文以《中国现当代小说乡土性英译研究》为例,紧扣中国乡土文学内涵,聚焦跨文化跨语际审美过程,着眼于现当代小说乡土性英译策略,诠释其传播过程系统性思维、基于审美的文学... 详细信息

揆诸中国乡土文学英译,关注比较美学的系统性研究尚存缺憾。本文以《中国现当代小说乡土性英译研究》为例,紧扣中国乡土文学内涵,聚焦跨文化跨语际审美过程,着眼于现当代小说乡土性英译策略,诠释其传播过程系统性思维、基于审美的文学性追求和求同存异的译法路径。后续研究可从翻译活动社会性角度出发,加大英译文化场域和行动者考察,实现中国乡土文学英译内部与外部研究的结合。

关键词：《中国现当代小说乡土性英译研究》乡土小说英译中国文学外译乡土性审美

教育信息化视角下OBE理念融入学生职业核心能力培养的研究——以经济管理专业为例

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计算机应用文摘 2024年第1期40卷 18-19,22页

作者：李云鑫三门峡职业技术学院河南三门峡472000

OBE(Outcome Based Education)教育理念与职业核心能力培养之间存在内在的逻辑关系。目前,高职经济管理专业学生在职业核心能力方面存在不足,导致就业竞争力较低的问题。因此,高职院校应以教育信息化为视角,结合学生的学情,积极探索构... 详细信息

OBE(Outcome Based Education)教育理念与职业核心能力培养之间存在内在的逻辑关系。目前,高职经济管理专业学生在职业核心能力方面存在不足,导致就业竞争力较低的问题。因此,高职院校应以教育信息化为视角,结合学生的学情,积极探索构建基于OBE教育理念的高职经济管理专业学生职业核心能力培养体系,以提升经济管理专业学生的职业素养。

关键词：教育信息化 OBE教育理念职业核心能力经济管理专业

数字乡村政策的主题挖掘及注意力配置——基于LDA2Vec和ATM模型的分析

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信息技术与管理应用 2024年第4期3卷 22-37+99页

作者：李云新陈果中南财经政法大学

探索数字乡村政策细分领域及注意力配置规律，有助于理解政府推动数字乡村建设的工作重心和思路，进而为促进数字乡村长效发展提供助益。本文基于中央和省级政府颁布的56份数字乡村政策文本，运用LDA模型识别数字乡村政策主题，进而通... 详细信息

探索数字乡村政策细分领域及注意力配置规律，有助于理解政府推动数字乡村建设的工作重心和思路，进而为促进数字乡村长效发展提供助益。本文基于中央和省级政府颁布的56份数字乡村政策文本，运用LDA模型识别数字乡村政策主题，进而通过构建融合LDA主题模型与Word2Vec的LDA2Vec模型来分析政策注意力配置及其变化态势，并运用ATM模型分析政策注意力配置的主体差异。发现数字乡村政策主题覆盖农业农村大数据开发应用等六个领域；政策注意力配置显著聚焦于数字技术在农业领域的推广和应用且呈现持续上升态势，技术赋能乡村治理与社会效益提升的注意力配置则较为有限；中央政府在数字乡村各领域的注意力配置较为均衡，而省级政府则具有明显的“技术”倾向；不同党政部门的注意力配置呈现出差异化协同的特征。

关键词：数字乡村政府注意力配置 LDA模型 LDA2Vec模型 ATM模型

Recent advances in two-dimensional photovoltaic devices

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Journal of Semiconductors 2024年第5期45卷 26-40页

作者： Haoyun Wang Xingyu Song Zexin li Dongyan li Xiang Xu yunxin Chen Pengbin liu Xing Zhou Tianyou Zhai State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Research Institute of Huazhong University of Science and Technology in Shenzhen Shenzhen 518057China Optics Valley Laboratory Wuhan 430074China

Two-dimensional(2D)materials have attracted tremendous interest in view of the outstanding optoelectronic properties,showing new possibilities for future photovoltaic devices toward high performance,high specific power and *** recent years,substantial works have focused on 2D photovoltaic devices,and great progress has been ***,we present the review of recent advances in 2D photovoltaic devices,focusing on 2D-material-based Schottky junctions,homojunctions,2D−2D heterojunctions,2D−3D heterojunctions,and bulk photovoltaic effect ***,advanced strategies for improving the photovoltaic performances are demonstrated in ***,conclusions and outlooks are delivered,providing a guideline for the further development of 2D photovoltaic devices.

关键词： two-dimensional materials photovoltaic devices photodetectors solar cells heterostructures

Chemotactic nanomotor for multimodal combined therapy of glioblastoma

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Science China Chemistry 2024年第4期67卷 1277-1288页

作者： Ting li lin Chen yunxin Xue Xiangyu Xiao Wenjun Dai Kaiyuan Tan Tiantian Chen Yingfang Tao Chun Mao Jian Shen Mimi Wan National and Local Joint Engineering Research Center of Biomedical Functional Materials School of Chemistry and Materials ScienceNanjing Normal UniversityNanjing 210023China

Glioblastoma(GBM) is the most aggressive malignant brain tumor. Due to the infiltration and heterogeneity of GBM, the obstruction of the blood-brain barrier(BBB) and the unique immunosuppressive mechanism, it is hard to achieve significant effects of GBM treatment. Here, a kind of chemotactic nanomotor that loaded with glucose oxidase(GOx) and carboxylated cisplatin(Pt(IV)) prodrug on the L-arginine-derived polymer is proposed. The nanomotors are driven by catalysis of glucose decomposition and the positive chemotaxis towards the GBM microenvironment where inducible nitric oxide synthase and reactive oxygen species are highly expressed. This facilitates the BBB crossing and GBM targeting of the nanomotors. In addition, the released nitric oxide(NO) during propulsion as well as the loaded GOx and Pt(IV) can exert combined NO/starvation/chemotherapy. Meanwhile, it is able to induce and enhance the immune response through multiple pathways, thus better coping with the complexities of GBM treatment.

关键词： chemotaxis combined therapy glioblastoma nanomotors

Delicate chemical structure regulation of nonfullerene acceptor for efficient and large thickness organic solar cells

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Science China Chemistry 2024年第5期67卷 1596-1604页

作者： Zhe Zhang Wanying Feng yunxin Zhang Shaohui Yuan Yuyang Bai Peiran Wang Zhaoyang Yao Chenxi li Tainan Duan Xiangjian Wan Bin Kan Yongsheng Chen State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic MatterThe Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer MaterialsRenewable Energy Conversion and Storage Center(RECAST)College of ChemistryNankai UniversityTianjin 300071China School of Materials Science and Engineering National Institute for Advanced MaterialsNankai UniversityTianjin 300350China Chongqing Institute of Green and Intelligent Technology Chongqing SchoolUniversity of Chinese Academy of Sciences(UCAS Chongqing)Chinese Academy of SciencesChongqing 400722China

Inspired by the success of CH-series acceptors, a small-molecular acceptor, CH-Tz was reported by adopting a new conjugationextended electron-deficient unit([1,2,5]thiadiazolo[3,4-b]pyrazine) on the central core. Owing to the enhanced inter-/intramolecular interactions, CH-Tz exhibited near-infrared absorption and an effective three-dimensional molecular packing network in its single crystal. When blended with polymer donor PM6, the binary device achieved a high power conversion efficiency(PCE) of 18.54%, with a notable short-circuit current density(J_(sc)) of 27.54 m A cm-2and an excellent fill factor(FF) over 80%,which can be partly ascribed to the balanced charge transport properties in the blend film. After employing D18-Cl as the third component, an enhanced PCE of 18.85% was achieved due to a more obvious fiber network. Impressively, the CH-Tz-based OSC devices show excellent thermal stability and thickness insensitivity. Record-breaking Jscof 28.92 m A cm-2was reached for PM6:D18-Cl:CH-Tz ternary device with a thickness of 560 nm. Besides, CH-Tz shows potential in fabricating multicomponent high-performance organic solar cells, where over 19% efficiency could be realized in the quaternary device. Our work advances the strong influence of electron-deficient central units on molecular photovoltaic properties and guides the design of acceptors for stable and large-thickness organic solar cells.

关键词： organic solar cells non-fullerene acceptor central unit large thickness molecular packing

环境-制度-行为分析框架下中国社会创新的动力机制研究

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学习与实践 2021年第9期 112-122页

作者：李云新刘然中南财经政法大学公共管理学院湖北武汉430073 南京大学政府管理学院江苏南京210023

本社会创新的发生源于外部环境、制度安排与微观主体行为的复杂互动:制度环境与经济社会环境共同塑造了制度安排中主体的激励与约束结构,并对交易成本、收益、资源、合法性等核心变量产生显著影响,从而决定了社会创新主体的行为逻辑。... 详细信息

本社会创新的发生源于外部环境、制度安排与微观主体行为的复杂互动:制度环境与经济社会环境共同塑造了制度安排中主体的激励与约束结构,并对交易成本、收益、资源、合法性等核心变量产生显著影响,从而决定了社会创新主体的行为逻辑。社会创新是在"环境-制度-行为"框架所塑造的触发机制、催发机制、驱动机制与行动机制的共同作用下发生的。

关键词：社会创新制度环境社会组织社会资本社会变迁

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交直流通用自转换节电器研究

新技术新工艺 2000年第3期 4-5页

作者：李云新湖南工业学校 411100

论述了与交流接触器操作线圈适配的交直流输入 (操作 )电压通用 ,恒直流输出 ,吸合与保持电压无触点自动转换节电器的工作原理。接触器配用节电器后的节能、节材效果显著 ,节电器工作可靠 ,可供其他电磁铁的操作控制及节电研究参考 ,具... 详细信息

论述了与交流接触器操作线圈适配的交直流输入 (操作 )电压通用 ,恒直流输出 ,吸合与保持电压无触点自动转换节电器的工作原理。接触器配用节电器后的节能、节材效果显著 ,节电器工作可靠 ,可供其他电磁铁的操作控制及节电研究参考 ,具有一定的实用价值。

关键词：自转换节电器交直流输入交流接触器