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Pd@Ir-LOD multienzyme utilizing endogenous lactate consumption cooperates with photothermal for tumor therapy

Nano Research 2024年第1期17卷 270-281页

作者： Zichen Ye Yun Li Jingchao Li Xinyan Hu Jinyang Zheng Gongxin Zhang Sijin Xiang tianbao zhu Zhide Guo Xiaolan Chen State Key Laboratory for Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials and Engineering Research Center for Nano-Preparation Technology of Fujian ProvinceCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics&Center for Molecular Imaging and Translational Medicine School of Public Health Xiamen UniversityXiamen 361102China The High Educational Key Laboratory for Biomedical Engineering&Key Laboratory of Fire Retardant Materials of Fujian Province Department of BiomaterialsCollege of MaterialsXiamen UniversityXiamen 361102China

Lactic acid(LA)plays a major role in the occurrence,development,and spread of *** by its high accumulation in tumor site,a novel lactate oxidase(LOD)conjugated two-dimensional Pd@Ir nanoplatform(Pd@Ir-LOD,PIL)was fabricated to combine cascade reaction with photothermal for tumor *** detail,the overexpressed LA in tumor microenvironment(TME)was a key factor to activate the PIL-based cascade reaction:(1)Plenty of H_(2)O_(2)could be generated from LA by the catalysis of LOD with O_(2);(2)potent·OH was produced from H_(2)O_(2)due to the peroxidase(POD)-like activity of PIL;(3)meantime,PIL’s catalase(CAT)-like activity could decompose part H_(2)O_(2)into O_(2)to achieve the purpose of LA cyclic ***,the reduced glutathione(GSH)scavenging capability of PIL might protect the produced reactive oxygen species(ROS)from being cleared to further improve the cascade therapeutic *** importantly,PIL had excellent photothermal conversion efficiency(37.35%)and manifested a surprising temperature rising effect in *** together,the decreasing LA concentration,accumulation of high-toxic ROS,the depletion of GSH together with the higher intra-tumoral temperature potently enhanced in vivo antitumor ***,a promising therapeutic tactic based on PIL integrating endogenous LA consumption,chemodynamic therapy(CDT),and photothermal therapy(PTT)has been put forward.

关键词： lactate oxidase chemodynamic therapy photothermal therapy cascade reaction tumor microenvironment

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Endogenous Fe^(2+)-activated ROS nanoamplifier for esterase-responsive and photoacoustic imaging-monitored therapeutic improvement

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Nano Research 2022年第2期15卷 907-918页

作者： Sijin Xiang Zhongxiong Fan Ziehen Ye tianbao zhu Dao Shi Shefang Ye Zhenqing Hou Xiaolan Chen College of Chemistry and Chemical Engineering&College of Materials State Key Laboratory for Physical Chemistry of Solid SurfacesResearch Center for Nano-Preparation Technology of Fujian Province&Key Laboratory of Biomedical Engineering of Fujian ProvinceXiamen UniversityXiamen 361005China

Chemodynamic therapy(CDT)is well acknowledged as potent reactive oxygen species(ROS)-mediated anticancer ***,the study about labile iron pool(LIP)as endogenous ferrous catalyzer has paved the way for future CDT ***,limited H_(2)O_(2) expression,mild acidity,reduced glutathione(GSH)ablation of ROS,etc.,all require employing alternate peroxo-complex to achieve enhanced CDT *** a non-Fenton-type substrate,artesunate(ART)has been utilized as a source of free radicals through decomposition of endoperoxide bridges catalyzed by ferrous ions,nonetheless,the non-tumor-specific delivery,inferior pharmacokinetics,and hydrophobic nature minimize the efficacy of ART in physiological ***,we devise a PPA nanoamplifier by conjugating ART with PEG-functionalized Pd@Pt nanoplates(PP NPs)to form ester linkage,ensuring specific intratumoral esterase-responsive ART ***,the PPA nanoamplifier combines the in situ decomposition of ARTs endoperoxide bridges by Fe^(2+) to superoxide anions(O_(2)^(·-))and peroxidase(POD)-like enzymatic catalysis of endogenous H_(2)O_(2) by PP to hydroxyl radicals(*OH),thus achieving amplified ROS-mediated tumor ***,PPA displays GSH destruction potential,thereby protecting ROS from the cleavage by GSH *** addition,the strong absorption of PPA in near-infrared(NIR)region also endows PPA with photoacoustic property to realize imaging-guided *** short,by taking advantages of the high enrichment and esterase-responsive drug release at tumor sites,PPA amplified ROS signals via dual pathways,killing tumor cells in vitro are inhibiting tumor growth in vivo,thereby realizing high-efficiency non-Fenton *** believe our novel anti-tumor strategy based on PPA will broaden the future of ROS-mediated tumor-targeted therapy.

关键词： reactive oxygen species chemodynamic therapy non-Fenton tumor microenvironment drug delivery

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Non-small molecule PROTACs(NSM-PROTACs):Protein degradation kaleidoscope

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Acta Pharmaceutica Sinica B 2022年第7期12卷 2990-3005页

作者： Sinan Ma Jianai Ji Yuanyuan Tong Yuxuan zhu Junwei Dou Xian Zhang Shicheng Xu tianbao zhu Xiaoli Xu Qidong You Zhengyu Jiang State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization China Pharmaceutical UniversityNanjing 210009China Department of Medicinal Chemistry School of PharmacyChina Pharmaceutical UniversityNanjing 210009China

The proteolysis targeting chimeras(PROTACs)technology has been rapidly developed since its birth in 2001,attracting rapidly growing attention of scientific institutes and pharmaceutical *** present,a variety of small molecule PROTACs have entered the clinical ***,as small molecule PROTACs flourish,non-small molecule PROTACs(NSM-PROTACs)such as peptide PROTACs,nucleic acid PROTACs and antibody PROTACs have also advanced considerably over recent years,exhibiting the unique characters beyond the small molecule ***,we briefly introduce the types of NSM-PROTACs,describe the advantages of NSM-PROTACs,and summarize the development of NSM-PROTACs so far in *** hope this article could not only provide useful insights into NSM-PROTACs,but also expand the research interest of NSM-PROTACs.

关键词： Non-small molecule PROTACs Protein degradation Peptide PROTACs Nucleic acid PROTACs Antibody PROTACs

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城市家庭教育环境水平的社会空间分异及其对学习体验的影响——以大连市初中为例

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地理科学 2024年第5期44卷 808-818页

作者：刘天宝祝张威辽宁师范大学海洋可持续发展研究院辽宁大连116029

依托2020年问卷调查数据,利用因子分析等方法解读了义务教育阶段家庭教育环境的社会空间分异及其对家内学习体验的影响。研究发现:①家庭教育环境的不同维度和综合得分均存在多尺度的空间分异,其中家庭之间的分异程度最为显著。②高社... 详细信息

依托2020年问卷调查数据,利用因子分析等方法解读了义务教育阶段家庭教育环境的社会空间分异及其对家内学习体验的影响。研究发现:①家庭教育环境的不同维度和综合得分均存在多尺度的空间分异,其中家庭之间的分异程度最为显著。②高社会经济地位家庭、普通社会经济地位家庭、低收入家庭和低文化家庭分别在不同区位提供了差异明显的家庭教育环境,比较而言,高社会经济地位家庭提供的家庭教育环境更具有优势。③噪音影响程度、父母期望程度、父母为学习同伴、父母有能力帮助解决子女学习上的问题以及家中藏书量等是影响家内学习体验的主要因素。研究对城市家庭教育环境复杂性的解读及相关政策的制定具有积极意义。

关键词：社会经济地位家庭类型尺度因子交互

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Carbon Emission Effects Driven by Evolution of Chinese Dietary Structure from 1987 to 2020

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Chinese Geographical Science 2024年第1期34卷 181-194页

作者： zhu Yuanyuan ZHANG Yan zhu Xiaohua Key Laboratory of Geographic Process Analysis&Simulation Hubei Province Central China Normal UniversityWuhan430079China Institute of Geographic Sciences and Natural Resources Research Chinese Academy of SciencesBeijing100101China

Exploring carbon emission effects based on the evolution of residents’ dietary structure to achieve the carbon neutrality goal and mitigate climate change is an important *** study took China as the research object(data excluding Hong Kong,Macao and Taiwan) and used the carbon emission coefficient method to quantitatively measure the food carbon emissions from 1987–2020,then analyzed the carbon emission effects under the evolution of dietary *** results showed that during the study period,the Chinese dietary structure gradually changed to a high-carbon consumption *** dietary structure of urban residents developed to a balanced one,while that of rural residents developed to a high-quality *** the study period,the per capita food carbon emissions and total food consumption of Chinese showed an increasing *** per capita food carbon emissions of residents in urban and rural showed an overall upward *** total food carbon emissions in urban increased significantly,while that in rural increased first and then *** influence of beef and mutton on carbon emissions is the highest in dietary *** with the balanced dietary pattern,the food carbon emissions of Chinese residents had not yet reached the peak,but were evolving to a high-carbon consumption pattern.

关键词： dietary structure structural evolution carbon emission effects carbon neutrality China

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Synergistic catalysis of the N-hydroxyphthalimide on flower-like bimetallic metal-organic frameworks for boosting oxidative desulfurization

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Petroleum Science 2024年第1期21卷 674-682页

作者： Jing He Kun zhu Wei Jiang Dong-Ao zhu Lin-Hua zhu Hai-Yan Huang Wen-Shuai zhu Hua-Ming Li Institute for Energy Research Jiangsu UniversityZhenjiang212013JiangsuChina College of Chemistry and Chemical Engineering Hainan Normal UniversityKey Laboratory of Water Pollution Treatment and Resource Reuse of Hainan ProvinceHaikou571158HainanChina

Synergic catalytic effect between active sites and supports greatly determines the catalytic activity for the aerobic oxidative desulfurization of fuel *** this work,Ni-doped Co-based bimetallic metal-organic framework(CoNi-MOF)is fabricated to disperse N-hydroxyphthalimide(NHPI),in which the whole catalyst provides plentiful synergic catalytic effect to improve the performance of oxidative desulfurization(ODS).As a bimetallic MOF,the second metal Ni doping results in the flower-like morphology and the modification of electronic properties,which ensure the exposure of NHPI and strengthen the synergistic effect of the overall *** with the monometallic Co-MOF and naked NHPI,the NHPI@CoNi-MOF triggers the efficient activation of molecular oxygen and improves the ODS performance without an *** sulfur removal of dibenzothiophene-based model oil reaches 96.4%over the NHPI@CoNi-MOF catalyst in 8 h of ***,the catalytic product of this aerobic ODS reaction is sulfone,which is adsorbed on the catalyst surface due to the difference in *** work provides new insight and strategy for the design of a strong synergic catalytic effect between NHPI and bimetallic supports toward high-activity aerobic ODS materials.

关键词： Metal-organic frameworks Doped Bimetallic N-hydroxyphthalimide Aerobic processes Oxidative desulfurization

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A review of recent advances in the effects of surface and interface properties on marine propellers

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Friction 2024年第2期12卷 185-214页

作者： Manfu zhu Liran MA State Key Laboratory of Tribology in Advanced Equipment Tsinghua UniversityBeijing 100084China

Marine propellers are important propulsion devices for both surface ships and underwater *** severe environmental problems have required further performance enhancement for ***,traditional methods to improve propeller performances through geometrical and structural optimizations have been extensively investigated,while the underlying mechanisms of the effects of surface and interface properties on marine propellers are still far from being fully *** paper presented a comprehensive review of recent advances in the effects of surface and interface properties,such as surface roughness and surface wettability,on marine propellers with an emphasis on the significant improvements in both hydrodynamic and cavitation performances,hoping to arouse more in-depth investigations in the field of surface/interface science and technologies on marine propellers,and also promote the state-of-the-art technologies,such as superlubricity technology,into practical applications.

关键词： marine propellers hydrodynamics cavitation surface roughness surface wettability

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Engineering applications and technical challenges of active array microsystems

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Frontiers of Information Technology & Electronic Engineering 2024年第3期25卷 342-368页

作者： Jiaguo LU Haoran zhu East China Research Institute of Electronic Engineering Hefei 230039China School of Electronic and Information Engineering Anhui UniversityHefei 230601China

In the post-Moore era,the development of active phased array antennas will inevitably trend towards active array *** this paper,the characteristics and composition of the active array antenna are briefly *** to the high efficiency,low profile,and light weight of the active array microsystems,the application prospects and advantages in the engineering of multi-functional airborne radar,spaceborne radar,and communication systems are ***,according to the characteristics of the post-Moore era of integrated circuits,scientific and technological problems in the active array microsystems are presented,including multi-scale,multi-signal,and multi-physics field *** challenges are also discussed,such as new architectures and algorithms,miniaturization of passive components,novel materials and processes,ultra-wideband technology,and new interdisciplinary technological *** paper is expected to inspire in-depth research on active array microsystems.

关键词： Microelectronics Heterogeneous integration Packaging materials Antenna array microsystems Multi-functional radar Communication

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Leaching kinetics of fluorine during the aluminum removal from spent Li-ion battery cathode materials

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Journal of Environmental Sciences 2024年第4期138卷 312-325页

作者： Shengjie Li Jianxin zhu Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China

The high content of aluminum(Al)impurity in the recycled cathode powder seriously affects the extraction efficiency of Nickel,Cobalt,Manganese,and Lithium resources and the actual commercial value of recycled materials,so Al removal is crucially important to conform to the industrial standard of spent Li-ion battery cathode *** this work,we systematically investigated the leaching process and optimum conditions associated with Al removal from the cathode powder materials collected in a wet cathode-powder peeling and recycling production line of spent Li-ion batteries(LIBs).Moreover,we specifically studied the leaching of fluorine(F)synergistically happened along with the removal process of Al,which was not concerned about in other studies,but one of the key factors affecting pollution prevention in the recovery *** mechanism of the whole process including the leaching of Al and F from the cathode powder was indicated by using NMR,FTIR,and XPS,and a defluoridation process was preliminarily investigated in this *** leaching kinetics of Al could be successfully described by the shrinking core model,controlled by the diffusion process and the activation energy was 11.14 kJ/***,the leaching of F was attributed to the dissolution of LiPF6and decomposition of PVDF,and the kinetics associated was described by Avrami *** interaction of Al and F is advantageous to realize the defluoridation to some *** is expected that our investigation will provide theoretical support for the large-scale recycling of spent LIBs.

关键词： Al removal F leaching Cathode powder Heating alkali leaching Leaching kinetics

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Paving the way toward soil safety and health:current status,challenges,and potential solutions

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Frontiers of Environmental Science & Engineering 2024年第6期18卷 63-73页

作者： Chiheng Chu Lizhong zhu College of Environmental and Resource Sciences Zhejiang UniversityHangzhou 310058China

Soil is a non-renewable resource,providing a majority of the world’s food and fiber while serving as a vital carbon ***,the health of soil faces global threats from human activities,particularly widespread contamination by industrial *** physical,chemical,and biological remediation approaches encounter challenges in preserving soil structure and function throughout the remediation process,as well as addressing the complexities of soil contamination on a regional *** solutions encompass monitoring and simulating soil processes,with a focus on utilizing big data to bridge micro-scale and macro-scale ***,reducing pollutant emissions to soil is paramount due to the significant challenges associated with removing contaminants once they have entered the soil,coupled with the high economic costs of ***,it is imperative to implement advanced remediation technologies,such as monitored natural attenuation,and embrace holistic soil management approaches that involve regulatory frameworks,soil health indicators,and soil safety monitoring *** the enduring health and resilience of soils necessitates a blend of interdisciplinary research,technological innovation,and collaborative initiatives.

关键词： Soil safety and health Source emission reduction Process monitoring and simulation Green remediation technology Soil health management

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