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急性心肌梗死患者血清BuChE、Hcy、GDF15、hs-CRP水平与心功能及预后的关系研究

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临床误诊误治 2025年第3期38卷 40-46页

作者：张亚云杜乔董京京石家庄市第八医院内科石家庄050000 保定市第二中心医院心内一科河北涿州071000

目的探讨急性心肌梗死(AMI)患者血清丁酰胆碱酯酶(BuChE)、同型半胱氨酸(Hcy)、生长分化因子15(GDF15)、超敏C反应蛋白(hs-CRP)水平与心功能及预后的关系。方法选取2022年1月至2023年12月收治的接受经皮冠状动脉介入(PCI)治疗的AMI患者... 详细信息

目的探讨急性心肌梗死(AMI)患者血清丁酰胆碱酯酶(BuChE)、同型半胱氨酸(Hcy)、生长分化因子15(GDF15)、超敏C反应蛋白(hs-CRP)水平与心功能及预后的关系。方法选取2022年1月至2023年12月收治的接受经皮冠状动脉介入(PCI)治疗的AMI患者144例,按术后6个月主要不良心血管事件发生情况分为预后良好组113例和预后不良组31例。比较不同心功能美国纽约心脏病学会(NYHA)分级患者术前血清BuChE、Hcy、GDF15、hs-CRP水平;Pearson相关性分析各项血清指标水平与NYHA分级的关系;比较不同预后患者术前各项血清指标水平;应用多因素logistic回归分析和受试者工作特征(ROC)曲线分析影响AMI患者预后的危险因素及对预后不良的预测价值。结果与预后良好组比较,预后不良组术前血清BuChE水平降低,血清Hcy、GDF15、hs-CRP水平升高(P<0.01);与心功能NYHA分级Ⅱ级、Ⅲ级患者比较,NYHA分级Ⅳ级患者术前血清BuChE水平降低,血清Hcy、GDF15、hs-CRP水平升高(P<0.05);AMI患者血清BuChE与心功能NYHA分级呈负相关,血清Hcy、GDF15、hs-CRP水平与心功能NYHA分级呈正相关(P<0.05);年龄和术前BuChE、Hcy、GDF15、hs-CRP水平均为AMI患者预后的影响因素(P<0.05);术前血清BuChE、Hcy、GDF15、hs-CRP联合检测预测AMI患者预后不良的曲线下面积为0.907,敏感度为86.27%。结论AMI患者血清BuChE、Hcy、GDF15、hs-CRP水平与心功能有关,术前血清BuChE、Hcy、GDF15、hs-CRP联合检测对AMI患者预后的预测价值较高。

关键词：心肌梗死丁酰胆碱酯酶半胱氨酸生长分化因子15 超敏C反应蛋白经皮冠状动脉介入预后危险因素

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An ion-released MgI_(2)-doped separator inducing a LiI-containing solid electrolyte interphase for dendrite-free Li metal anodes

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Journal of Energy Chemistry 2022年第12期75卷 83-94,I0003页

作者： Shan Yi Zhe Su Wanyu zhang Hongli Chen yayun zhang Bo Niu Donghui Long State Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Key Laboratory for Specially Functional Materials and Related Technology of the Ministry of Education East China University of Science and TechnologyShanghai 200237China

Lithium metal batteries are among the strong contenders to satisfy the ever-increasing needs of energy storage systems,which however suffer from poor composition of the solid electrolyte interphase(SEI)layer and uncontrolled Li dendrites *** this regard,we report on the design of an ionreleased MgI_(2)-doped polyacrylonitrile(PAN)based nanofiber(MPANF)separator,which can lead to conducive SEI layer and dendrite-free Li *** combination of the lithophilic MgI_(2)nanoparticles with polarized PAN matrix comprehensively functions as a high-compatible interpenetrating network to homogenize ionic transportation and confront dendrite *** released I ions introduce the highion-conductivity LiI into SEI layer,which could induce the formation of favorable and protective interface layer in the early stage,as embodied in the enrichment of advantageous components such as LiN_(x)O_(y),Li_(2)O,LiF,and Li_(3)*** from the high-affinity MPANF separator,the Li||Li symmetric cell achieves an ultralow voltage hysteresis of 46 mV with an extended lifespan of 580 *** a prolonged lifetime of 590cycles with an enhanced specific capacity of 140.1 m Ah g^(-1)and the Coulombic efficiency of 96.2%at 1C can be obtained in full *** work may offer a facile and high-affinity alternative to traditional polymeric separators for high-performance and dendrite-free Li metal batteries.

关键词： Lithium metal anode LiI-containing layer Dendrite-free anode Electrospun nanofiber separator

Evaluating two stages of silicone-containing arylene resin oxidation via experiment and molecular simulation

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Chinese Journal of Chemical Engineering 2024年第2期66卷 189-202页

作者： Jiangtao Cai Qingfu Huang Huan Chen Tao zhang Bo Niu yayun zhang Donghui Long Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Key Laboratory of Special Functional Polymeric Materials and Related Technology(Ministry of Education) School of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237China

Silicon-containing aryl acetylene resin(PSA)is a new type of high-temperature resistant resin with excellent oxidation resistance,whereas antioxidant reaction mechanism of PSA resin under ultra-high temperatures still remains ***,the oxidation behavior and mechanisms of PSA resin are systematically investigated combining kinetic analysis and Reax FF molecular dynamics(MD)*** analysis indicates that the oxidation process of PSA resin undergoes two main steps:oxidative mass gain and oxidative *** distributed activation energy model(DAEM)is employed for describing oxidation processes and the best-fit one is obtained using genetic algorithms and differential *** model demonstrates that the oxidative weight gain stage is dominated by two virtual reactants and the oxidative degradation stage consists of three virtual ***,the observation of MD reaction pathways indicates that oxygen oxidation of unsaturated structures occurs in the initial stage,which results in the formation of PSA resin ***,cracked pieces react with O_(2)to generate CO and other chemicals in the second *** resin matrix's great antioxidation resilience is illustrated by the formation of SiO_(2).The analysis based on MD simulations exhibits an efficient computational proof with the experiments and DAEM *** on the results,a two-stage reaction mechanism is proposed,which provides important theoretical support for the subsequent study of the oxidation behavior of silica-based resins.

关键词： PSA resin Oxidative degradation Thermogravimetric analysis DAEM reaction kinetics ReaxFF simulation

Ultrafine Vacancy-Rich Nb_(2)O_(5)Semiconductors Confined in Carbon Nanosheets Boost Dielectric Polarization for High-Attenuation Microwave Absorption

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Nano-Micro Letters 2023年第10期15卷 478-493页

作者： Zhe Su Shan Yi Wanyu zhang Xiaxi Xu yayun zhang Shenghu Zhou Bo Niu Donghui Long Shanghai Key Laboratory of Multiphase Materials Chemical Engineering School of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237People’s Republic of China Key Laboratory for Specially Functional Materials and Related Technology of the Ministry of Education East China University of Science and TechnologyShanghai 200237People’s Republic of China

The integration of nano-semiconductors into electromagnetic wave absorption materials is a highly desirable strategy for intensifying dielectric polarization loss;achieving high-attenuation microwave absorption and realizing in-depth comprehension of dielectric loss mechanisms remain ***,ultrafine oxygen vacancy-rich Nb_(2)O_(5)semiconductors are confined in carbon nanosheets(ov-Nb_(2)O_(5)/CNS)to boost dielectric polarization and achieve high *** polarization relaxation,electromagnetic response,and impedance matching of the ov-Nb_(2)O_(5)/CNS are significantly facilitated by the Nb_(2)O_(5)semiconductors with rich oxygen vacancies,which consequently realizes an extremely high attenuation performance of-80.8 dB(>99.999999%wave absorption)at 2.76 *** a dielectric polarization center,abundant Nb_(2)O_(5)–carbon heterointerfaces can intensify interfacial polarization loss to strengthen dielectric polarization,and the presence of oxygen vacancies endows Nb_(2)O_(5)semiconductors with abundant charge separation sites to reinforce electric dipole ***,the three-dimensional reconstruction of the absorber using microcomputer tomography technology provides insight into the intensification of the unique lamellar morphology regarding multiple reflection and scattering dissipation ***,ov-Nb_(2)O_(5)/CNS demonstrates excellent application potential by curing into a microwave-absorbing,machinable,and heat-dissipating *** work provides insight into the dielectric polarization loss mechanisms of nano-semiconductor/carbon composites and inspires the design of high-performance microwave absorption materials.

关键词： Electromagnetic wave absorption Nb_(2)O_(5)semiconductor Dielectric polarization loss Oxygen vacancy Nb_(2)O_(5)-carbon hetero-interface

Urchin-like Nb_(2)O_(5)hollow microspheres enabling efficient and selective photocatalytic C–C bond cleavage in lignin models under ambient conditions

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Chinese Chemical Letters 2022年第9期33卷 4357-4362页

作者： Huan Chen Donghui Hong Kun Wan Junjie Wang Bo Niu yayun zhang Donghui Long State Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and TechnologyShanghai 200237China

Selective cleavage of robust C−C bonds to harvest value-added aromatic oxygenates is an intriguing but challenging task in lignin *** is a promising technology with the advantages of mild reaction conditions and strong ***,we show a novel urchin-like Nb_(2)O_(5)hollow microsphere(U-Nb_(2)O_(5)HM),prepared by one-pot hydrothermal method,are highly active and selective for C_(α)−C_(β)bond cleavage of ligninβ-O-4 model compounds under mild conditions,achieving 94%substrate conversion and 96%C−C bond cleavage *** experimental studies and density functional theory(DFT)calculations revealed that the superior performance of U-Nb_(2)O_(5)HMs arises from more exposed active sites,more efficient free charge separation and the active(001)facet,which facilitates the activation of Cβ−H bond of lignin models and generate key Cβradical intermediates by photogenerated holes,further inducing the C_(α)−C_(β)bond cleavage to produce aromatic *** work could provide some suggestions for the fabrication of hierarchical photocatalysts in the lignin depolymerization system.

关键词： Niobium oxide Urchin-like hierarchical structure Photocatalysis β-O-4 Lignin model C_(β)radical

科技创新、产业结构升级与区域经济发展——基于空间计量模型的实证研究

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中国商论 2025年第2期34卷 128-132页

作者：赵可欣冯艳琴周波张雅云昆明学院云南昆明650214 云南开放大学云南昆明650101

信息化时代下,科技创新已成为驱动区域经济发展的核心引擎,产业结构升级作为经济转型的关键路径,其与科技创新的协同作用对区域经济的可持续发展具有深远影响。本文基于2013—2022年我国30个省份的面板数据构建空间杜宾模型,对科技创新... 详细信息

信息化时代下,科技创新已成为驱动区域经济发展的核心引擎,产业结构升级作为经济转型的关键路径,其与科技创新的协同作用对区域经济的可持续发展具有深远影响。本文基于2013—2022年我国30个省份的面板数据构建空间杜宾模型,对科技创新、产业结构升级与区域经济发展的影响效应进行实证研究。研究表明,科技创新水平和区域经济发展具有空间正相关性,整体来看,科技创新水平的提升能够显著促进区域经济增长;科技创新能够通过产业结构升级来推动区域经济增长,产业结构升级发挥了显著的中介效应;不同地区科技创新水平对区域经济发展的影响效力存在显著异质性,且科技创新水平产生的直接效应与间接效应具有明显差异,仅供参考。

关键词：科技创新区域经济发展产业结构升级空间效应空间杜宾

Progress of crystalline carbon nitride in synthesis,atomic structure characterization and photocatalysis

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Nano Research 2025年第1期18卷 455-476页

作者： Yueyang Tan Zhongyan zhang yayun Pu Zongzhao Sun Limin Huang School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China Department of Chemistry Southern University of Science and TechnologyShenzhen 518055China School of Traffic and Environment Shenzhen Institute of Information TechnologyShenzhen 518172China College of Chemistry and Chemical Engineering Linyi UniversityLinyi 276000China School of Optoelectronic Engineering Chongqing University of Posts and TelecommunicationsChongqing 400065China

Crystalline carbon nitride(CCN)has emerged as a highly promising semiconductor photocatalyst with unique properties,such as enhanced charge migration rate,reduced carrier recombination probability,narrow band gap and improved light-harvesting efficiency,which are suitable for a wide range of applications in solar-to-chemical conversion,energy storage,therapeutic and environmental pollution *** the past few years,there has been an increasing number of reviews on CCN ***,most of these reviews mainly focus on synthesis methods,modification and applications,with less emphasis on the relationship between structures and properties,as well as on indepth exploration of the crystalline *** electronic instability of CCN presents challenges for conventional characterization techniques to directly and thoroughly investigate the relationship between its intrinsic atom structure and photocatalytic *** mini-review not only highlights the progress in CCN-based photocatalysts,with a focus on molten-salt synthesis(including solid-salt-induced crystallization),but also emphasizes the atomic structure characterization by specifically introducing the differential phase contrast(DPC)scanning transmission electron microscopy(STEM)technique,which is essential for enhancing our understanding of the crystal structure and photocatalytic mechanisms of ***,the review outlines the photocatalytic performance and puts forward potential challenges on CCN *** review will provide a clearer understanding of the relationship in developing precise customization strategies for CCN materials and ultimately explain the regularity and specificity of the enhanced performance in targeted photocatalytic systems.

关键词： crystalline carbon nitride synthesis characterization photocatalysis

新生儿肠沙门菌肠道亚种沃兴顿株引起血流感染1例

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中华检验医学杂志 2024年第2期47卷 184-186页

作者：屈龙凤张亚运重庆大学附属江津医院检验科重庆402260 重庆市江津区中医院检验科重庆402260

患儿女,出生6 d 19 h,以“皮肤黄染3 d,发热6 h”于2023年3月31日就诊于重庆大学附属江津医院。4月1日报告血培养危急值:革兰阴性杆菌,经质谱及生化经鉴定为沙门菌属,血清型AF多价(-),Vi(-),考虑为非A~F群沙门菌。传代培养后血清凝集试... 详细信息

患儿女,出生6 d 19 h,以“皮肤黄染3 d,发热6 h”于2023年3月31日就诊于重庆大学附属江津医院。4月1日报告血培养危急值:革兰阴性杆菌,经质谱及生化经鉴定为沙门菌属,血清型AF多价(-),Vi(-),考虑为非A~F群沙门菌。传代培养后血清凝集试验结果为:O13,23 Hz,l,w,利用16S rRNA和gyrB基因测序鉴定为肠沙门菌肠道亚种沃兴顿株,与血清学试验相符。患儿经氨苄西林舒巴坦抗感染治疗14 d后病情好转出院。沙门菌鉴定需同时进行细菌生化鉴定和血清学试验,以保证检测准确性,为临床提供可靠的病原学诊断依据。

关键词：沙门菌属血清分型血流感染

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开罗都市进程中的人口问题

西亚非洲 2009年第5期 51-58页

作者：车效梅张亚云山西师范大学历史学院亚非发展中国家研究所山西师范大学

开罗作为中东和非洲地区的大都市,其人口问题由来已久。人口的自然增长和机械增长、政府的政策导向与传统文化等因素相互作用,使开罗人口问题日趋严重。人地矛盾尖锐、基础设施匮乏、贫富分化严重、人口素质下降等成为当地政府必须面对... 详细信息

开罗作为中东和非洲地区的大都市,其人口问题由来已久。人口的自然增长和机械增长、政府的政策导向与传统文化等因素相互作用,使开罗人口问题日趋严重。人地矛盾尖锐、基础设施匮乏、贫富分化严重、人口素质下降等成为当地政府必须面对的难题。为解决人口问题对社会和环境的压力,埃及政府采取多项措施,控制人口自然增长:实现人口在各地的最佳分布,限制开罗人口机械增长;通过"向沙漠地区分散",减少耕地浪费;加大投资力度,缓解"城市病"。这些措施的实施,有助于缓解人口困境,但是人口所引发的一系列问题仍将长期困扰开罗。

关键词：开罗人口原因问题措施