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Investigation of Light-harvest Material:Synthesis and Characterization of Nanometer Porphyrin Trimer

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Chemical Research in Chinese Universities 2004年第3期20卷 262-265页

作者： SHIYing-yan WANGXing-qiao lixiang-qing ZHENGWen-qi DINGHong ZHUGuang-shan LIUGuo-fa CollegeofChemistry JilinUniversityChangchun130023P.R.China SchoolofChemistry＆Pharmaceutics EastChinaUniversityofScienceandTechnologyShanghai200237P.R.China

ω -Bromopropylporphyrin ether synthesized from the raction of 1,3-dibromopropane as the bridge-linked reagent and 5-(4-hydroxyphenyl)-10,15,20-triphenylporphyrin (H_2MHTPP) as the matrix reacts with 5,15-di(4- hydroxyphenyl)-10,20-diphenyl porphyrin( trans -H_2DHDPP) to give the title nanometer porphyrin trimer. The characterization was carried out by means of elemental analyses,UV-Vis,IR, 1H NMR and XRD.

关键词： Nanometer porphyrin trimer ω -Bromopropylporphyrin ether Bridge-linking reagent

Characterization of the Main Effects, Epistatic Effects and Their Environmental Interactions of QTL on the Genetic Basis of Plant Height and Heading Date in Rice

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Agricultural Sciences in China 2005年第3期4卷 161-168页

作者： JIANGGong-hao XUCai-guo lixiang-hua HEYu-qing NationalKeyLaborataryofCropGeneticImprovement HuazhongAgriculturalUniversityWuhan430070P.R.China

Main-effect QTL, epistatic effects and their interactions with environment are important genetic components of quantitativetraits. In this study, we analyzed the QTL, epistatic effects and QTL by environment interactions (QE) underlying plantheight and heading date, using a doubled-haploid ( DH) population consisting of 190 lines from the cross between anindica parent Zhenshan 97 and a japonica parent Wuyujing 2, and tested in two-year replicated field trials. A geneticlinkage map with 179 SSR (simple sequence repeat) marker loci was constructed. A mixed linear model approach wasapplied to detect QTL, digenic interactions and QEs for the two traits. In total, 20 main-effect QTLs, 9 digenic interactionsinvolving 18 loci, and 5 QTL by environment interactions were found to be responsible for the two traits. No interactionswere detected between the digenic interaction and environment. The amounts of variations explained by QTLs of maineffect were 53.9% for plant height and 57.8% for heading date, larger than that explained by epistasis and QEs. However,the epistasis and QE interactions sometimes accounted for a significant part of phenotypic variation and should not bedisregarded.

关键词： Plant height Heading date Quantitative trait loci Epistasis Genotype by environment interaction Rice

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可迹图的一些新充分条件

运筹学学报（中英文） 2024年第1期28卷 131-140页

作者：余桂东刘珍珍王礼想李青安庆师范大学数理学院安徽安庆246133 合肥幼儿师范高等专科学校公共教学部安徽合肥230013

设图G是一个简单连通图,e(G)、μ(G)和q(G)分别为图G的边数、谱半径和无符号拉普拉斯谱半径。如果一个图含有一条包含所有顶点的路,则这条路为哈密尔顿路,称这个图为可迹图。本文主要研究利用e(G)、μ(G)和q(G)分别给出图G是可迹图的一... 详细信息

设图G是一个简单连通图,e(G)、μ(G)和q(G)分别为图G的边数、谱半径和无符号拉普拉斯谱半径。如果一个图含有一条包含所有顶点的路,则这条路为哈密尔顿路,称这个图为可迹图。本文主要研究利用e(G)、μ(G)和q(G)分别给出图G是可迹图的一些新充分条件,所得结果推广了已有的结论。

关键词：图可迹图边数谱半径无符号拉普拉斯谱半径

Distribution of pathogenic bacteria and antimicrobial sensitivity of eye infections in Suzhou

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 700-706页

作者： Li Zhang Hai-Zhang You Guo-Hui Wang Wei Xu Jian-Shan Li qing-Liang Zhao Shu Du Department of Hospital-Acquired Infection Control Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina Department of Administrative Office Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina Department of Clinical Laboratory Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina Department of Pharmacy Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina Department of Corneal and Lacrimal Passage Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina Department of Fundus Diseases and Ocular Trauma Lixiang Eye Hospital of Soochow UniversitySuzhou 215021Jiangsu ProvinceChina

AIM:To investigate the types of bacteria in patients with eye infections in Suzhou and their drug resistance to commonly used antibacterial ***:The clinical data of 155 patients were retrospectively collected in this study,and the pathogenic bacteria species and drug resistance of each pathogenic bacteria were ***:Among the 155 patients(age from 12 to 87 years old,with an average age of 57,99 males and 56 females)with eye infections(160 eyes:74 in the left eye,76 in the right eye and 5 in both eyes,all of which were exogenous),71(45.81%)strains were gram-positive bacteria,23(14.84%)strains were gram-negative bacteria and 61(39.35%)strains were ***-positive bacteria were highly resistant to penicillin and erythromycin(78.87%and 46.48%respectively),but least resistant to vancomycin at ***-negative bacteria were highly resistant to cefoxitin and compound sulfamethoxazole(100%and 95.65%respectively),but least resistant to meropenem at *** of the resistance of gram-positive and gram-negative bacteria to some drugs revealed statistically significant differences(P<0.05)in the resistance of both to cefoxitin,cotrimoxazole,levofloxacin,cefuroxime,ceftriaxone and ceftazidime,and both had higher rates of resistance to gram-negative bacteria than to gram-positive *** distribution of bacterial infection strains showed that Staphylococcus epidermidis was the most common strain in the conjunctiva,cornea,aqueous humor or vitreous body and other eye ***,Fusarium and Pseudomonas aeruginosa were also among the most common strains of conjunctival and corneal ***:Gram-positive bacteria are the dominant bacteria in eye infections,followed by gram-negative bacteria and *** the resistance of gramnegative bacteria to multiple drugs,monitoring of bacteria should be strengthened in eye bacterial infections for effective prevention and control to reduce complications caused by eye infections.

关键词： eye infection pathogenic bacteria drug resistance antimicrobial sensitivity test

Oxygen vacancies with localized electrons direct a functionalized separator toward dendrite-free and high loading LiFePO_(4)for lithium metal batteries

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Journal of Energy Chemistry 2022年第12期75卷 38-45,I0002页

作者： Qi An qing Liu Shimin Wang lixiang Liu Han Wang Yongjiang Sun Lingyan Duan Genfu Zhao Hong Guo School of Materials and Energy Yunnan UniversityNo.2Green Lake North RoadKunming 650091YunnanChina Institute for Integrative Nanosciences Leibniz IFW DresdenHelmholtzstraße 2001069 DresdenGermany

The pursuit of high energy density has promoted the development of high-performance lithium metal batteries(LMBs).However,the underestimated but non-negligible dendrites of Li anode have been observed to shorten battery ***,a composite separator(TiO_(2-x)@PP),in which TiO_(2)with electron-localized oxygen vacancies(TiO_(2-x))is coated on a commercial PP separator,is fabricated to homogenize lithium ion transport and stabilize the lithium anode *** the utilization of TiO_(2-x)@PP separators,the symmetric lithium metal battery displays enhanced cycle stability over 800 h under a high current density of 8 m A cm^(-2).Moreover,the LMBs assembled with high-loading LiFePO_(4)(9.24 mg cm^(-2))deliver a stable cycling performance over 900 cycles at a rate of 0.5 *** theoretical studies based on density functional theory(DFT)further unveil the *** favorable TiO_(2-x)is beneficial for facilitating fast Li+migration and impeding anions *** addressing the Li dendrite issues,the use of TiO_(2-x)@PP separator potentially provides a facile and attractive strategy for designing well-performing LMBs,which are expected to meet the application requirements of rechargeable batteries.

关键词： Oxygen vacancy Ionic transport regulation Dendrite-free Localized electrons High loading

中国区域T_(m)与纬度、海拔的线性分析及模型研究

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北京测绘 2024年第6期38卷 857-861页

作者：刘键王庆聂檄晨朱理想李佳佳南京市测绘勘察研究院股份有限公司江苏南京210019 中国电子科技集团公司第二十八研究所江苏南京210014

针对传统的贝维斯(Bevis)模型在中国区域存在系统误差及精度不高的问题,本文提出添加站点纬度和海拔参数的T_(m)多因子回归模型。根据中国区域70个探空测站点的观测数据,首先研究了T_(m)与纬度φ、海拔h的相关系数时间变化规律,同时分... 详细信息

针对传统的贝维斯(Bevis)模型在中国区域存在系统误差及精度不高的问题,本文提出添加站点纬度和海拔参数的T_(m)多因子回归模型。根据中国区域70个探空测站点的观测数据,首先研究了T_(m)与纬度φ、海拔h的相关系数时间变化规律,同时分别研究了T_(m)与纬度φ、海拔h的线性拟合系数k、b的时间变化规律;然后在T_(m)-Ts单因子回归模型基础上,添加纬度与海拔参数,并用年积日(DOY)表达其拟合系数,得到中国区域的T_(m)多因子回归模型;最后利用2018年的探空数据进行了验证。结果表明该模型极大地缩小了系统误差,精度提高了19.8%,在中国区域具有较高的实用性。

关键词：加权平均温度(T_(m)) 线性分析大气水汽含量(PWV) 温度模型多因子回归模型

经皮穿针固定与经皮微创锁定钢板固定治疗肱骨近端骨折临床疗效对比

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当代临床医刊 2016年第6期29卷 2599-2601页

作者：刘海鹏李相卿刘振刚昌邑市人民医院骨科山东省261300

目的比较经皮穿针固定和经皮微创锁定钢板固定治疗肱骨近端骨折的疗效。方法选取2012.6至2015.1期间收治的肱骨近端骨折患者32例作为研究对象,随机分成观察组和对照组,每组16例。观察组采用经皮穿针固定治疗,对照组采用经皮微创锁定钢... 详细信息

目的比较经皮穿针固定和经皮微创锁定钢板固定治疗肱骨近端骨折的疗效。方法选取2012.6至2015.1期间收治的肱骨近端骨折患者32例作为研究对象,随机分成观察组和对照组,每组16例。观察组采用经皮穿针固定治疗,对照组采用经皮微创锁定钢板固定治疗。比较两种固定方法在手术时间、术中及术后出血量、住院时间、骨折愈合时间、术后功能及并发症等方面的临床疗效指标。结果观察组5例发生并发症,对照组4例发生并发症,两组对比差异无统计学意义(P>0.05)。术后Neer评分:观察组优10例,良4例,可1例,差1例,优良率为87.5%;对照组优11例,良4例,可1例,优良率为93.75%。两组对比差异无统计学意义(P>0.05)。2组患者在骨折愈合时间方面差异无统计学意义(P>0.05)。观察组在手术时间、术中及术后出血量、住院时间方面较对照组较低,差异具有统计学意义(P<0.05)。结论经皮穿针固定和经皮微创锁定钢板固定治疗特定类型的肱骨近端骨折(NeerⅡ型骨折;一部分NeerⅢ型骨折和外展嵌插的NeerⅣ型骨折)结合及时充分的术后康复,均可得到良好的治疗效果。

关键词：肱骨近端骨折克氏针锁定钢板微创内固定临床效果

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自然景区游客超载的扰动生态效应

生态经济(学术版) 2011年第1期 203-206页

作者：丁立香周青张光生江南大学环境与土木工程学院

随着中国经济的持续发展,旅游产业已经成为中国经济的新增长点。在旅游业快速发展的同时,游客超载对自然景区环境的负面影响逐渐显现,并可能演变为旅游产业健康与可持续发展的障碍。文章结合国内外研究成果,从游客超载对自然景区土壤、... 详细信息

随着中国经济的持续发展,旅游产业已经成为中国经济的新增长点。在旅游业快速发展的同时,游客超载对自然景区环境的负面影响逐渐显现,并可能演变为旅游产业健康与可持续发展的障碍。文章结合国内外研究成果,从游客超载对自然景区土壤、水资源、植被与野生动物影响入手,考察了游客超载对自然景区的扰动生态效应,初步分析了扰动生态效应形成的原因,并对游客超载的扰动生态研究提出建议。

关键词：自然景区游客超载扰动生态效应

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微残清颗粒逆转白血病干细胞耐药的机制研究

山西大学学报(自然科学版) 2024年第1期47卷 238-247页

作者：闫理想姜静冯全管杨向东何敬杨曦李德冠史哲新天津中医药大学第一附属医院国家中医针灸临床医学研究中心天津市中医药研究院附属医院山西省中西医结合医院中国医学科学院放射医学研究所

本文探讨了微残清颗粒在逆转白血病干细胞对柔红霉素（DNR）耐药中的作用机制。采用微残清颗粒兔含药血清干预CD34+CD38-KG1a白血病干细胞的方法，将免疫磁珠分选后的CD34+CD38-KG1a细胞分为对照组、DNR组、微残清颗粒组、微残清颗粒+DN... 详细信息

本文探讨了微残清颗粒在逆转白血病干细胞对柔红霉素（DNR）耐药中的作用机制。采用微残清颗粒兔含药血清干预CD34+CD38-KG1a白血病干细胞的方法，将免疫磁珠分选后的CD34+CD38-KG1a细胞分为对照组、DNR组、微残清颗粒组、微残清颗粒+DNR组，并应用siRNA法沉默磷酸酯酶与张力蛋白同源物（PTEN）表达，检测各组细胞增殖率、细胞周期/凋亡比例、胞内磷脂酰肌醇激酶（PI3K）/磷酸化蛋白激酶B(p-AKT)/磷酸化雷帕霉素靶蛋白（p-mTOR） mRNA及蛋白量。结果显示，微残清颗粒含药血清联合DNR可明显提高CD34+CD38-KG1a细胞的增殖抑制率、G2/M期比例、总凋亡和早期凋亡率。同时，微残清颗粒含药血清协同DNR提高PTEN mRNA及蛋白表达，降低PI3K、p-AKT、p-m TOR mRNA及蛋白表达。以上结果提示微残清颗粒具有逆转LSCs对DNR耐药的作用，作用机制可能与PTEN负调控PI3K/AKT/mTOR通路相关。

关键词：微残清颗粒白血病干细胞耐药 PTEN PI3K/AKT/mTOR通路