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Singlet Oxygen generation and Photoinduced Charge Separation of Tetra Polyethyleneglycol Functionalized Zinc Phthalocyanine-Fullerene Dyad

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Chinese Journal of Chemistry 2016年第10期34卷 969-974页

作者： Habtom B. gobeze ta Tram Chandra B. kC robert r. Cantu Paul A. karr Francis D'Souza Department of Chemistry University of North Texas 1155 Union Circle #305070 Denton TX 76203-5017 USA Department of Physical Sciences and mathematics Wayne State College 111 Main Street Wayne Nebraska 68787 USA Advanced materials and manufacturing Processes Institute (A mmPI) UNT-Discovery Park 3940 N. Elm St. #E132 Denton TX 76207-7102 USA

Utilization of polyethyleneglycol （PEg） functionalized zinc phthalocyanine, （PEg）4ZnPc in （i） singlet oxygen generation, and （ii） in building energy harvesting donor-acceptor systems using fullerene, C60 as an acceptor via the well-known metal-ligand axial coordination approach is reported. The （PEg）4ZnPe was found to be capable of producing singlet oxygen with a quantum yield, ooa of 0.77 in toluene, a value higher than that obtained for pristine （t-bu）4ZnPc （φ△=0.54） carrying no PEg groups, revealing its usefulness in photodynamic therapy applications. Spectroscopic studies revealed efficient binding of phenylimidazole functionalized fullerene, C60 Im with l ： 1 stoichiometry to （PEg）4ZnPc. Binding constant k for the formation of （PEg）4ZnPc：ImC60 dyad was found to be 6 × 103 m 1 revealing moderate stability. geometric and electronic studies of the dyad was arrived by B3LYP/3-21g（＊） method. The HOmO level was found to be on zinc phthalocyanine entity while the LUmO level was found to be on the C60 entity suggesting formation of （PEg）4ZnPc＊＋：ImC60＊ charge separated state during the process of electron transfer reaction. redox studies on the （PEg）4ZnPc：ImC60 dyad enabled accurate determination of the oxidation and reduction potentials of the donor-acceptor system, and to evaluate free-energy changes associated for the charge separation process. kinetics of photoinduced charge separation and recombination in the （PEg）4ZnPc：ImC60 dyad was investigated using femtosecond transient absorption studies. relatively long-lived charge separated states were confirmed for the dyad suggesting their potential usefulness in energy harvesting applications.

关键词： singlet oxygen photoinduced charge separation zinc phthalocyanine fullerene self-assembly

Cutaneous lesions and disorders in healthy neonates and their relationships with maternal-neonatal factors: a cross-sectional study

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World Journal of Pediatrics 2017年第6期13卷 571-576页

作者： rita(A)brahám Angéla meszes Zita gyurkovits Judit Bakki Hajnalka Orvos Zsanett renáta Csoma Department of Dermatology and Allergology University of SzegedSzegedHungary Department of Obstetrics and gynecology University of SzegedSzegedHungary

Background:Cutaneous lesions are very common in *** a number of studies have reported on their incidence,very little is known about the factors that influence *** set out to investigate a large population of neonates with the aims of achieving an overall picture of neonatal skin manifestations,and examining their relationships with various maternal,neonatal and perinatal ***:This study was conducted on neonates born at the Department of Obstetrics and gynaecology at the University of Szeged between June 2013 and July 2015.A total of 4658 consecutive infants underwent a whole-body skin examination within the first 72 hours of extrauterine *** official neonatal medical charts were used to collect data on the history of the participating neonates and on maternal ***:74.35% of the neonates exhibited at least one skin *** major diagnosis groups were transient,benign cutaneous lesions;vascular lesions;traumatic,iatrogenic,congenital or acquired disorders with skin injuries;pigmented lesions;and developmental abnormalities or benign skin *** relationships between the skin findings and six neonatal or maternal factors were examined:gender,gestational age and birth weight of the neonates;maternal age and the number of previous pregnancies of the mothers,and mode and circumstances of the ***:We found several significant correlations between the examined maternal/neonatal factors and the occurrence of birthmarks and neonatal skin *** course,further studies are required to confirm and better understand these associations.

关键词： cutaneous lesions dermatology epidemiology neonates

machine learning based LOS/NLOS classifier and robust estimator for gNSS shadow matching

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Satellite Navigation 2020年第1期1卷 167-178页

作者： Haosheng Xu Antonio Angrisano Salvatore gaglione Li-ta Hsu The Hong kong Polytechnic University KowloonHong KongPeople’s Republic of China The University of Benevento g.Fortunato BeneventoItaly.3 The University of Naples ParthenopeNaplesItaly. The University of Naples Parthenope NaplesItaly

global Navigation Satellites Systems(gNSS)is frequently used for positioning services in various applications,e.g.,pedestrian and vehicular ***,it is well-known that gNSS positioning performs unreliably in urban *** shadow matching is a method of improving accuracy in the cross-street *** position and classification of observed satellite visibility between line-of-sight(LOS)and non-line-of-sight(NLOS)are essential for its *** the conventional LOS/NLOS classification,the classifiers are based on a single feature,extracted from raw gNSS measurements,such as signal noise ratio,pseudorange,elevation angle,*** in urban canyons,these measurements are unstable and unreliable due to the signal reflection and refraction from the surrounding ***,the conventional least square approach for positioning is insufficient to provide accurate initialization for shadow matching in urban *** our study,shadow matching is improved using the initial position from robust estimator and the satellite visibility determined by support vector machine(SVm).The robust estimator has an improved positioning accuracy and the classification rate of SVm classification can reach 91.5%in urban *** important issue is related to satellites with ultra-high or low elevation angles and satellites near the building boundary that are very likely to be *** solving this problem,the SVm classification shows the potential of about 90%classification accuracy for various urban *** the help of these approaches,the shadow matching has a mean error of 10.27 m with 1.44 m in the cross-street direction;these performances are suitable for urban positioning.

关键词： gNSS Shadow matching NLOS and machine learning robust estimation

Embedded Atom method-Based geometry Optimization Aspects of Body-Centered Cubic metals

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Chinese Physics Letters 2013年第5期30卷 112-115页

作者： m.güler E.güler Department of Physics Hitit University19030 CorumTurkey

We present embedded atom method-based geometry optimization calculations for Fe, Cr, mo, Nb, ta, V and W body-centered cubic metals with Finnis–Sinclair potentials. After the optimization, we determine their typical elastic constants, bulk modulus, shear modulus, Young's modulus, Poisson's ratios, elastic wave velocities and cohesive energies. Additionally, we perform a benchmark between the experiments and the available density functional theory results. In general, our results show a good consistency with previous findings on the elastic and cohesive energy properties of the considered metals.

关键词： modulus optimization cubic

No association of the cytotoxic T-lymphocyte associated gene CTLA4 +49A/g polymorphisms with Crohn's disease and ulcerative colitis in Hungarian population samples

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World Journal of gastroenterology 2007年第15期13卷 2205-2208页

作者： Lili magyari Bernadett Faragó Judit Bene katalin Horvatovich Lilla Lakner márta Varga mária Figler Beáta gasztonyi gyula mózsik Béla melegh Department of medical genetics and Child Development University of Pécs PécsHungary mta PTE Clinical genetics research group of the Hungarian Academy of Sciences at the University of Pécs Pécs Hungary markusovszky Hospital Department of medicine and gastroenterology SzombathelyHungary réthy Pál Hospital 3rd Department of medicine and gastroenterology BékéscsabaHungary Department of medicine School of medicine University of PécsPécsHungary Department of gastroenterology Zala County Hospital ZalaegerszegHungary

AIm： The goal of the current work was to analyse the prevalence of the ＋49A/g variant of the cytotoxic T-lymphocyte antigen 4 gene （CTLA4） in Hungarian patients with Crohn＇s disease （CD） and ulcerative colitis （UC）. mETHODS： A total of 130 unrelated subjects with CD and 150 with UC, and 170 matched controls were genotyped for the single nucleotide polymorphism （SNP）. The genotypes were determined by using PCr/rFLP test. rESULTS： The g allele frequency and the prevalence of the gg genotype were 38.1% and 12.3% in the CD group, 40.6% and 18.6% in the UC patients, and 37.4% and 15.9% in the control group, respectively. CONCLUSION： The results of the current study show that carriage of the ＋49g SNP in heterozygous or in homozygous form does not confer risk either for CD or for UC in the Hungarian population.

关键词： Cytotoxic T-lymphocyte antigen 4 Crohn's disease Ulcerative colitis Inflammatory bowel disease

祁连山排露沟流域青海云杉天然更新空间关联性研究

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干旱区资源与环境 2024年第1期38卷 161-170页

作者：刘济萌刘贤德马瑞赵维俊敬文茂拓锋王艳霞甘肃农业大学林学院兰州730070 甘肃省祁连山水源涵养林研究院(甘肃祁连山森林生态系统国家定位观测研究站) 张掖734000 兰州大学草地农业科技学院兰州730000

青海云杉作为祁连山森林生态的建群种,其天然更新的空间关联性及集聚模式对种群更新具有重要意义。于2022年8月对祁连山排露沟流域海拔2800-3300m样地内的青海云杉林进行每木检尺,研究将胸径小于50mm的青海云杉植株划为更新苗,并选取更... 详细信息

青海云杉作为祁连山森林生态的建群种,其天然更新的空间关联性及集聚模式对种群更新具有重要意义。于2022年8月对祁连山排露沟流域海拔2800-3300m样地内的青海云杉林进行每木检尺,研究将胸径小于50mm的青海云杉植株划为更新苗,并选取更新苗胸径、株高两个生物指标,通过空间自相关分析探究其胸径、株高的空间关联性及集聚模式。结果表明:1)不同海拔更新苗胸径、株高均表现为空间正自相关,胸径空间关联性呈现为2800m>3100m>3000m>2900m>3300m,株高空间关联性呈现为2800m>2900m>3100m>3000m>3300m,仅3200m样地胸径和株高均表现为不显著的空间负自相关,表明更新苗胸径和株高的空间关联性随着海拔的升高而逐渐降低。2)不同样地更新苗胸径和株高个体间空间正自相关的数量远多于空间负自相关,表明青海云杉更新个体的生长有益于邻近径级个体的生长。3)更新苗胸径和株高整体呈现为低低集聚比高高集聚更为集中,且相互间分界明显,表明邻近径级的植株间关系较为协调,径级差异较大的植株间排斥效应较为明显。4)更新苗胸径和株高均表现出高高集聚和低低集聚交替分布的现象,且随着海拔的升高,高高集聚现象逐渐消失。

关键词：青海云杉天然更新空间自相关空间集聚

Characterization of Newly Developed Wheat/Barley Introgression Lines in respect of Aluminium Tolerance

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American Journal of Plant Sciences 2012年第10期3卷 1462-1469页

作者： Eva Darko Beáta Barnabás márta molnár-Láng Cell Biology Department of Agricultural Institute Centre for Agricultural Research Hungarian Academy of Sciences Martonvásár Hungary Department of Plant genetic resources and Organic Breeding of Agricultural Institute Centre for Agricultural Research Hungarian Academy of Sciences Martonvásár Hungary

The Al tolerance of newly developed wheat/barley disomic addition, substitution and translocation lines carry chromosomes of three different barley cultivars was evaluated by comparing the root growth in solution containing 75 μm AlCl3 at pH 4.0 to that of known Al-tolerant and sensitive wheat genotypes. The wheat Asakaze komugi, barley manas cultivars and their hybrid derivatives were found to have high levels of Al tolerance. The wheat line mv9kr1, barley cultivar Igri and progenies of the hybrids were sensitive to Al. In most cases, the Al tolerance of the wheat/barley introgression lines derived from Al-sensitive wheat mv9kr1 and barley Betzes with moderate Al tolerance was similar to that of the wheat parents, but the 2DS.2DL-1HS translocation line of mv9kr1/Betzes exhibited more intensive root growth, while accumulating less Al than the parental lines. This indicates that either the lack of the distal part of chromosome 2DL or the presence of the distal part of 1HS improved the Al tolerance level.

关键词： Aluminium Tolerance Barley Introgression Line Wheat

Lesions requiring wound management in a central tertiary neonatal intensive care unit

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World Journal of Pediatrics 2017年第2期13卷 165-172页

作者： Angéla meszes gyula Tálosi krisztina máder Hajnalka Orvos Lajos kemény Zsanett renáta Csoma Department of Dermatology and Allergology University of SzegedSzegedHungary Department of Pediatrics University of SzegedSzegedHungary Department of Obstetrics and gynecology University of SzegedSzegedHungary Department of Dermatology and Allergology University of SzegedSzegedHungary mta-SZTE Dermatological research group SzegedHungary

Background:most of the skin disorders that occur in neonatal intensive care units are due in part to the immaturity and vulnerability of the neonatal *** iatrogenic diagnostic and therapeutic procedures are also conducive to iatrogenic *** study was to review the neonates admitted to our neonatal intensive care unit who needed wound management,and to assess the most common skin injuries and wounds,and their ***:Data were extracted from medical records of neonates who needed wound management in our Neonatal Intensive Care Unit between January 31,2012 and January 31,*** about gestational age,sex,birth weight,area of involvement,wound aetiology,and therapy were ***:Among the 211 neonates observed,wound management was required in 10 cases of diaper dermatitis,7 epidermal stripping,6 extravasation injuries,5 pressure ulcers,1 surgical wound and infection,1 thermal burn,and 5 other ***:International guidelines in neonatal wound care practice are not available,and further research concerns are clearly *** and antiseptic agents should be chosen with great care for application to neonates,with particular attention to the prevention of adverse events in this sensitive *** work among dermatologists,neonatologists and nurses is crucial for the successful treatment of neonates.

关键词： epidermal stripping extravasation injury neonatal intensive care unit surgical wound wound care in neonates

A Petrographic and mineralogical Study of Volcanic rocks from the mayaxueshan Area, North Qilian Fold Belt, NW China

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Acta geologica Sinica(English Edition) 2002年第1期76卷 15-30页

作者： HSU ta-Wei(徐达伟) SHAU Yen-Hong(萧炎宏) Department of marine resources National Sun Yat-Sen University Kaohsiung 80424 China Department of Marine Resources National Sun Yat-Sen University Kaohsiung 80424 China

The Ordovician volcanic rocks in the mayaxueshan area have been pervasivelyaltered or metamorphosed and contain abundant secondary minerals such as albite, chlorite, epidote,prehnite, pumpellyite, actinolite, titanite, quartz, and/or calcite. They were denoted as spilitesor spilitic rocks in terms of their petrographic features and mineral assemblages. The metamorphicgrades of the volcanic rocks are equivalent to that of the intercalated metaclastic rocks. Thisindicates that both the spilitic volcanic rocks and metaclastic rocks in the mayaxueshan area haveformed as a result of Caledonian regional metamorphism. We suggest that the previously denotedspilitic rocks or altered volcanic rocks should be re-denoted as metabasalts or metabasaltic *** metamorphic grade of the volcanic rocks increases with their age: prehnite-pumpellyite faciesfor the upper part of the middle Ordovician volcanic rocks, prehnite-pumpellyite to lowergreenschist facies for the lower part of the middle Ordovician volcanic rocks, and lower greenschistfacies for the Lower Ordovician volcanic rocks. The P-T conditions are estimated as T = 240 - 290deg C and P = 1.5-4.5 kbar for the lower part of the middle Ordovician rocks, and T = approx 300 degC for the Lower Ordovician rocks. The variations of mineral assemblages occurring at differentdomains of the volcanic rocks were controlled by the variations of the effective bulk composition inthose domains during metamorphism. The geochemical characteristics of mg-Al chromite in themayaxueshan volcanic rocks are consistent with an origin of island arc environment.

关键词： Qilian Fold Belt alteration regional metamorphism volcanic rock spilite basalt