检索结果-南通市图书馆

An unprotected vulnerable relict subtropical conifer-Keteleeria evelyniana: Its forests, populations, growth and endangerment by invasive alien plant species in China

引用

Plant Diversity 2024年第5期46卷 648-660页

作者： Cindy Q.Tang Min-Rui Du Huan-chong Wang You-Cai Shi Jia-Le Zeng Shu-Li Xiao Peng-Bin han Jian-Ran Wen Shi-Qian Yao Ming-Chun Peng chong-Yun Wang Yong-Ping Li Jordi López-Pujol Institute of Ecology and Geobotany College of Ecology and Environmental ScienceYunnan UniversityBuilding#3Guozhong DalouDongwaihuan South RoadUniversity TownChenggong New DistrictKunming 650504YunnanChina College of Life Sciences Yunnan UniversityShengming Kexueyuan Building#2Chenggong CampusDongwaihuan South RoadUniversity TownChenggong New DistrictKunming 650504YunnanChina College of Natural Resources Yunnan UniversityChenggong CampusDongwaihuan South RoadUniversity TownChenggong New DistrictKunming 650504YunnanChina Botanic Institute of Barcelona(IBB CSIC-CMCNC)Passeig del Migdia s/nBarcelona 08038CataloniaSpain Escuela de Ciencias Ambientales Universidad Espíritu Santo(UEES)Samborondon 091650Ecuador

Relict subtropical coniferous forests in China face severe fragmentation,resulting in declining populations,and some are under significant threat from invasive alien *** the crucial importance of understanding forest dynamics,knowledge gaps persist,particularly regarding the impact of invasive plants on vulnerable natives like Keteleeria *** this study,we investigated the impact of invasive plants on the regeneration of forests dominated by ***,a subtropical relict species in southwestern *** this purpose,we characterized forest dynamics of 160 forest plots featuring *** as the primary dominant species and determined whether the presence of invasive plants was correlated with regeneration of *** identified four distinct forest types in which *** was *** found that radial growth of *** trees is faster in younger ageclasses today than it was for older trees at the same *** population structure of *** in each forest type exhibited a multimodal age-class ***,three forest types lacked established saplings younger than 10 years old,a situation attributed to the dense coverage of the invasive alien Ageratina *** invasive species resulted in a reduction of understory species ***,our analysis uncovered a significant negative correlation in phylogenetic relatedness(net relatedness index)between native and invasive alien plant species in eastern *** suggests closely related invasive species face heightened competition,hindering successful *** together,our findings indicate that successful establishment and habitat restoration of *** seedling/saplings require effective measures to control invasive plants.

关键词： Keteleeria evelyniana Age structure Regeneration Species diversity Invasive alien species Phylogenetic relatedness

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

Elucidating the cardioprotective mechanisms of sodium-glucose cotransporter-2 inhibitors beyond glycemic control

引用

World Journal of Diabetes 2024年第2期15卷 137-141页

作者： Ke-Xin Zhang Cheng-Xia Kan fang han Jing-Wen Zhang Xiao-Dong Sun Department of Endocrinology and Metabolism Affiliated Hospital of Weifang Medical UniversityWeifang 261031Shandong ProvinceChina

Sodium-glucose cotransporter-2(SGLT2)inhibitors have emerged as a pivotal intervention in diabetes management,offering significant cardiovascular ***,in particular,has demonstrated cardioprotective effects beyond its glucose-lowering action,reducing heart failure hospitalizations and improving cardiac *** note,the cardioprotective mechanisms appear to be independent of glucose lowering,possibly mediated through several mechanisms involving shifts in cardiac metabolism and anti-fibrotic,anti-inflammatory,and anti-oxidative *** editorial summarizes the multifaceted cardiovascular advantages of SGLT2 inhibitors,highlighting the need for further research to elucidate their full therapeutic potential in cardiac care.

关键词： Diabetes Sodium-glucose cotransporter-2 Cardiovascular diseases Empagliflozin

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

Constructing highly safe and long-life calcium ion batteries based on hydratedvanadium oxide cathodes featuring a pillar structure

引用

Rare Metals 2024年第6期43卷 2597-2612页

作者： Chun-fang Wang Shi-Wei Zhang Lan Huang Yuan-Min Zhu Feng Liu Jian-Chuan Wang Li-Ming Tan Chun-Yi Zhi Cui-Ping han Powder Metallurgy Research Institute Central South UniversityChangsha410083China Songshan Lake Materials Laboratory Dongguan 523808China Research Institute of Interdisciplinary Science and School of Materials Science and Engineering Dongguan University of TechnologyDongguan 523808China Department of Materials Science and Engineering City University of Hong KongHong Kong 999077China Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

Calcium-ion batteries(CIBs)have generated intense interest due to the growing demand for safer,cheaper,and large-scale energy storage ***,their development is still in its infancy,owing to the lack of suitable cathodes for sustaining reversiblc Ca^(2+)intercalation/***,layered H_(2)V_(3)O_(8)(HVO)with Zn^(2+)pre-insertion(ZHVO)is reported as a high-rate and highly durable cathode material for *** existence of Zn^(2+)and H_(2)O pillars could expand the interlayer spacing up to 1.8 nm,which is favorable for the diffusion of bulky Ca^(2+).The formation of Zn-O bonds facilitates electron transfer and enhances electrical ***,the ZHVO cathode achieves superior capacity performance(213.9 mAh·g^(-1)at 0.2 A·g^(-1))and long lifespan(78.3%for 1,000 cycles at 5 A·g^(-1))compared to pristine *** functional theory(DFT)calculations revealed that Zn^(2+)moved during Ca^(2+)intercalation,thereby reducing the diffusion energy barrier and facilitating Ca^(2+)***,a safe aqueous calcium ion cell was successfully assembled.

关键词： Multivalent batteries Calcium-ion batteries Layered structure Vanadium oxide Cathode materials

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

Distribution and sources of sedimentary organic matter in different aquaculture areas of northeastern Zhanjiang Bay using stable carbon and nitrogen isotopes

引用

Acta Oceanologica Sinica 2024年第6期43卷 38-48页

作者： Fengxia Zhou Shuangling Wang han fang Jiani He Liang Ye Zhaohai Ding Cuiting Li Fajin Chen Xuan Lu Chunqing Chen Yafei Meng College of Ocean and Meteorology Guangdong Ocean UniversityZhanjiang 524088China Key Laboratory for Coastal Ocean Variation and Disaster Prediction Guangdong Ocean UniversityZhanjiang 524088China Key Laboratory of Climate Resources and Environment in Continental Shelf Sea and Deep Sea of Department of Education of Guangdong ProvinceGuangdong Ocean UniversityZhanjiang 524088China

Zhanjiang Bay is a major aquaculture area in China with many types of mariculture products(such as oysters,fish,and shrimp).The culture area and shrimp output in Zhanjiang Bay are ranked first in *** investigated the total organic carbon(TOC),total nitrogen(TN),TOC/TN ratio,and stable isotopes(δ^(13)C and δ^(15)N) of the fish and shrimp feed,fish and shrimp feces,and sedimentary organic matter(SOM) in and around different aquaculture areas of northeastern Zhanjiang B ay to study the impact of aquaculture activities on *** average TOC contents of fish and shrimp feed were 39.20%±0.91% and 39.29%±0.21%,*** average TOC content in the surface sediments of the oyster culture area,the mixed(fish and shrimp) culture area,and the cage fish farm area were 0.66%,0.88%±0.10%,and 0.58%±0.19%,respectively,which may indicate that mixed culture had a greater impact on *** relatively high TOC and TN contents and relatively low TOC/TN ratios,and δ^(15)N values in the upper layer of the core sediment in the mixed culture area could also support the significant influence of mixed *** average δ^(13)C and δ^(15)N values of fish and shrimp feed were -20.6‰±2.2‰ and 1.8‰±1.2‰,respectively,which were different from the isotopic values of SOM in the study area.δ^(13)C and δ^(15)N values for SOM in different aquaculture areas were different from those of nearby reference stations,probably reflecting the influence of *** δ^(13)C and δ^(15)N values in the oyster culture area(-25.9‰ and6.0‰,respectively) seemed to have reduced δ^(13)C and enriched δ^(15)N relative to those of the reference station(-24.6‰ and 5.8‰,respectively).This may reflect the influence of organic matter on oyster *** δ^(15)N value of the station in the mixed culture area(7.1‰±0.4‰) seemed to be relatively enriched in δ^(15)N relative to that of the reference station(6.6‰).Sedimentation and the subsequent degradation of organic matter from mixed cultures may have contrib

关键词： sedimentary organic matter aquaculture stable isotopes sources Zhanjiang Bay

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

Efficacy and safety of Yiqi Peiyuan granules for improving the short-term prognosis of patients with acute kidney injury:A multicenter,double-blind,placebo-controlled,randomized trial

引用

Journal of Integrative Medicine 2024年第3期22卷 279-285页

作者： Jia-jia Wu Tian-yi Zhang Ying-hui Qi Min-yan Zhu Yan fang Chao-jun Qi Li-ou Cao Ji-fang Lu Bo-han Lu Lu-min Tang Jian-xiao Shen Shan Mou Department of Nephrology Molecular Cell Lab for Kidney DiseaseShanghai Peritoneal Dialysis Research CenterUremia Diagnosis and Treatment CenterRenji Hospital Affiliated to Shanghai Jiaotong University School of MedicineShanghai 200127China Department of Nephrology Shanghai Pudong New Area Punan HospitalShanghai 200125China Department of Nephrology Ningbo Hangzhou Bay HospitalNingbo 315336Zhejiang ProvinceChina

Background:Yiqi Peiyuan(YQPY)prescription,a composite prescription of traditional Chinese medicine,has been used to prevent or delay the continued deterioration of renal function after acute kidney injury(AKI)in some institutions and has shown considerable ***:This is the first randomized controlled trial to assess efficacy and safety of YQPY for improving short-term prognosis in adult patients with ***,setting,participants and interventions:This is a prospective,double-blind,multicenter,randomized,and placebo-controlled clinical trial.A total of 144 enrolled participants were randomly allocated to two groups according to a randomization ***,caregivers and investigators assessing the outcomes were blinded to group *** in the YQPY group received 36 g YQPY granules twice a day for 28 *** in the placebo group received a placebo in the same dose as the YQPY *** outcome measures:The primary outcome was the change in the estimated glomerular filtration rate(eGFR)between baseline and after 4 and 24 weeks of *** secondary outcomes were the change of serum creatinine(Scr)level between baseline and after treatment,and the incidence of endpoint events,defined as eGFR increasing by more than 25%above baseline,eGFR>75 mL/min per1.73 m2or the composite endpoint,which was defined as the sum of patients meeting either of the above ***:Data from a total of 114 patients(59 in the YQPY group and 55 in the control group)were *** mean changes in eGFR and Scr in weeks 4 and 24 had no difference between the two *** further subgroup analysis(22 in the YQPY group and 31 in the control group),the mean change in eGFR after treatment for 4 weeks was 27.39 mL/min per 1.73 m2in the YQPY group and 5.78 mL/min per1.73 m2in the placebo group,and the mean difference between groups was 21.61 mL/min per 1.73 m2(P<0.001).Thirteen(59.1%)patients in the YQPY group and 5(16.1%)in the placebo g

关键词： Chinese herbal medicine Randomized controlled trial Acute kidney injury Renal function

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

Speed limit effect during lane change in a two-lane lattice model under V2X environment

引用

Chinese Physics B 2024年第3期33卷 718-722页

作者：金灿彭光含聂方彦 College of Physical Science and Technology Guangxi Normal UniversityGuilin 541004China Guangxi Key Laboratory of Nuclear Physics and Technology Guangxi Normal UniversityGuilin 541004China Information and Modern Education Technology Center Hunan University of Arts and ScienceChangde 415000China Computer and Information Engineering College Guizhou University of CommerceGuiyang 550014China

Speed limit measures are ubiquitous due to the complexity of the road environment,which can be supplied with the help of vehicle to everything(V2X)communication ***,the influence of speed limit on traffic system will be investigated to construct a two-lane lattice model accounting for the speed limit effect during the lane change process under V2X ***,the stability condition and the mKdV equation are closely associated with the speed limit effect through theory ***,the evolution of density and hysteresis loop is simulated to demonstrate the positive role of the speed limit effect on traffic stability in the cases of strong reaction intensity and high limited speed.

关键词： traffic flow lattice model speed limit

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

Healthy life expectancy with cardiovascular disease among Chinese rural population based on the prospective cohort study

引用

Journal of Geriatric Cardiology 2024年第8期21卷 799-806页

作者： Feng JIANG Xiao-Tian LIU Ze HU Wei LIAO Shuo-Yi LI Rui-fang ZHU Zhen-Xing MAO Jian HOU Sohail Akhtar Fayaz Ahmad Tahir Mehmood chong-Jian WANG Department of Epidemiology and Biostatistics College of Public HealthZhengzhou UniversityZhengzhouChina Department of Mathematics and Statistics The University of HaripurHaripurPakistan School of Natural Sciences National University of Sciences and TechnologyIslamabadPakistan

BACKGROUND Limited research has explored the impact of cardiovascular disease(CVD)on healthy life expectancy(HLE)especially in resource-limited *** study aimed to investigate the association between CVD and HLE in Chinese rural *** This study included 11,994 participants aged 45 years and older from the baseline and follow-up surveys of the Henan rural cohort *** status was measured via a Visual Analogue *** multistate Markov model was applied to estimate the association between CVD and transitions in health,unhealthiness and ***-specific total life expectancy,HLE and unhealthy life expectancy were calculated by the multistate life table *** During a mean follow-up time of 3.85(3.84–3.86)years,there were 588 deaths *** individuals with CVD,the risk of switching from health to unhealthiness status was increased by 71%[hazard ratio(HR)=1.71,95%CI:1.42–2.07],the chance of recovery was reduced by 30%(HR=0.70,95%CI:0.60–0.82).Men aged 45 years without CVD could gain an extra 7.08(4.15–10.01)years of HLE and lose 4.00(1.60–6.40)years of unhealthy life expectancy compared to their peers with CVD,*** corresponding estimates among women were 8.62(5.55–11.68)years and 5.82(2.59–9.04)years,*** This study indicated that CVD was significantly associated with poorer health status and lower HLE among Chinese rural *** is an important public health policy to adopt targeted measures to reduce the CVD burden and enhance the quality of life and HLE in resource-limited areas.

关键词： Healthy cardiovascular life

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

Activation of NRF2 by celastrol increases antioxidant functions and prevents the progression of osteoarthritis in mice

引用

Chinese Journal of Natural Medicines 2024年第2期22卷 137-145页

作者： LIU Mingming GUO Jiatian ZHAO Jing LI Hongye FENG Xiaoxiao LIU Haojun ZhanG Hao JIA Xuejun WEI Rushuai LI fang CHEN chong HOU Mingzhuang LV Nanning XU Haiyan Department of human anatomy Xuzhou Medical UniversityXuzhou 221004China Department of Orthopedic Surgery The Affiliated Lianyungang Clinical College of Xuzhou Medical University(The Second People’s Hospital of Lianyungang)Lianyungang 222003China Department of Orthopaedics The First Afliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Institute of Hematology Xuzhou Medical UniversityXuzhou 221004China

Excessive oxidative stress impairs cartilage matrix metabolism balance,significantly contributing to osteoarthritis(OA)***(CSL),a drug derived from Tripterygium wilfordii,has recognized applications in the treatment of cancer and immune system disorders,yet its antioxidative stress mechanisms in OA remain *** study aimed to substantiate CSL’s chondroprotective effects and unravel its underlying *** investigated CSL’s impact on chondrocytes under both normal and inflammatory *** vitro,CSL mitigated interleukin(IL)-1β-induced activation of proteinases and promoted cartilage extracellular matrix(ECM)*** vivo,intra-articular injection of CSL ameliorated cartilage degeneration and mitigated subchondral bone lesions in OA ***,it was found that inhibiting nuclear factor erythroid 2-related factor 2(NRF2)abrogated CSL-mediated antioxidative functions and exacerbated the progression of *** study is the first to elucidate the role of CSL in the treatment of OA through the activation of NRF2,offering a novel therapeutic avenue for arthritis therapy.

关键词： Osteoarthritis Celastrol Articular cartilage Extracellular matrix NRF2

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

Analysis of the Immune Response by Standardized Whole‑Blood Stimulation with Metabolism Modulation

引用

Phenomics 2024年第1期4卷 81-89页

作者： Jialin Zhao Xuling han Helian Li Yali Luo Yan fang Yun Wang Jian Gao Yiran Zhao Jingxuan han Feng Qian State Key Laboratory of Genetic Engineering ShanghaiPublic Health Clinical CenterHuman PhenomeInstituteZhangjiang Fudan International InnovationCenter and School of Life SciencesFudan UniversityShanghai 200438China Ministry of Education Key Laboratory of ContemporaryAnthropology School of Life SciencesFudan UniversityShanghai 200438China Institute of Immunophenome International Human PhenomeInstitutes(Shanghai)Shanghai 200433China

The immune system defends the body from infection and plays a vital role in a wide range of health *** afects a series of physiological processes,including those linked to the function of human immune *** metabolism modulates immune cell activation and cytokine *** the relationship between metabolism and immune response has important implications for the development of immune-based ***,the deployment of large-scale functional assays to investigate the metabolic regulation of immune response has been limited by the lack of standardized ***,we present a protocol for the analysis of immune response using standardized whole-blood stimulation with metabolism *** immune stimuli including pattern recognition receptor(PRR)ligands and microbial stimuli were incubated with fresh human whole *** metabolic inhibitors were used to modulate metabolic status in the immune *** variable immune responses after metabolic interventions were *** described in detail the main steps involved in the whole-blood stimulation and cytokines quantifcation,namely,collection and treatment of whole blood,preparation of samples and controls,cytokines detection,and stimulation with metabolic *** metabolic inhibitors for anabolic pathways and catabolic pathways exert selective efects on the production of cytokines from immune *** addition to a robust and accurate assessment of immune response in cohort studies,the standardized whole-blood stimulation with metabolic regulation might provide new insights for modulating immunity.

关键词： Immune response Whole blood stimulation Cytokines Immunometabolism

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

Thermal and Magnetic Dual-Responsive Catheter-Assisted Shape Memory Microrobots for Multistage Vascular Embolization

引用

Research 2024年第3期2024卷 529-543页

作者： Qianbi Peng Shu Wang Jianguo han Chenyang Huang Hengyuan Yu Dong Li Ming Qiu Si Cheng chong Wu Mingxue Cai Shixiong Fu Binghan Chen Xinyu Wu Shiwei Du Tiantian Xu Guangdong Provincial Key Lab of Robotics and Intelligent Systems Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina University of Chinese Academy of Sciences BeijingChina Department of Neurosurgery South China HospitalMedical SchoolShenzhen University.ShenzhenChina The Key Laboratory of Biomedical Imaging Science and System Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina.

Catheters navigating through complex vessels,such as sharp turns or multiple U-turns,remain challenging for vascular ***,we propose a novel multistage vascular embolization strategy for hard-to-reach vessels that releases untethered swimming shape-memory magnetic microrobots(SMMs)from the prior catheter to the vessel ***,made of organo-gel with magnetic particles,ensure biocompatibility,radiopacity,thrombosis,and fast thermal and magnetic *** SMM is initially a linear shape with a 0.5-mm diameter at 20°C inserted in a *** transforms into a predetermined helix within 2 s at 38°C blood temperature after being pushed out of the catheter into the *** enable agile swimming in confined and tortuous vessels and can swim upstream using helical propulsion with rotating magnetic ***,we validated this multistage vascular embolization in living rabbits,completing 100-cm travel and renal artery embolization in 2 *** 4 weeks,the SMMs maintained the embolic position,and the kidney volume decreased by 36%.

关键词： turns maintained travel

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：