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常规超声联合AP技术鉴别甲状腺微小结节良恶性及预测侵犯被膜的应用研究

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中国超声医学杂志 2024年第4期40卷 377-381页

作者：白天明张茜崔海欧王福霞敖宁霞孙楠王文宁夏医科大学第一临床医学院宁夏医科大学总医院心脑血管病医院超声科西安市中医医院超声科

目的探讨常规超声联合三维壁滤波成像(AP)技术鉴别甲状腺微小结节(TMN)良恶性及预测被膜侵犯的价值。方法选取经细针穿刺和/或术后病理证实的TMN患者120例共120个结节。术前进行二维2D及AP模式下超声检查，观察每个结节的血流分布特... 详细信息

目的探讨常规超声联合三维壁滤波成像(AP)技术鉴别甲状腺微小结节(TMN)良恶性及预测被膜侵犯的价值。方法选取经细针穿刺和/或术后病理证实的TMN患者120例共120个结节。术前进行二维2D及AP模式下超声检查，观察每个结节的血流分布特征、结节被膜显示情况，与其术后病理结果和/或细针穿刺结果对照，进行差异性分析；受试者工作特征(ROC)曲线分析常规超声联合AP技术鉴别微小结节良恶性及预测微小恶性结节被膜侵犯的效能。结果 (1)细针穿刺和/或术后病理结果：120个微小结节中良性结节45个、恶性结节75个，发生被膜侵犯34个、未发生被膜侵犯41个；(2)常规超声联合AP技术对鉴别微小结节良恶性曲线下面积(AUC)、特异度、准确度、阳性预测值更高；(3)预测被膜侵犯效能比较，2D串联AP模式的特异度最高，2D并联AP模式灵敏度最高。结论常规超声联合AP技术在TMN良恶性鉴别及预测被膜侵犯有一定临床价值，能够减少非必要的活检。

关键词：甲状腺微小癌 AP技术被膜侵犯

Behavior pattern extraction by trajectory analysis

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Frontiers of Computer Science 2011年第1期5卷 37-44页

作者： Jia wen (12) wjyanyuan@*** Chao Li (1) zhang Xiong (1) Beihang Univ Sch Engn & Comp Sci Beijing 100191 Peoples R China Yanshan Univ Dept Comp Coll Informat Sci & Engn Qinhuangdao 066004 Peoples R China

Trajectory clustering and behavior pattern extraction are the foundations of research into activity perception of objects in motion. In this paper, a new framework is proposed to extract behavior patterns through trajectory analysis. Firstly, we introduce directional trimmed mean distance （DTMD）, a novel method used to measure similarity between trajectories. DTMD has the attributes of anti-noise, self-adaptation and the capability to determine the direction for each trajectory. Secondly, we use a hierarchical clustering algorithm to cluster trajectories. We design a length-weighted linkage rule to enhance the accuracy of trajectory clustering and reduce problems associated with incomplete trajectories. Thirdly, the motion model parameters are estimated for each trajectory＇s classification, and behavior patterns for trajectories are extracted. Finally, the difference between normal and abnormal behaviors can be distinguished.

关键词： trajectory clustering directional trimmedmean distance (DTMD) behavior pattern extraction

High-yield production of non-layered 2D carbon complexes:Thickness manipulation and carbon nanotube branches for enhanced lithium storage properties

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Journal of Energy Chemistry 2021年第8期30卷 19-29,I0002页

作者： Dong Wang Shuai Qi Yao Qiu Rui zhang Qiang zhang Shulong Liu Chunjie zhang Ziyao Chen Hong Pan Jun Cao Guangwu wen School of Materials Science and Engineering Shandong University of TechnologyZibo 255000China Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education State Key Laboratory of Mechanics and Control of Mechanical StructuresInstitute of Nanoscience of Nanjing University of Aeronautics and AstronauticsNanjing 210000China College of Materials Science and Engineering Hunan UniversityChangsha 410082China School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China College of Materials Science and Engineering Qiqihar UniversityQiqihar 161006China

Non-layered two-dimensional(2 D)carbon complexes manifest great potential in energy-related applications owing to their exotic electronic structures,large electrochemically active surface,and intriguing synergistic ***,reliable method for mass production and thickness manipulation of 2 D carbon complexes remains great ***,inspired by blowing chewing gum into bubbles,a“tailored gel expanding"strategy is proposed for high-yield synthesis of non-layered 2 D carbon complexes with tailored thickness from~12 nm to~1 lm,by controllable pyrolysis of metal-polymeric gel with adequate crosslinking *** key feature for thickness manipulation is introducing NH4 NO3 in sol-gel process,which tailors the expansion behavior of gel precursor during subsequent *** of 2 D sheets with intimately coupled N,O-doped carbon(NOC)and Ni Co-based(Ni Co,(Ni Co)S_(2),(Ni Co)Se_(2),Ni Co_(2)O_(4),(Ni Co)(PO_(3))_(2))nanocrystals are obtained on a large scale and without any ***,these 2 D products are branched with in-situ grown CNTs on the surface,accelerating electrons transfer and preventing the nanosheets from *** a demonstration,the 2 D(Ni Co)S_(2)/NOC with optimized thickness manifests excellent lithium storage properties in both half and full *** method paves a new path for massive and controlled production of non-layered 2 D materials with tailored thickness and robust structure stability for energy-related applications.

关键词： Two-dimensional materials Non-layered structures Thickness manipulation Carbon nanotubes Lithium-ion batteries

内侧前额叶皮质谷氨酸能神经元参与CD1小鼠攻击行为的机制研究

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陆军军医大学学报 2024年第12期46卷 1336-1343页

作者：李加欣黄露龙宗泓张敏温惠中熊鹰李洪白福海陆军军医大学(第三军医大学)第二附属医院麻醉科重庆400038 陆军军医大学(第三军医大学)基础医学院神经生物教研室重庆400038

目的研究CD1小鼠发动攻击行为的内在神经机制。方法通过驻地入侵实验筛选出具有攻击行为的CD1小鼠,攻击配对偏好进一步验证后使用c-Fos标记全脑激活的脑区,通过免疫荧光双标实验分析攻击行为激活了哪种类型的神经元,最后使用光遗传学调... 详细信息

目的研究CD1小鼠发动攻击行为的内在神经机制。方法通过驻地入侵实验筛选出具有攻击行为的CD1小鼠,攻击配对偏好进一步验证后使用c-Fos标记全脑激活的脑区,通过免疫荧光双标实验分析攻击行为激活了哪种类型的神经元,最后使用光遗传学调控该类神经元的活性,观察其对攻击行为的影响。结果通过c-Fos筛选,约82%的CD1小鼠表现出攻击行为;攻击行为发生后主要激活内侧前额叶皮质(medial prefrontal cortex,mPFC),免疫荧光双标结果显示mPFC脑区c-Fos阳性神经元主要是谷氨酸能神经元;最后,我们通过光遗传激活mPFC脑区谷氨酸能神经元,发现其能够抑制CD1小鼠的攻击行为;相反,光遗传抑制mPFC脑区谷氨酸能神经元,能够促进CD1小鼠的攻击行为。结论mPFC脑区谷氨酸能神经元是调控CD1小鼠发动攻击行为的重要组成部分。

关键词： mPFC 谷氨酸能神经元攻击行为

Rationally designed Ti_(3)C_(2) MXene/CaIn_(2)S_(4) Schottky heterojunction for enhanced photocatalytic Cr(VI) reduction:Performance,influence factors and mechanism

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Journal of Materials Science & Technology 2023年第30期161卷 123-135页

作者： Chao Liu wen Xiao Xingyu Liu Qiang Wang Jiawei Hu Siyuan zhang Jianguang Xu Qinfang zhang Zhigang Zou School of Materials Science and Engineering Yancheng Institute of TechnologyYancheng 224051China School of Energy and Materials Shanghai Polytechnic UniversityShanghai 201209China Eco-Materials and Renewable Energy Research Centre(ERERC) Nanjing UniversityNanjing 210093China

As a highly toxic heavy metal,Cr(VI)reduction by developing high-efficiency photocatalysts is of great ***,we firstly design few-layer Ti_(3)C_(2) MXene(FTM)by the hand-operated shaking,show-ing dual advantages of structural stability and more exposed reactive ***,a refluxed process is performed to fabricate FTM/CaIn_(2)S_(4)(FTC) composites,where 2D CaIn_(2)S_(4)(CIS) nanoplates are closely con-nected with 2D FTM to form Schottky *** optimal 1-FTC with the FTM/CIS mass ratio of 1 wt.%exhibits the highest activity toward photocatalytic Cr(VI)reduction under visible *** is well eluci-dated that the broadened light absorption range and promoted charge carrier separation rate induced by the introduction of FTM are responsible for improving photocatalytic activity of *** Cr(VI)photoreduction,1-FTC possesses excellent photo-stability and *** effects of catalyst mass,co-existing ions,water sources and pH values on the Cr(VI)photoreduction efficiency are ***-togenerated•O_(2)^(−)and e−are the main radical species accounting for Cr(VI)photoreduction over *** photocatalytic mechanism along with Cr(VI)removal pathway is *** work may provide some insights into constructing FTM-based Schottky junctions for the efficient water purification.

关键词： CaIn_(2)S_(4) Ti_(3)C_(2)MXene Cr(VI)reduction Visible light Photocatalysis

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产妇产后创伤后成长质性研究的Meta整合

军事护理 2024年第6期41卷 94-97,102页

作者：文铭浚王睿程利聂小菲彭忠帆陈功张桃桃湖北医药学院护理学院湖北十堰442000

目的系统评价和整合产妇产后创伤后成长体验的质性研究,为产科护理实践提供参考。方法计算机检索建库至2023年2月发表于PubMed、Cochrane Library、Web of science、Embase、中国知网、维普、万方、SinoMed中有关产妇产后创伤后成长... 详细信息

目的系统评价和整合产妇产后创伤后成长体验的质性研究,为产科护理实践提供参考。方法计算机检索建库至2023年2月发表于PubMed、Cochrane Library、Web of science、Embase、中国知网、维普、万方、SinoMed中有关产妇产后创伤后成长的质性研究,并采用Meta整合方法对结果进行整合。结果纳入11项研究,共提取44个研究结果,归纳为13个类别,得到4个整合结果,即影响因素、自我反思、采取行动、多元发展。结论医护人员应正确理解创伤后成长内涵,挖掘产妇产后积极心理体验,采取措施帮助其应对分娩创伤。

关键词：创伤后成长产妇质性研究 Meta整合

Polyisoprene Bearing Dual Functionalized Mini-blocky Chain-ends Prepared from Neodymium-mediated Coordinative Chain Transfer Polymerizations

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Chinese Journal of Polymer Science 2023年第5期41卷 720-727,I0008页

作者： Wei-Xin Wang wen-Peng Zhao Jing Dong Hua-Qiang zhang Feng Wang Heng Liu Xue-Quan zhang Key Laboratory of Rubber-Plastics Ministry of EducationShandong Provincial Key Laboratory of Rubber-PlasticsQingdao University of Science&TechnologyQingdao 266042China Petrochemical Research Institute PetroChinaBeijing 102206China School of Chemical Engineering Changchun University of TechnologyChangchun 130012China

Through neodymium-mediated coordinative chain transfer copolymerizaiton(CCTcoP),polyisoprenes bearing dual hydroxylated mini-blocky chain-ends were prepared via a three-step *** studies revealed that,the polymerization demonstrated typical features of CCTcoP across the whole polymerization process,i.e.,quasi-living polymerization characteristic,tunable molecular weights,narrow molecular weight distributions,and atom *** to previously reported CCTP homopolymerization systems,the presence of oxygen-containing IpOAl polar comonomer slowed down chain transfer rates obviously,rendering slightly higher molecular weights of the resultant PIps and smaller Np(number of polymer chains per Nd atom)***,to mimic the structure of natural rubber,the hydroxyl end groups can be facilely modified into phosphonate,amide,and UPy,whose structures were further confirmed by NMR *** these functionalities could greatly improve the hydrophilic properties of the polymers,as revealed from the significantly reduced static water contact angles.

关键词： Functional polyisoprene Neodymium Coordinative chain transfer polymerization Synthetic rubber

脱落酸及其代谢抑制剂对玉米子粒灌浆和脱水特性的影响

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玉米科学 2024年第1期32卷 100-106页

作者：乔江方何佳雯牛军张盼盼李川郭涵潇刘京宝张美微河南省农业科学院粮食作物研究所郑州450002 郑州大学农学院郑州450001

以不同自然脱水速率类型玉米品种为材料,采用大喇叭口期外源喷施脱落酸(ABA)和代谢合成抑制剂,分析外源ABA及代谢抑制剂喷施对玉米产量及其构成因素、穗部性状、灌浆特征和子粒含水率等影响。结果表明,外源喷施ABA、ABA合成抑制剂和水... 详细信息

以不同自然脱水速率类型玉米品种为材料,采用大喇叭口期外源喷施脱落酸(ABA)和代谢合成抑制剂,分析外源ABA及代谢抑制剂喷施对玉米产量及其构成因素、穗部性状、灌浆特征和子粒含水率等影响。结果表明,外源喷施ABA、ABA合成抑制剂和水通道抑制剂分别使玉米产量分别下降7.53%、0.37%和6.21%。喷施ABA、ABA合成抑制剂和水通道抑制剂分别增加玉米起始灌浆势25.00%、23.44%和1.56%;外源ABA使玉米最大灌浆速率出现的时间延后,最大灌浆速率降低,活跃灌浆期延长,最大灌浆速率出现时子粒质量下降。喷施ABA增加了玉米子粒含水率,ABA合成抑制剂和水通道抑制剂则降低子粒含水率。综上所述,外源ABA喷施延缓玉米子粒灌浆进程,阻碍子粒脱水;喷施ABA合成抑制剂和水通道抑制剂可加快灌浆期子粒脱水,利于实现子粒机械化收获。

关键词：玉米脱落酸(ABA) 代谢抑制剂子粒灌浆参数子粒含水率

The Role of Inflammation in Breast Cancer and Prostate Cancer

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Clinical oncology and cancer researeh 2011年第2期8卷 77-84页

作者： wen-liang zhang Department of Pathology Wayne StateUniversity Detroit MI 48202 USA.

Inflammatory conditions increase the risk of cancer. Strong evidences showed that inflammation contributes to breast cancer and prostate cancer in different ways such as inflammationinduced DNA or RNA damage, overexpression cytokines, chemokines etc. Recent studies have begun to unravel molecular pathways linking inflammation and cancer. Some possible mechanisms by which inflammation can contribute to carcinogenesis have been found. These mechanisms by which inflammation contributes to cancer give broader views of cancer development. These insights are fostering new antiinflammatory therapeutic approaches to cancer development.

关键词： breast cancer prostate cancer inflammation.