检索结果-南通市图书馆

Serum monoterpene levels, glucose homeostasis, lipid profiles, and metabolic syndrome in adults: NHANES, 2013–2014

在线全文

学校读者我要写书评

暂无评论

Emerging Contaminants 2024年第2期10卷 33-39页

作者： Wei-Jie Wang yu-ling lin Chikang Wang Chien-yu lin Division of Nephrology Department of Internal MedicineTaoyuan General HospitalMinistry of Health and WelfareTaoyuan330TaiwanChina Department of Biomedical Engineering Chung Yuan Christian UniversityTaoyuan300TaiwanChina Department of Nephrology Hsinchu Cathay General HospitalHsinchu300TaiwanChina Department of Healthcare Management Yuanpei University of Medical TechnologyHsinchu300TaiwanChina Department of Environmental Engineering and Health Yuanpei University of Medical TechnologyHsinchu300TaiwanChina Department of Internal Medicine En Chu Kong HospitalNew Taipei City237TaiwanChina School of Medicine Fu Jen Catholic UniversityNew Taipei City242TaiwanChina

Monoterpenes are organic compounds which have been studied for their medicinal ***,the association between monoterpene exposure and metabolic parameters in humans is *** investigated the connection between three specific monoterpenes(α-pinene,β-pinene,and limonene),glucose homeostasis biomarkers,lipid profiles,and metabolic syndrome(MS)in 1627 adults from the National Health and Nutrition Examination Survey(NHANES)2013–*** found serum levels ofα-pinene andβ-pinene were positively associated with fasting glucose,total cholesterol,triglyceride,and apolipoprotein *** addition,increased levels of limonene andΣmonoterpene(sum of three monoterpene chemicals)were linked to higher insulin,β-cell function,total cholesterol,low density lipoprotein cholesterol(LDL-C),triglycerides,and apolipoprotein *** with all three monoterpenes above the 50th percentile had notably higher values for total cholesterol and triglycerides compared to those with all three monoterpenes below the 50th percentile(P for trendlinked to an increased risk of high-density lipoprotein cholesterol(HDL-C)insufficiency and *** concentrations ofβ-pinene were associated with a higher prevalence of ***,increased levels of limonene andΣmonoterpene were connected to a higher risk of MS,larger waist circumference,low HDL-C,hypertriglyceridemia,and higher blood pressure according to MS *** conclusion,serum monoterpenes levels were linked to glucose regulation,lipid profiles,and indicators of *** studies are necessary to clarify the potential causal relationships.

关键词： Glucose homeostasis Lipid profiles Monoterpenes National health and nutrition examination survey(NHANES)

Fabrication of poly(2,6-pyridinedicarboxylic acid)/MWNTs modified electrode for simultaneous determination of guanine and adenine in DNA

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

Chinese Chemical Letters 2011年第8期22卷 981-984页

作者： Ke Qin Deng Chun Xiang Li yu lin ling Guo Rong Xu Xiao Fang Li Chemistry and Chemical Engineering College Hunan University of Science and Technology Xiangtan 411201 China

The fabrication of poly（2,6-pyridinedicarboxylic acid）/MWNTs modified glass electrode（PPDA/MWNTs/GCE） was proposed and used for individual or simultaneous determination of guanine and *** performances of the PPDA/MWNTs/GCE were characterized with cyclic voltammetry（CV）.The modified electrode exhibited enhanced electrocatalytic behavior and good stability for the detection of guanine and *** pulse voltammetry（DPV） was used to determine the concentration of guanine,*** detection limit（S/N = 3） for guanine and adenine was 0.045μmol/L and 0.05μmol/L,*** electrochemical method for the measurement of guanine and adenine in calf thymus DNA was also developed with this modified electrode and the result was satisfactory.

关键词： Multi-wall carbon nanotubes 2 6-Pyridinedicarboxylic acid Guanine Adenine Calf thymus dsDNA

Effect of Incubation Temperature and Warming Solutions on the Viability and Maturation of Vitrified-thawed Human Immature Oocytes

在线全文

学校读者我要写书评

暂无评论

Journal of Reproduction and Contraception 2011年第2期22卷 65-74页

作者： yu-ling HUANG Xiao-lin LONG Xiao-fang SUN Yong FAN Hong-zi DU Wen-hong ZHANG yu SHI Li LI Han-yan LIU Reproductive Center of the Third Affiliated Hospital of Guangzhou Medical College Guangzhou 510150 China

Objective To investigate the viability and maturation of frozen-thawed human immature oocytes exposed to different temperature of vitrification and warming solutions. Methods The immature oocytes in germinal vesicle （GV） and matephase I （MI ） stages were collected from our ICSI patients and exposed to different temperature of vitrification and warming solutions before frozen in the freezing/thawing procedures. The different temperature groups were as follows： Group A, equilibration solution at 37℃, vitrification solution at room temperature, warming solution at 37℃; Group B, both vitrification and warming solution at room temperature; Group C, both vitrification and warming solutions at 37℃; Group D, the frozen-thawed oocytes and the fresh oocytes were cultured for in vitro maturation. The survival rate and maturation rate were compared among groups. The oocytes were examined using immunofluorescent stainingand confocal microscopy to check the spindle configuration and chromosome arrangement. Results The survival rates and MII rates of GV stage oocytes in groups A, B, C were 100%（15/15）, 81.3%（13/16）, 68.8%（11/16） and 33.3%（2/6）, 83.3%（10/12）,72.7%（8/11）, respectively. The survival rate of group C was significantly lower than that of the control （P〈0.05）. The normal spindle and chromosome configuration were only observed in group B, with the rates of 20% （2/20） and 10% （1/10）, respectively. The survival rates of MI stage in groups A, B, C were 71.4%（10/14）, 100% （12/12） and 83.3%（10/12）, no significantly difference from that of the contro1（100%, 14/14）. The MII rates of MI stage in groups A, B and C were 0%（0/14）, 66.7%（8/12） and 80% （8/10）, respectively. The MⅡ rate in group A was significantly lower than that in other groups （P〈0.01）. Only one oocyte in group C was found with normal spindle and chromosome configurations. Conclusion The appropriate operation temperature of vitrification and warming solutions can improve the outcomes of the vitrified-thawed human im

关键词： vitrification human immature oocytes spindle chromosome temperature

血管紧张素转化酶基因多态性与妊娠糖尿病的关系

在线全文

学校读者我要写书评

暂无评论

中国现代医学杂志 2017年第12期27卷 65-70页

作者：林玉玲河南省南阳市中心医院内分泌科河南南阳473000

目的探讨血管紧张素转化酶基因多态性与妊娠糖尿病(GDM)及妊娠结局的关系。方法采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)技术对136例GDM孕妇(GDM组),118例糖耐量异常孕妇(GIGT组)及106例糖耐量正常孕妇(GNGT组)血管紧张素转化... 详细信息

目的探讨血管紧张素转化酶基因多态性与妊娠糖尿病(GDM)及妊娠结局的关系。方法采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)技术对136例GDM孕妇(GDM组),118例糖耐量异常孕妇(GIGT组)及106例糖耐量正常孕妇(GNGT组)血管紧张素转化酶插入(I)/缺失(D)多态性位点进行分析,随访分析血管紧张素转化酶(ACE)(I/D)基因单核苷酸多态性与相应妊娠结局的关系。结果 GDM组DD型频率及D等位基因频率高于GNGT组,而I I型低于GNGT组(P<0.05)。GDM组中ID、DD基因型FPG、Fins、ACE及HOMA-IR均高于I I型(P<0.05)。GDM组ID、DD型妊娠结局中胎膜早破、早产儿、新生儿呼吸窘迫综合征、新生儿低血糖及新生儿高胆红素血症例数均高于I I型(P<0.05)。DD基因型,D等位基因频率为GDM的危险因素。DD基因型为妊娠不良结局的危险因素。结论 ACE(I/D)基因单核苷酸DD型是GDM和妊娠不良结局的独立危险因素。

关键词：妊娠糖尿病妊娠结局血管紧张素转化酶基因多态性

Nanostructured ZnO/BiVO_(4)I-scheme heterojunctions for piezocatalytic degradation of organic dyes via harvesting ultrasonic vibration energy

在线全文

学校读者我要写书评

暂无评论

International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 488-497页

作者： Yiling Li Xiaoyao yu Yingjie Zhou Yao lin Ying Wu Key Laboratory of the Ministry of Education for Advanced Catalysis Materials College of Chemistry and Materials ScienceZhejiang Normal UniversityJinhua 321004China

BiVO_(4)porous spheres modified by ZnO were designed and synthesized using a facile two-step *** resulting ZnO/BiVO_(4)composite catalysts have shown remarkable efficiency as piezoelectric catalysts for degrading Rhodamine B(RhB)unde mechanical vibrations,they exhibit superior activity compared to pure *** 40wt%ZnO/BiVO_(4)heterojunction composite displayed the highest activity,along with good stability and *** enhanced piezoelectric catalytic activity can be attributed to the form ation of an I-scheme heterojunction structure,which can effectively inhibit the electron-hole ***,hole(h+)and superoxide radical(·O_(2)^(-))are proved to be the primary active ***,ZnO/BiVO_(4)stands as an efficient and stable piezoelectric catalyst with broad potential application in the field of environmental water pollution treatment.

关键词： piezoelectric catalytic heterojunction dye degradation ultrasonic vibration

合肥市空气NO2浓度对儿童结膜炎就诊的影响

在线全文

学校读者我要写书评

暂无评论

现代预防医学 2023年第17期50卷 3118-3122+3132页

作者：朱昱余林玲肖长春合肥市疾病预防控制中心

目的探讨合肥市空气二氧化氮(nitrogen dioxide,NO2)暴露对儿童结膜炎发病就诊的影响。方法收集合肥市2016年11月1日—2019年10月31日某儿童医院儿童结膜炎就诊资料，同时收集同期逐日空气污染物监测资料及气象资料。利用分布滞后非... 详细信息

目的探讨合肥市空气二氧化氮(nitrogen dioxide,NO2)暴露对儿童结膜炎发病就诊的影响。方法收集合肥市2016年11月1日—2019年10月31日某儿童医院儿童结膜炎就诊资料，同时收集同期逐日空气污染物监测资料及气象资料。利用分布滞后非线性模型(distributed lag non-linear model, DLNM)，评估NO2浓度对儿童结膜炎就诊量的暴露-滞后-反应关系，模型中调整混杂因素、时间趋势、星期几和节假日等变量。结果研究期间共收集儿童结膜炎就诊26 796人次，NO2浓度与儿童结膜炎就诊呈正相关。NO2浓度每上升10μg/m3，结膜炎就诊单日滞后效应在当日(lag0)达到最大，RR为1.055(95%CI:1.038～1.071)，累积滞后效应在滞后0～2 d(lag02)达到最大，RR为1.095(95%CI:1.071～1.119)。在男孩、女孩、<6岁和6～14岁结膜炎就诊儿童中，NO2浓度每上升10μg/m3产生的单日滞后效应和累积滞后效应均有统计学意义，单日滞后效应RR(95%CI)分别为1.049(1.028～1.070)、1.066(1.038～1.094)、1.049(1.030～1.067)和1.080(1.041～1.120)，累积滞后效应RR(95%CI)分别为1.081(1.052～1.111)、1.123(1.080～1.167)、1.098(1.070～1.126)和1.108(1.055～1.163)。结论合肥市空气NO2浓度升高可能会增加儿童结膜炎就诊风险，且具有滞后效应。

关键词： NO2 结膜炎分布滞后非线性模型

2017—2021年合肥市生活饮用水健康风险评估

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

现代预防医学 2023年第17期50卷 3246-3251页

作者：余林玲肖长春合肥市疾病预防控制中心

目的评估2017—2021年合肥市生活饮用水中17种常规监测指标的经口途径健康风险，为合肥市饮用水管理提供理论依据。方法合肥市共纳入市区监测点95个，农村监测点252个，分别在丰水期和枯水期进行饮用水质量监测，采用美国国家环境保护... 详细信息

目的评估2017—2021年合肥市生活饮用水中17种常规监测指标的经口途径健康风险，为合肥市饮用水管理提供理论依据。方法合肥市共纳入市区监测点95个，农村监测点252个，分别在丰水期和枯水期进行饮用水质量监测，采用美国国家环境保护署(US EPA)经典“四步法”对饮用水常规17项指标进行健康风险评估，并对性别、水样、水期和地区进行分层分析。结果 2017—2021年合肥市饮用水17项指标中有6项指标存在一定致癌风险，CR值介于1×10-6～1×10-4之间，其中致癌风险最高为镉(2.59×10-4)。17项指标非致癌风险均不高(HQ<1)，其中非致癌风险最大为氟化物(HQ=0.93)。分层分析显示，6种指标的致癌风险在男性和女性之间均有统计学差异(P<0.001)；丰水期饮用水中铅、镉、铬和四氯化碳致癌风险均高于枯水期(Z铅=-3.616,P<0.001;Z镉=-2.397,P=0.017;Z铬=-4.733,P<0.001;Z四氯化碳=-2.833,P=0.004)，而三氯甲烷则相反(Z三氯甲烷=-5.867,P<0.001)；砷、镉、铅致癌风险出厂水中显著高于末梢水(Z砷=-3.263,P=0.001;Z镉=-3.410,P=0.001;Z铅=-6.076,P<0.001)，而出厂水中铬和三氯甲烷的致癌风险则明显低于末梢水(Z铬=-4.515,P<0.001;Z三氯甲烷=-7.521,P<0.001)；农村地区饮用水中砷、镉和铅致癌风险显著高于城市地区(Z砷=-3.732,P<0.001;Z镉=-2.025,P=0.043;Z铅=-2.718,P=0.007)。结论 2017—2021年合肥市生活饮用水中存在一定致癌风险，其中镉和砷为主要风险物质。

关键词：生活饮用水健康风险评估致癌风险

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

甲基磺酸体系电镀铅锡合金工艺的研究

材料保护 2006年第3期39卷 29-31页

作者：李国斌令玉林湖南科技大学化学化工学院湖南湘潭411201

为了减少环境污染,降低生产成本并提高镀层质量,采用甲基磺酸体系电镀铅锡合金。介绍了对甲基磺酸盐体系电镀锡铅合金的工艺研究,对体系镀液成分与镀层成分变化的关系、共沉积特征及甲基磺酸体系电镀锡铅合金工艺中各因素对镀层质量的... 详细信息

为了减少环境污染,降低生产成本并提高镀层质量,采用甲基磺酸体系电镀铅锡合金。介绍了对甲基磺酸盐体系电镀锡铅合金的工艺研究,对体系镀液成分与镀层成分变化的关系、共沉积特征及甲基磺酸体系电镀锡铅合金工艺中各因素对镀层质量的影响进行了研究,测定了镀液的分散能力、覆盖能力及镀层的结合力。结果表明,镀液中加入氯苯甲醛,可增加电流过程阴极极化并改善镀层性能。甲基磺酸体系镀液成分简单、性能稳定、无毒无害,具有广泛的应用前景。

关键词：电镀氯苯甲醛锡铅合金甲基磺酸

Boosting bidirectional sulfur conversion enabled by introducing boron-doped atoms and phosphorus vacancies in Ni2P for lithium-sulfur batteries

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2025年第1期100卷 760-769页

作者： lin Peng yu Bai Hang Li Meixiu Qu Zhenhua Wang Kening Sun Advanced Research Institute of Multidisciplinary Science Beijing Institute of Technology Beijing Key Laboratory of Chemical Power Source and Green Catalysis School of Chemistry and Chemical Engineering Beijing Institute of Technology

Lithium-sulfur （Li-S） batteries have gained great attention due to the high theoretical energy density and low cost,yet their further commercialization has been obstructed by the notorious shuttle effect and sluggish redox ***,we supply a strategy to optimize the electron structure of Ni2P by concurrently introducing B-doped atoms and P vacancies in Ni2P （Vp-B-Ni2P）,thereby enhancing the bidirectional sulfur *** study indicates that the simultaneous introduction of B-doped atoms and P vacancies in Ni2P causes the redistribution of electron around Ni atoms,bringing about the upward shift of d-band center of Ni atoms and effective d-p orbital hybridization between Ni atoms and sulfur species,thus strengthening the chemical anchoring for lithium polysulfides （LiPSs） as well as expediting the bidirectional conversion kinetics of sulfur ***,theoretical calculations reveal that the incorporation of B-doped atoms and P vacancies in Ni2P selectively promotes Li2S dissolution and nucleation ***,the Li-S batteries with Vp-B-Ni2P-separators present outstanding rate ability of 777 m A h g-1at 5 C and high areal capacity of 8.03 mA h cm-2under E/S of 5μL mg-1and sulfur loading of 7.20 mg *** work elucidates that introducing heteroatom and vacancy in metal phosphide collaboratively regulates the electron structure to accelerate bidirectional sulfur conversion.

关键词： Lithium sulfur batteries