检索结果-南通市图书馆

Hypoxic and temporal variation in the endocrine disrupting toxicity of perfluorobutanesulfonate in marine medaka(Oryzias melastigma)

引用

Journal of Environmental sciences 2024年第2期136卷 279-291页

作者： Baili Sun Jing Li Yachen Bai Xiangzhen Zhou Paul K.S.Lam Lianguo Chen State Key Laboratory of Freshwater Ecology and Biotechnology Institute of HydrobiologyChinese Academy of SciencesWuhan 430072China University of Chinese Academy of sciences Beijing 100049China Office of the President Hong Kong Metropolitan University30 Good Shepherd StreetKowloonHong Kong SARChina

Perfluorobutanesulfonate(PFBS)is an emerging pollutant capable of potently disrupting the sex and thyroid endocrine systems of ***,the hypoxic and temporal variation in PFBS endocrine disrupting toxicity remain largely *** the present study,adult marine medaka were exposed to environmentally realistic concentrations of PFBS(0 and 10μg/L)under normoxia or hypoxia conditions for 7 days,aiming to explore the interactive behavior between PFBS and *** addition,PFBS singular exposure was extended till 21days under normoxia to elucidate the time-course progression in PFBS *** results showed that hypoxia inhibited the growth and caused the suspension of egg spawn regardless of PFBS *** regard to the sex endocrine system,7-day PFBS exposure led to an acute stimulation of transcriptional profiles in females,which,subsequently,recovered after the 21-day *** potency of hypoxia to disturb the sex hormones was much stronger than PFBS.A remarkable increase in estradiol concentration was noted in medaka blood after hypoxia *** in sex endocrinology of coexposed fish were largely determined by hypoxia,which drove the formation of an estrogenic *** further enhanced the endocrine disrupting effects of ***,the hepatic synthesis of vitellogenin and choriogenin,two commonly used sensitive biomarkers of estrogenic activity,failed to initiate in response to the estrogen *** to sex endocrine system,disturbances in thyroidal axis by PFBS or hypoxia were relatively ***,the present findings will advance our toxicological understanding about PFBS pollutant under the interference of hypoxia.

关键词： Perfluorobutanesulfonate(PFBS) Aquatic hypoxia Temporal toxicity Combined exposure Endocrine disruption Marine medaka

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Artemisia argyi extract subfraction exerts an antifungal effect against dermatophytes by disrupting mitochondrial morphology and function

引用

Chinese Journal of natural Medicines 2024年第1期22卷 47-61页

作者： CHEN Le ZHU Yunyun GUO Chaowei GUO Yujie ZHAO Lu MIAO Yuhuan DU Hongzhi LIU Dahui College of Pharmacy Hubei University of Chinese MedicineWuhan 430065China National Resource Center for Chinese Materia Medica China Academy of Chinese Medical SciencesBeijing 100700China College of Pharmacy Nanjing University of Chinese MedicineNanjing 210023China

Artemisia argyi(***),a plant with a longstanding history as a raw material for traditional medicine and functional diets in Asia,has been used traditionally to bathe and soak feet for its disinfectant and itch-relieving *** its widespread use,scientific evidence validating the antifungal efficacy of *** water extract(AAWE)against dermatophytes,particularly Trichophyton rubrum,Trichophyton mentagrophytes,and Microsporum gypseum,remains *** study aimed to substantiate the scientific basis of the folkloric use of *** by evaluating the antifungal effects and the underlying molecular mechanisms of its active subfraction against *** results indicated that AAWE exhibited excellent antifungal effects against the three aforementioned dermatophyte *** subfraction AAWE6,isolated using D101 macroporous resin,emerged as the most potent *** minimum inhibitory concentrations(MICs)of AAWE6 against ***,***,and *** were 312.5,312.5,and 625μg·mL−1,*** electron microscopy(TEM)results and assays of enzymes linked to cell wall integrity and cell membrane function indicated that AAWE6 could penetrate the external protective barrier of ***,creating breaches(“small holes”),and disrupt the internal mitochondrial structure(“granary”).Furthermore,transcriptome data,quantitative real-time PCR(RT-qPCR),and biochemical assays corroborated the severe disruption of mitochondrial function,evidenced by inhibited tricarboxylic acid(TCA)cycle and energy ***,chemical characterization and molecular docking analyses identified flavonoids,primarily eupatilin(131.16±4.52 mg·g^(−1))and jaceosidin(4.17±0.18 mg·g^(−1)),as the active components of *** conclusion,the subfraction AAWE6 from *** exerts antifungal effects against dermatophytes by disrupting mitochondrial morphology and *** research validates the traditional use of *** and provides scient

关键词： Artemisia argyi Dermatophyte Antifungal activity Mitochondrial structure Mitochondrial function Transcriptome analysis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Spin-orbit torque effect in silicon-based sputtered Mn_(3)Sn film

引用

Chinese Physics B 2024年第10期33卷 394-399页

作者： Sha Lu Dequan Meng Adnan Khan Ziao Wang Shiwei Chen Shiheng Liang School of Physics Hubei UniversityWuhan 430062China Key Laboratory for Intelligent Sensing System and Security of Ministry of Education Wuhan 430062China

Noncollinear antiferromagnet Mn_(3)Sn has shown remarkable efficiency in charge-spin conversion,a novel magnetic spin Hall effect,and a stable topological antiferromagnetic state,which has resulted in great interest from researchers in the field of spin-orbit *** research has primarily focused on the spin-orbit torque effect of epitaxially grown noncollinear antiferromagnet Mn_(3)Sn ***,this method is not suitable for large-scale industrial *** this study,amorphous Mn_(3)Sn films and Mn_(3)Sn/Py heterostructures were prepared using magnetron sputtering on silicon *** spin-torque ferromagnetic resonance measurement demonstrated that only the conventional spin-orbit torque effect generated by in-plane polarized spin currents existed in the Mn_(3)Sn/Py heterostructure,with a spin-orbit torque efficiency of ***,we prepared the perpendicular magnetized Mn_(3)Sn/CoTb heterostructure based on amorphous Mn_(3)Sn film,where the spin-orbit torque driven perpendicular magnetization switching was achieved with a lower critical switching current density(3.9×10^(7)A/cm^(2))compared to Ta/CoTb *** research reveals the spin-orbit torque effect of amorphous Mn_(3)Sn films and establishes a foundation for further advancement in the practical application of Mn_(3)Sn materials in spintronic devices.

关键词： spintronics noncollinear antiferromagnetism spin-orbit torque

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Toward a compact fiber comb with 1.66×10^(-12)instability based on acetylene-filled photonic microcells

引用

Chinese Optics Letters 2024年第8期22卷 29-34页

作者： Qingqing Chen Yongqi Li Shun Wu hubei Key Laboratory of Optical Information and Pattern Recognition Wuhan Institute of TechnologyWuhan 430205China

We demonstrated an optical fiber frequency comb stabilized to an acetylene-filled photonic *** short-term instability of the comb at 1 s gate time was 1.66×10^(-12)for a 4.2-h measurement in a laboratory environment with air *** is the best short-term stability reported for a compact fiber comb stabilized to an acetylene-filled photonic microcell at telecom *** is particularly significant in the development of compact fiber combs with target instability of 10^(-13).Such a device has the potential to serve as an alternative to GPS in areas lacking signal coverage,including remote locations,regions with adverse weather conditions,and military intelligence areas.

关键词： optical frequency comb gas-filled photonic microcell hollow-core photonic crystal fiber

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Design and construction of size-controlled CoO/CS catalysts for Fischer–Tropsch synthesis

引用

Nano Research 2024年第4期17卷 2520-2527页

作者： Wei Sun Ting Kuang Guiyou Wei Yue Li Yaqin Liu Shuai Lyu Yuhua Zhang Jinlin Li Li Wang Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education&hubei Key Laboratory of Catalysis and Materials science South-Central Minzu UniversityWuhan 430074China hubei Key Laboratory of Biomass Fibers and Eco-dyeing&Finishing College of Chemistry and Chemical EngineeringWuhan Textile UniversityWuhan 430200China

The use of supported Co-based catalysts is widespread in various catalytic reactions due to their unique *** structural sensitivity of these catalysts is closely linked to their particle size and crystal ***,comprehending the structure–activity relationship requires the development of well-defined Co-based ***,we employed a colloidal wet chemical process and a heterogeneous nucleation method to prepare well-defined Co-based catalysts supported by inert carbon *** nanospheres’surface possesses abundant functional groups that efficiently capture metal complexes and facilitate the nucleation and growth of CoO *** adjusting the Co source concentration,solvent molar ratio,and nucleation growth kinetics,we successfully prepared CoO/carbon sphere(CS)catalysts with different particle sizes and crystal *** influence of metallic face-centered cubic(fcc)-Co^(0) particle size in the range of 6.6–17.6 nm on the performance of Fischer–Tropsch synthesis(FTS)using well-defined CoO/CS catalysts has been *** result demonstrated that the turnover frequency(TOF)remained constant for CoO/CS catalysts with metallic fcc-Co^(0) particle size larger than 7.7 ***,both the selectivity and the activity changed for CoO/CS catalysts with smaller particles(<7.7 nm).Significantly,when metallic fcc-Co^(0) particle size was reduced from 17.6 to 7.7 nm,the cobalt time yield increased to 6.7μmolCO·gCo^(-1)·s^(-1),indicating improved catalytic *** the same time,the CH_(4) selectivity decreased to 4.9%,suggesting a higher preference for hydrocarbon *** findings demonstrate the importance of particle size in Co catalyzed Fischer–Tropsch *** use of well-defined CoO/CS catalysts offers valuable insights into the structure–activity relationship,leading to a better understanding of Co catalyzed Fischer–Tropsch synthesis.

关键词： Fischer–Tropsch synthesis(FTS) cobalt size effects phase effects carbon nanospheres

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Complementary memtransistors for neuromorphic computing: How, what and why

引用

Journal of Semiconductors 2024年第6期45卷 64-80页

作者： Qi Chen Yue Zhou Weiwei Xiong Zirui Chen Yasai Wang Xiangshui Miao Yuhui He School of Integrated Circuits Huazhong University of Science and TechnologyWuhan 430074China Department of Electrical and Computer Engineering University of CaliforniaSan DiegoUSA Dipartimento di Elettronica e Informazione and *** Politecnico di MilanoMilanoItaly Department of Applied Physics Hong Kong Polytechnic UniversityHong KongChina

Memtransistors in which the source-drain channel conductance can be nonvolatilely manipulated through the gate signals have emerged as promising components for implementing neuromorphic *** the other side,it is known that the complementary metal-oxide-semiconductor(CMOS)field effect transistors have played the fundamental role in the modern integrated circuit ***,will complementary memtransistors(CMT)also play such a role in the future neuromorphic circuits and chips?In this review,various types of materials and physical mechanisms for constructing CMT(how)are inspected with their merits and need-to-address challenges *** the unique properties(what)and poten-tial applications of CMT in different learning algorithms/scenarios of spiking neural networks(why)are reviewed,including super-vised rule,reinforcement one,dynamic vision with in-sensor computing,*** exploiting the complementary structure-related novel functions,significant reduction of hardware consuming,enhancement of energy/efficiency ratio and other advan-tages have been gained,illustrating the alluring prospect of design technology co-optimization(DTCO)of CMT towards neuro-morphic computing.

关键词： complementary memtransistor neuromorphic computing reward-modulated spike timing-dependent plasticity remote supervise method in-sensor computing

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Dynamic thermal rating assessment of oil-immersed power transformers for multiple operating conditions

引用

High Voltage 2024年第1期9卷 195-205页

作者： Chen Zhang Xuzhu Dong Jiangjun Ruan Yongqing Deng School of Electrical Engineering and Automation Wuhan UniversityWuhanHubeiChina

In this article,the dynamic thermal rating assessment method of oil-immersed power transformer with multiple operating conditions is proposed,considering the constraints of hot spot temperature(HST),top oil temperature,losses of life and the maximum allowable current of on-load tap changer(OLTC)or bushing,which can determine the dynamic load curves under different operating conditions and give the most sensitive constraints to limit the dynamic load *** improve the accuracy of HST estimation,the temperature estimation model is also improved and the thermal parameters are optimised using the HST measured by optical ***,several application examples are studied for transformers in different *** results show that the normal cyclic dynamic transformer rating(DTR)is mainly limited by the losses of life when the ambient temperature is high,and the average load factor can be increased to 0.82 with a maximum load capacity of *** main limiting factor of short-term DTR is the OLTC or bushing current constraint,and the average load factor can be increased to *** maximum load capacity of the transformer under both operating conditions is 23%and 50%higher than its rated load capacity,indicating that the transformer still has a large load potential available.

关键词： load thermal power

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Landslide Displacement Prediction Based on Time Series and PSO-BP Model in Three Georges Reservoir, China

引用

Journal of Earth science 2024年第3期35卷 1079-1082页

作者： Dexiang Gao Kou Li Yuncheng Cai Tao Wen School of Geosciences Yangtze UniversityWuhan 430100China School of science Yunnan Agricultural UniversityKunming 650201China

0 INTRODUCTION Landslides are one of the most frequent geological disasters in the world(Wen et al.,2020;Froude and Petley,2018),which have occurred frequently and widely distributed in China for a long *** landslides are essentially a complex multidimensional nonlinear dynamic system affected by its own geological conditions and external factors(Ma et al.,2021;Wang et al.,2019),including geotechnical characteristics,hydrogeology,geomorphologic conditions,climate,and weathering(Ma et al.,2020).The interaction of these factors makes the change of landslide displacement random,fuzzy and variable(Park and Michalowski,2017),and also brings great difficulties to the landslide displacement prediction(Ma et al.,2018).

关键词： landslide Landslide weathering

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

An artificial interphase enables stable PVDF-based solid-state Li metal batteries

引用

Nano Research 2024年第3期17卷 1482-1490页

作者： Mengjun Wu Jiangping Song Jiaheng Lei Haolin Tang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Department of Chemistry School of ChemistryChemical Engineering and Life SciencesWuhan University of TechnologyWuhan 430070China Foshan Xianhu Laboratory of the Advanced Energy science and Technology Guangdong Laboratory Foshan 528200China

Composite polymer electrolytes(CPEs)have attracted much attention for high energy density solid-state lithium-metal batteries owing to their flexibility,low cost,and easy ***,the unstable Li/CPE interface is always challengeable for the practical utilization of ***,a polymer interlayer containing K+prepared by ultraviolet(UV)-curing precursor solution is coated on Li surface to stabilize the interface between poly(vinylidene difluoride)(PVDF)composite electrolytes and Li *** from the physical barrier of the interlayer,the continuous decomposition of PVDF is restrained and the intimate contact between electrode and electrolyte is also achieved to reduce the interface ***,the added K+is utilized to further regulate smooth Li *** a consequence,the symmetric Li|Li cell with coated Li demonstrates steady cycling at 0.4 mAh·cm^(-2) and a high critical current density of 1 mA·cm^(-2).The assembled Li|LiFePO_(4) cell presents outstanding cycling stability(capacity retention of 90%after 400 cycles at 1 C)and good rate *** associated pouch cell performs impressive flexibility and *** work provides a convenient strategy to achieve stable Li/PVDF interface for high-performance PVDF-based solid state Li metal batteries.

关键词： interfacial modification solid-state batteries composite polymer electrolytes interfacial compatibility lithium dendrite

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Acquired immune thrombotic thrombocytopenic purpura(TTP)associated with inactivated COVID-19 vaccine CoronaVac

引用

Frontiers of Medicine 2024年第4期18卷 744-751页

作者： Zhangbiao Long Suyu Jiang Honglei Xin Lu Zhang Ruinan Lu Fengqi Liu Yong Xu Linv Wang Jun Wang Xuezhong Zhang Hui Liao Jinning Shi Xue Yan Xiang Zhu Ruonan Shao Zijian Li Yilin Zhu Han Yan Jiao Wu Chao Fang Xiaodong Xi Xiaofeng Shi Department of Hematology The First Affiliated Hospital of Anhui Medical UniversityHefei230022China Department of Hematology The Second Affiliated Hospital of Nanjing Medical UniversityNanjing210003China Department of Hematology The First Affiliated Hospital of Nanjing Medical UniversityJiangsu Province HospitalNanjing210029China Department of Hematology Nanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjing210008China Department of Hematology The Affiliated Hospital of Nanjing University of Chinese MedicineThe First Clinical Medical College of Nanjing University of Chinese MedicineNanjing210009China Department of Hematology Zhongda Hospital of Southeast UniversityNanjing210044China Department of Hematology Nanjing First HospitalNanjing Medical UniversityNanjing210006China Department of Hematology The Air Force Hospital of Eastern Theater commandNanjing210016China Department of Hematology Jiangning Hospital Affiliated of Nanjing Medical UniversityNanjing211199China Department of Hematology Nanjing Hospital of Chinese MedicineNanjing210006China Department of Pharmacology School of Basic MedicineTongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious DiseasesHuazhong University of Science and TechnologyThe Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei ProvinceWuhan430030China Shanghai Institute of Hematology State Key Laboratory of Medical GenomicsRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai200025China

Corona virus disease 2019(COVID-19)due to severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection has affected the whole *** thrombotic thrombocytopenic purpura(TTP)has been reported after administration of mRNA-or adenoviral vector-based COVID-19 vaccines,including ***2-S,BNT162b2,mRNA-1273,and ChAdOx1 ***,whether inactivated vaccines,such as CoronaVac,could cause TTP and whether the symptoms in TTPs caused by inactivated vaccines are different from previously reported cases are *** this study,two cases were *** cases developed TTP after the second CoronaVac vaccination shot,but not the *** demonstrated symptoms of fever,neurological abnormalities,renal dysfunction,thrombocytopenia,and *** patients achieved complete remission through several sessions of plasma exchanges and immune *** incidence of TTP in Nanjing area was *** number of patients with TTP was 12 in 2019,6 in 2020,16 in 2021,and 19 in *** the authors’knowledge,this report is the first report of TTP associated with inactivated COVID-19 vaccine(CoronaVac).The rarity and delayed onset may be due to the relatively milder immune response caused by the inactivated vaccines than mRNA-based *** plasma exchange is a vital treatment for CoronaVac-related TTP,similar to activated vaccine-related TTP.

关键词： thrombotic thrombocytopenia purpura(TTP) corona virus disease 2019(COVID-19) CoronaVac acute respiratory syndrome coronavirus 2(SARS-CoV-2) vaccine

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：