检索结果-南通市图书馆

Chinese Journal of Chemistry 2024年第8期42卷 835-840页

作者： Xiaohua Chang qunli yu.dan ji yutian Zhu College of Material Chemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121 China

Comprehensive Summary Metal nanoparticles(NPs)decorated block copolymer(BCP)hybrid nanoparticles have attracted enormous attention for their actual value in catalysis,medical therapy,and *** confined assembly of BCPs within evaporative emulsion droplet is verified as an effective method to provide polymeric scaffolds to load metal ***,to date,it remains challenging to generate different types of metal NPs decorated BCP hybrid ***,we employed the emulsion confined self-assembly of poly(styrene-b-2-vinylpyridine)(PS-b-P2VP)and the followed seed-mediated growth of Au and palladium(Pd)NPs onto well-defined BCP particles to design a series of Au/Pd decorated BCP hybrid nanoparticles,which exhibited excellent catalytic activity for the reduction of 4-nitrophenol to 4-aminophenol with the reductant of *** work may inspire more researchers to investigate the selective decoration of different metal NPs onto the polymeric scaffolds,broadening the potential applications of the inorganic/organic hybrid nanoparticles.

关键词： Block copolymers Emulsion confined self-assembly Hybrid nanoparticles Catalytic activity Recyclability

Highly efficient photo-thermal synergistic catalysis of CO_(2)methanation over La1-xCexNiO_(3)perovskite-catalyst

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2024年第9期17卷 7945-7956页

作者： Ting Li Zhen-yu Zhang De-Cun Luo Bo-yu Xu Rong-jiang Zhang ji-Long Yao dan Li Tao Xie Institute of Industrial Catalysis School of Chemical Engineering and TechnologyXi’an Jiaotong UniversityXi’an 710049China

Solar-driven photo-thermal catalytic CO_(2)methanation reaction is a promising technology to alleviate the problems posed by greenhouse gases ***,designing advanced photo-thermal catalysts remains a research challenge for CO_(2)methanation *** this work,a series of ABO3(A=lanthanide,B=transition metal)perovskite catalysts with Ce-substituted LaNiO3(La1-xCexNiO3,x=0,0.2,0.5,0.8,1)were synthesized for CO_(2)*** La0.2Ce0.8NiO3 exhibited the highest CH4 formation rate of 258.9 mmol·g^(-1)·hcat-1,CO_(2)conversion of 55.4%and 97.2%CH4 selectivity at 300℃with the light intensity of 2.9 W·cm^(-2).Then the catalysts were thoroughly analyzed by physicochemical structure and optical properties *** partial substitution of the A-site provided more active sites for the adsorption and activation of CO_(2)/H_(2).The sources of the active sites were considered to be the oxygen vacancies(Ov)created by lattice distortions due to different species of ions(La^(3+),Ce^(4+),Ce^(3+))and exsolved Ni0 by H_(2)*** catalysts have excellent light absorption absorbance and low electron-hole(e-/h+)recombination rate,which greatly contribute to the excellent performance in photo-thermal synergistic catalysis(PTC)CO_(2)*** results of in situ irradiated electron paramagnetic resonance spectrometer(ISI-EPR)and ISI-X-ray photoelectron spectroscopy(XPS)indicated that the aggregation of unpaired electrons near the defects and Ni metal(from La and Ce ions to Ov and Ni0)accelerated adsorption and activation of CO_(2)/H_(2).At last,the catalyst properties and structure were correlated with the proposed reaction mechanism from the in situ diffuse reflection infrared Fourier transform spectrum(DRIFTS)*** in situ precipitation of the B-site enhanced the dispersion of Ni,while its enriched photoelectrons upon illumination further promote hydrogen *** H^(*)spillover accelerated the rate-determining step(RDS)of H

关键词： photo-thermal catalysis CO_(2)methanation perovskite A-site substitution in situ diffuse reflection infrared Fourier transform spectrum(DRIFTS)

Ternary-phase layered cathodes toward ultra-stable and highrate sodium ion storage

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Rare Metals 2024年第4期43卷 1589-1598页

作者： Wen-ji Yin Pei-dan Su Qi Lu Xiao-Qiong Li ji-Ming Peng Teng-Fei Zhou Ge-Meng Liang yu-Liang Cao Hong-Qiang Wang Qing-yu Li Si-jiang Hu Guangxi Key Laboratory of Low Carbon Energy Materials School of Chemistry and Pharmaceutical SciencesGuangxi Normal UniversityGuilin541004China Institutes of Physical Science and Information Technology Anhui UniversityHefei230601China Department of Chemistry and Pharmaceutical Sciences Guilin Normal CollegeGuilin541199China College of Chemistry and Chemical Engineering Huanggang Normal UniversityHuanggang438000China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaide5005Australia Engineering Research Center of Organosilicon Compounds and Materials of Ministry of Education College of Chemistry and Molecular SciencesWuhan UniversityWuhan430072China

With the shortage of lithium resources,sodiumion batteries(SIBs)are considered one of the most promising candidates for lithium-ion batteries.P2-type and O3-type layered oxides are one of the few cathodes that can access high energy ***,they usually exhibit structural change,capacity decay,and slow Na ion ***,we present layered ternary-phase cathodes with P2,P3 and O3 phases by a lattice doping strategy,which is demonstrated by X-ray diffraction(XRD)*** the characteristics of P2,P3 and O3 phases,the layered composites show performance improvement during long-term battery *** particular,Na_(0.7)Li_(0.1)Co_(0.3-)Fe_(0.3)Mn_(0.3)O_(2)(NLCFM)delivers a reversible capacity of120.1 mAh·g^(-1)at 0.1C(1.0C=175 mA·g^(-1))with a superior capacity retention of 72.5%after 1000 cycles *** work offers insights into the development of advanced cathode materials for SIBs.

关键词： Sodium-ion battery Cathode material Layered oxides Lattice doping Mixed phase

Sustainable and practical semi-heterogeneous photosynthesis of 5-amino-1,2,4-thiadiazoles over WS_(2)/TEMPO

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2024年第8期35卷 250-253页

作者： jia-Cheng Hou Hong-Tao ji yu-Han Lu jia-Sheng Wang Yao-dan Xu Yan-Yan Zeng Wei-Min He School of Chemistry and Chemical Engineering University of South ChinaHengyang 421001China

An eco-friendly and practical method for the clean preparation of 5-amino-1,2,4-thiadiazoles was *** WS_(2)as the semiconductor photocatalyst,both TEMPO and O_(2)(in air)as the redox catalysts,a variety of thiadiazoles were semi-heterogeneously formed in high to quantitative yields and could be easily collected by CPME extraction and ***,the catalytic system can be reusable for at least 5 reaction runs.

关键词： Green chemistry Thiadiazoles Heterogeneous catalyst Redox catalyst Extraction

Berberine alleviates ovarian tissue damage in mice with hepatolenticular degeneration by suppressing ferroptosis and endoplasmic reticulum stress

在线全文

学校读者我要写书评

暂无评论

Journal of Integrative Medicine 2024年第4期22卷 493-502页

作者： Qian-zhuo Liu Hui Han Xin-ru Fang Lu-yao Wang dan Zhao Miao-zhu Yin Nian Zhang Peng-yu jiang Zhi-hui ji Li-min Wu Department of Neurology the First Affiliated Hospital of Anhui University of Chinese MedicineHefei 230031Anhui ProvinceChina Center for Reproduction and Genetics the First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230031Anhui ProvinceChina

Objective:Hepatolenticular degeneration (HLD) is an autosomal recessive disorder that manifests as multiorgan damage due to impaired copper (Cu) metabolism. Female patients with HLD often experience reproductive impairments. This study investigated the protective effect of berberine against ovarian damage in toxic-milk (TX) mice, a murine model for ***:Mice were categorized into control group, HLD TX group (HLD group), penicillamine (Cu chelator)-treated TX group and berberine-treated TX group. Body weight, ovary weight and the number of ovulated eggs were recorded. Follicular morphology and cellular ultrastructure were examined. Total iron, ferrous iron (Fe2+) and trivalent iron (Fe3+) levels, as well as malondialdehyde (MDA), glutathione(GSH) and oxidized glutathione (GSSG), were measured in the ovaries. Western blot analysis was used to analyze the expression of proteins related to ferroptosis and endoplasmic reticulum (ER) ***:Ovarian tissue damage was evident in the HLD group, with a significant increase in ferroptosis and ER stress compared to the control group. This damage was inhibited by treatment with penicillamine,a Cu chelator. Compared with the HLD group, berberine increased the number of ovulations, and improved ovarian morphology and ultrastructure. Further, we found that berberine reduced total iron,Fe2+, MDA and GSSG levels, elevated GSH levels, decreased the expression of the ferroptosis marker protein prostaglandin-endoperoxide synthase 2 (PTGS2), and increased glutathione peroxidase 4 (GPX4)expression. Furthermore, berberine inhibited the expression of ER stress-associated proteins mediated by the protein kinase RNA-like ER kinase (PERK) ***:Ferroptosis and ER stress are involved in Cu-induced ovarian damage in TX mice. Berberine ameliorates ovarian damage in HLD TX mice by inhibiting ferroptosis and ER stress.

关键词： Berberine Hepatolenticular degeneration Copper deposition Ferroptosis Endoplasmic reticulum stress

同方期刊数据库

Long-term tadalafil once daily in Chinese men with erectile dysfunction:a 2-year final analysis of a post-marketing,multicenter,randomized,open-label trial

在线全文

学校读者我要写书评

暂无评论

Asian Journal of Andrology 2024年第3期26卷 282-287页

作者： Hui jiang Lian-Ming Zhao Su Yan ji-Hong Liu Zhao-Hui Zhu jin-dan Luo yu-Tian Dai Fu-Biao Li Hao-Cheng Lin Zhi-Chao Zhang Department of Urology Peking University First HospitalBeijing 100000China Department of Urology Peking University Third HospitalBeijing 100191China Department of Urology Peking Union Medical College HospitalBeijing 100730China Department of Urology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Urology Union Hospital of Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of Urology The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Departmentof Andrology Nanjing Drum Tower HospitalNanjing 210008China Department of Andrology The First Hospital of Jilin UniversityChangchun 130021China Andrology Center Department of UrologyPeking University First HospitalBeijing 100034China

The long-term safety and effectiveness of once-daily tadalafil is crucial,but limited data are available in Chinese patients witherectile dysfunction(ED).In this post-marketing,multicenter,randomized,open-label trial with 2-year follow-up,635 ED caseswere randomized to receive daily oral tadalafil 2.5 mg or 5 mg for 3 months,of whom 580 continued once-daily tadalafil 5 mg for21 ***-emergent adverse events in the 12-month and 24-month period were similar,with the most common beingviral upper respiratory tract infection,upper respiratory tract infection,and *** improvement from baseline inthe International Index of Erectile Function-Erectile Function(IIEF-EF)score was detected at month 12(least squares mean[LSM]change:7.9,95%confidence interval[CI]:7.5–8.4,P<0.001)and was maintained to month 24(LSM change:8.6,95%CI:8.1–9.0,P<0.001).The proportions of patients regaining normal erectile function(IIEF-EF score≥26)were 43.7%and 48.0%at months 12 and 24,*** Assessment Questionnaire results showed improved erection function in 97.5%ofpatients and improved ability to engage in sexual activity in 95.9%of patients at month 12;these values were 96.1%and 95.0%at month 24,*** quality of sexual life score based on the Sexual Life Quality Questionnaire(SLQQ)was increased by52.2%at month 12 and by 55.3%at month 24(both P<0.001).The treatment satisfaction score determined by SLQQ(mean±standard deviation)was 62.4±21.0 at month 12 versus 65.9±20.2 at month ***-year daily application of tadalafil 5mg in Chinese men with ED showed a favorable safety profile and durable improvement in sexual performance and satisfaction.

关键词： clinical trial erectile dysfunction long-term safety once-daily dosing tadalafil

基于波形距离系数的逆变站近区交流线路保护方向元件

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

电力系统自动化 2024年第1期48卷 140-149页

作者：冀肖彤柳丹熊平陈玉杨霖文明浩国网湖北省电力有限公司湖北省武汉市430077 国网湖北省电力有限公司电力科学研究院湖北省武汉市430077 华中科技大学电气与电子工程学院湖北省武汉市430074

逆变站仅有单回出线时,若逆变站近区交流线路发生故障,逆变站的复杂特性导致传统方向元件难以判别故障方向。文中对逆变站近区交流线路故障特征进行了分析。然后,指出了交流线路电流与交流边界元件电流时域变化量之间的相似特征,提出了... 详细信息

逆变站仅有单回出线时,若逆变站近区交流线路发生故障,逆变站的复杂特性导致传统方向元件难以判别故障方向。文中对逆变站近区交流线路故障特征进行了分析。然后,指出了交流线路电流与交流边界元件电流时域变化量之间的相似特征,提出了利用测量电压、电流推算交流边界元件电流的电磁暂态计算方法。最后,利用时域中的交流线路电流与交流边界元件电流之间的波形距离系数在正方向和反方向故障下的差异,提出了一种新的方向判别原理,并通过大量仿真对其性能进行了验证。仿真结果表明,所提方向元件能准确识别故障方向,具有较高的可靠性和灵敏度。

关键词：交直流混联系统逆变站方向元件电磁暂态计算波形距离系数

巨噬细胞极化在高血压病中的作用及中医药干预研究进展

在线全文

学校读者我要写书评

暂无评论

中国中药杂志 2024年第1期49卷 15-25页

作者：杨振宇李纪新顾晨浩李丙泉李晨郭丹丹黑龙江中医药大学黑龙江哈尔滨150040 中国中医科学院西苑医院北京100091 黑龙江中医药大学附属第二医院黑龙江哈尔滨150001

高血压是一种慢性低度炎症状态,是继发心力衰竭、冠心病以及动脉粥样硬化的关键危险因素。循环系统的巨噬细胞是参与人体免疫及炎症反应的主要细胞群,根据微环境的不同,可极化为促炎的M1表型及抑炎的M2表型。当血压升高时,表现为M1释放... 详细信息

高血压是一种慢性低度炎症状态,是继发心力衰竭、冠心病以及动脉粥样硬化的关键危险因素。循环系统的巨噬细胞是参与人体免疫及炎症反应的主要细胞群,根据微环境的不同,可极化为促炎的M1表型及抑炎的M2表型。当血压升高时,表现为M1释放炎性细胞因子和趋化因子,发挥免疫反应;过度的免疫反应必然会导致组织损伤,故M2释放抗炎因子以促进伤口的愈合及组织的修复。M1与M2的动态平衡与中医阴阳理论环环相扣,阴阳失调则机体呈现病理状态,表现为血压节律的改变。现有研究证实,中药可通过调控巨噬细胞极化,对高血压病产生积极的疗效。故作者从巨噬细胞极化角度切入,整合所有中医药调控巨噬细胞极化的研究,对其干预高血压病的机制进行综述,以期为临床治疗提供证据,为科研设计提供思路。

关键词：高血压病炎症巨噬细胞极化中医药作用靶点阴阳理论

Expert Consensus on the Treat-to-Target Strategy for Psoriasis With Biological Agents in China(Simplified Edition)

在线全文

学校读者我要写书评

暂无评论

International Journal of Dermatology and Venereology 2024年第2期7卷 61-69页

作者： Ai-Jun Chen Da-Xing Cai Xiang Chen Yong Cui Yan Ding Heng Gu Xing-Hua Gao Chao ji Xiao-jing Kang Ye-Hong Kuang Cheng-Zhi Lyu Min Li Wei Li Xia Li yu-Zhen Li Xiao-Yong Man jian-Jun Qiao Juan Su Liang-dan Sun yu-Ling Shi Juan Tao jian-Xin Xia Rong Xiao Bin Yang Wu Zhu Xue-Jun Zhang Committee on Psoriasis Dermatology and Venereology Branch of the Chinese Medical Association Department of Dermatology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Dermatology Qilu HospitalShandong UniversityJinanShandong 250100China Department of Dermatology Xiangya HospitalCentral South UniversityChangshaHunan 410008China Department of Dermatology China-Japan Friendship HospitalBeijing 100192China Department of Dermatology Hainan Provincial Hospital of Skin DiseaseHaikouHainan 570311China Department of Dermatology Hospital for Skin DiseasesChinese Academy of Medical SciencesNanjingJiangsu 210042China Department of Dermatology The First Hospital of China Medical UniversityShenyangLiaoning 110002China Department of Dermatology The First Affiliated Hospital of Fujian Medical UniversityFuzhouFujian 350004China Department of Dermatology People’s Hospital of Xinjiang Uygur Autonomous RegionUrumqiXinjiang Uyghur Autonomous Region 830001China Department of Dermatology Dalian Dermatosis HospitalDalianLiaoning 116021China Department of Dermatology Dushu Lake Hospital Affiliated to Soochow UniversitySuzhouJiangsu 215127China Department of Dermatology West China Hospital of Sichuan UniversityChengduSichuan 610044China Department of Dermatology Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China Department of Dermatology The Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiang 150086China Department of Dermatology The Second Affiliated Hospital of Zhejiang University School of MedicineHangzhouZhejiang 310003China Department of Dermatology The First Affiliated Hospital of Zhejiang University School of MedicineHangzhouZhejiang 310003China Department of Dermatology The First Affiliated Hospital of Anhui Medical UniversityHefeiAnhui 230022China Department of Dermatology Shanghai Skin Disease HospitalTongji University School of MedicineShanghai 200093China Department of Dermatology The Union Hospital of Tongji Medical CollegeHuazhong University of Science and Te

Psoriasis is a chronic,recurrent,inflammatory systemic disease that is not only characterized by skin manifestations but may also be accompanied by various comorbidities,imposing a heavy burden on patients’physical and mental health and affecting their quality of *** the continuous approval of various biological agents for clinical use has provided more effective treatment options to patients with psoriasis,no consensus on the evaluation of comprehensive treatment goals has yet been *** treat-to-target(T2T)strategy requires consideration of multiple dimensions of treatment outcomes,the development of long-term management goals,and regular assessments of treatment conditions,which are often used in the management of chronic ***,based on the latest consensuses and guidelines,research data,and clinical experience as well as the combination of survey results and expert group discussions,the present consensus focuses on 4 dimensions of short-and long-term integrated management goals for biological agents:alleviating skin lesions,improving quality of life,screening and managing psoriasis comorbidities,and ensuring drug *** implementation methods,evaluation time,treatment monitoring,and program adjustments are also herein described to achieve comprehensive management of psoriasis to the maximum *** consensus provides a reference for clinical practice.

关键词： psoriasis biological agents treat-to-target comorbidity consensus

跨境电商专业“专创融合”实践教学体系构建研究

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

创新创业理论研究与实践 2024年第8期7卷 101-104页

作者：籍丹宁于丹黑龙江科技大学黑龙江哈尔滨150022

“专创融合”是实现高质量创新创业教育的重要突破口,跨境电商专业在人才培养上应着力构建阶梯式“专创融合”实践教学体系,将创新创业教育充分融入跨境电商人才培养方案的全流程实践教学环节,从激发创新创业精神、锻炼创新创业思维、... 详细信息

“专创融合”是实现高质量创新创业教育的重要突破口,跨境电商专业在人才培养上应着力构建阶梯式“专创融合”实践教学体系,将创新创业教育充分融入跨境电商人才培养方案的全流程实践教学环节,从激发创新创业精神、锻炼创新创业思维、提升创新设计能力、培养创业实践能力4个维度培养高素质跨境电商应用型人才。

关键词：跨境电商 “专创融合” 人才培养实践教学教学体系阶梯式结构