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作者： A.S.M abidur rahm.n 燕山大学

学位级别：硕士

Rapid progress and the abnormal profits of the private/govt banking sector of Bangladesh is the hot topic nowadays in the *** academicians and practitioners are amazed to see the highest growth of private banking *** the same time,public/govt banks in the Bangladesh are facing serious dropout of profit and employees ***,this study aimed to investigate public and private banking sector of Bangladesh,specifically this study carried out four primary objectives,the first objective of this research was to investigate and compare the employees’ perception about training and development program in the public and private banking industry of *** second objective was to find out and compare the employees’ turnover intentions in the public and private banking industry of *** third objective was to identify and compare the employees’ job satisfaction in the public and private banking industry of ***,the fourth objective was to explore and compare the employees’ behavior about the training strategy of the public and private banking industry of *** targeted sample of this research consisted of the employees of the banking industry of the *** study implemented the quota and convenience sampling technique to choose respondents and to collect the *** overall sample size comprised of 320（n=320）employees who were working in the public/govt and private banking industry of the Bangladesh.170（n= 170）questionnaires were distributed in the public/govt banks in Bangladesh Similarly,150（n= 150）questionnaires were distributed in the private banks of ***,this study adopted the inferential as well as descriptive data analysis techniques mainly;frequency distribution,percentage,crosstab,and one sample t-test were performed in the SPSS version 21.0 *** result revealed that all the hypotheses related to employees’ perceptions about training and development program for the publ

关键词：银行管理员工培训员工态度孟加拉

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PIn FORMED 2 Modulates the Transport of Arsenite in Arabidopsis thaliana

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Plant Communications 2020年第3期1卷 42-56页

作者： Mohammad Arif Ashraf Kana Umetsu Olena Ponomarenko Michiko Saito Mohammad Aslam Olga Antipova natalia Dolgova Cheyenne D.Kiani Susan nehzati Keitaro Tanoi Katsuyuki Minegishi Kotaro nagatsu Takehiro Kamiya Toru Fujiwara Christian Luschnig Karen Tanino Ingrid Pickering Graham n.George abidur rahm.n United Graduate School of Agricultural Sciences Iwate UniversityMoriokaIwateJapan Department of Plant Bio Sciences Faculty of AgricultureIwate UniversityMoriokaIwateJapan Molecular and Environmental Science Research Group Department of Geological SciencesUniversity of SaskatchewanSaskatoonSKCanada Argonne national Lab Advanced Photon SourceXSD-MICLemontILUSA Isotope Facility for Agricultural Education and Research Graduate School of Agricultural and Life SciencesThe University of TokyoBunkyo-kuTokyoJapan Department of Radiopharmaceuticals Development National Institute of Radiological SciencesNational Institutes for Quantum and Radiological Science and TechnologyInageChibaJapan Department of Applied Biological Chemistry Graduate School of Agricultural and Life SciencesThe University of TokyoBunkyo-kuTokyoJapan Department of Applied Genetics and Cell Biology University of Natural Resources and Life SciencesVienna(BOKU)Muthgasse 181180 WienAustria Department of Plant Sciences College of Agriculture and BioresourcesUniversity of SaskatchewanSaskatoonSKCanada Agri-Innovation Center Iwate UniversityMoriokaIwateJapan

Arsenic contamination is a major environmental issue,as it may lead to serious health *** reduced trivalent formof inorganic arsenic,arsenite,is in generalmore toxic to plants comparedwith the fully oxidized pentavalent *** arsenite inplants hasbeenshown tobemediatedthrough a large subfamily of plant aquaglyceroporins,nodulin 26-like intrinsic proteins(nIPs).However,the efflux mechanisms,as well as themechanismof arsenite-induced root growth inhibition,remain poorly *** physiology,synchrotron imaging,and root transport assay approaches,we show that the cellular transport of trivalent arsenicals inArabidopsis thalianais stronglymodulatedbyPInFORMED2(PIn2)auxin efflux *** transport assay using radioactive arsenite,X-ray fluorescence imaging(XFI)coupled with X-ray absorption spectroscopy(XAS),and inductively coupled plasma mass spectrometry analysis revealed that pin2 plants accumulate higher concentrations of arsenite in roots comparedwith the *** the cellular level,arsenite specifically targets intracellular sorting of PIn2 and thereby alters the cellular auxin ***,loss of PIn2 function results in arsenite hypersensitivity in *** coupled with XAS further revealed that loss of PIn2 function results in specific accumulation of arsenical species,but not the other metals such as iron,zinc,or calcium in the root ***,these results suggest that PIn2 likely functions as an arsenite efflux transporter for the distribution of arsenical species in planta.

关键词： auxin arsenite PIn2 trafficking transport

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In vivo cardiac pacemaker function of differentiated human mesenchymal stem cells from adipose tissue transplanted into porcine hearts

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World Journal of Stem Cells 2020年第10期12卷 1133-1151页

作者： Fabrice F Darche Rasmus Rivinius Ann-Kathrin rahm Eva Köllensperger Uwe Leimer Günter Germann Miriam Reiss Michael Koenen Hugo A Katus Dierk Thomas Patrick A Schweizer Department of Cardiology Medical University Hospital HeidelbergHeidelberg D-69120Germany DZHK(German Centre for Cardiovascular Research) Partner Site Heidelberg/MannheimUniversity of HeidelbergHeidelberg D-69120Germany HCR(Heidelberg Center for Heart Rhythm Disorders) Department of CardiologyMedical University Hospital HeidelbergHeidelberg D-69120Germany Department of Plastic Surgery ETHIANUM Klinik HeidelbergHeidelberg D-69115Germany Department of Molecular neurobiology Max-Planck-Institute for Medical ResearchHeidelberg D-69120Germany

BACKGROUnD Mesenchymal stem cells(MSC)modified by gene transfer to express cardiac pacemaker channels such as HCn2 or HCn4 were shown to elicit pacemaker function after intracardiac transplantation in experimental animal *** MSC derived from adipose tissue(haMSC)differentiate into cells with pacemaker properties in vitro,but little is known about their behavior after intracardiac *** To investigate whether haMSC elicit biological pacemaker function in vivo after transplantation into pig *** haMSC under native conditions(nhaMSC)or after pre-conditioning by medium differentiation(dhaMSC)(n=6 pigs each,5×106 cells/animal)were injected into the porcine left ventricular free *** receiving PBS injection served as controls(n=6).Four weeks later,total atrioventricular(AV)-block was induced by radiofrequency catheter ablation,and electronic pacemaker devices were implanted for backup stimulation and heart rate *** rate and rhythm of pigs were evaluated during a follow-up of 15 d post ablation by 12-lead-ECG with heart rate assessment,24-h continuous rate monitoring recorded by electronic pacemaker,assessment of escape recovery time,and pharmacological challenge to address catecholaminergic rate ***,hearts were analyzed by histological and immunohistochemical *** In vivo transplantation of dhaMSC into the left ventricular free wall of pigs elicited spontaneous and regular rhythms that were pace-mapped to ventricular injection sites(mean heart rate 72.2±3.6 bpm;n=6)after experimental total AV *** rhythms were stably detected over a 15-d period and were sensitive to catecholaminergic stimulation(mean maximum heart rate 131.0±6.2 bpm;n=6;PnhaMSC or PBS presented significantly lower ventricular rates(mean heart rates 47.2±2.5 bpm and 37.4±3.2 bpm,respectively;n=6 each;Pnd exhibited little sensitivity towards catecholaminergic stimulatio

关键词： Biological cardiac pacemaker Mesenchymal stem cells Differentiation Animal model Cell transplantation Stem cell therapy

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河流盆地的硅持留:对沿海及海洋环境生物地球化学和水生食物网的深远影响

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AMBIO－人类环境杂志 2000年第1期29卷 45-50页

作者： Christoph Humborg Daniel J. Conley Lars rahm Fredrick Wulff Adriana Cociasu Venugopalan Ittekkot 张国梁海洋系统生态学罗马尼亚海洋研究所海洋化学和海洋学研究室生物地球化学和海洋化学

河流的拦截调蓄和河流盆地的富营养化大大地降低了溶解态硅(DSi)向黑海和波罗的海的输入。尽管流域中的人为输入可以补偿湖泊和水库中去除的n和P,但却不能补偿DSi。看来河流径流中营养物组成(DSi:n:P比)的变化是黑海浮游植物种类构成戏... 详细信息

河流的拦截调蓄和河流盆地的富营养化大大地降低了溶解态硅(DSi)向黑海和波罗的海的输入。尽管流域中的人为输入可以补偿湖泊和水库中去除的n和P,但却不能补偿DSi。看来河流径流中营养物组成(DSi:n:P比)的变化是黑海浮游植物种类构成戏剧性转变的原因。在波罗的海,DSi浓度和DSi:n比从60年代以来一直在下降,表现为春天旺发的硅藻比例下降,而鞭毛藻却增加了。这对黑海和波罗的海沿海生物地球化学循环和食物网结构的影响可能是深远的,因为它表明,随着以调蓄河水为目的的水坝建设的不断增加,河流输送的DSi的下降可能正在世界范围发生。

关键词：海洋环境河流拦截水生食物网硅富营养化

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