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New thermally stable polyesters based on 2,5-pyridinedicarbonyl dichloride and aromatic diols:Synthesis and characterization

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Chinese Chemical Letters 2009年第7期20卷 885-888页

作者： hossein nasr isfahani Khalil Faghihi Faculty of Chemistry Shahrood University of TechnologyShahroodIran Organic Polymer Chemistry Research Laboratory Department ofChemistryFaculty ofScienceArak UniversityArak 38156 Iran

Six new thermally stable polyesters （4a-f） were synthesized through the solution polycondensation reaction of 2,5-pyridine dicarbonyldichloride （2） with six aromatic diols in N,N＇-dimethyl acetamide （DMAc） solution and in the presence of pyridine as a base. The polycondensation reactions produce a series of new polyesters （4a-f） in high yields, and inherent viscosity between 0.30 and 0.55 dL/g. The resulting polyesters were characterized by elemental analysis, viscosity measurements, thermal gravimetric analysis （TGA and DTG）, solubility test, Fourier transform infrared （FT-IR） spectroscopy and gel permeation chromatography （GPC）. C 2009 Khalil Faghihi. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

关键词： High performance polymers Polyesters Pyridyl moiety

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Strict Topology over the Space of Measures with Continuous Translations on a Locally Compact Foundation Semigroup

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Acta Mathematica Sinica,English Series 2011年第5期27卷 933-942页

作者： S. MAGHSOUDI R. nasr-isfahani Department of Mathematics Faculty of Sciences Zanjan University Zanjan 313 Iran Department of Mathematical Sciences Isfahan University of Technology Isfahan 84156-83111 Iran

Let δ be a locally compact semigroup, w be a weight function on δ, and Ma （δ, ω） be the weighted semigroup algebra of δ. Let L0^∞（δ; Ma（δ, ω）） be the C＊-algebra of all Ma（δ, w）-measurable functions g on δ such that g/w vanishes at infinity. We introduce and study a strict topologyβ1 （δ, ω） on Ma（δ, ω） and show that the Banach space L0^∞（6;Ma（δ, ω） can be identified with the dual of Ma（δ, ω） endowed with 31（δ, ω）. We finally investigate some properties of the locally convex topology β^1（δ, ω） on Mo（δ, ω）. Keywords Foundation semigroup, locally convex space, weighted semigroup algebra, strict topology

关键词： Foundation semigroup locally convex space weighted semigroup algebra strict topology

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Harmony of Heaven,Earth and Man——Harmony of Civilizations

Harmony of Heaven,Earth and Man——Harmony of Civilizations

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文明的和谐与共同繁荣：危机的挑战、反思与和谐发展——北京论坛（2009）

作者： Seyyed hossein nasr the George Washington University

Anyone seriously concerned with the human condition today cannot but observe the presence of unprecedented crises and disorder on so many planes of our existence from the spiritual,philosophical and psychological to the social,economic and political to the environmental that now threatens the very web of life here on earth including our *** of seeking that

关键词： Harmony of Civilizations Harmony of Heaven,Earth and Man Earth

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Reproduction of juniper (Juniperus polycarpos) in Khorasan Razavi, Iran

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Forestry Studies in China 2013年第3期15卷 231-237页

作者： Hamid AHANI Hamid JALILVAND Seyed Mohammad hosseinI nasr hossein SOLTANI KOUHBANANI Mohammad Reza GHAZI Hassan MOHAMMADZADEH Agricultural Sciences and Natural Resources University of Sari Iran Natural Resources and Watershed Administration of Khorasan Razavi Iran Torogh Nursery Natural Resources and Watershed Administration of Khorasan RazaviIran Natural Resources and Watershed Administration of Kalat Naderi Khorasan RazaviIran

Juniperus species （juniper） are resistant to drought and have medicinal properties. In order to investigatethe condition of juniper reproduction and prevent a decline in its area, largely caused by problems in natural regeneration, the asexual reproduction of juniper has received special attention besides its sexual propagation. Among the six species of juniper in Iran, the most abundant are Juniperus polycarpos and J. excelsa. Juniperus polycarpos is ambi-sexual and J. excelsa unisexual. We show that collecting seeds in September provided for better germination than in November. In sexual propagation 82.0% and in asexual （graft） 47.6% success were achieved. Compared to a mixture of water, lime and hormones, a natural treatment of only water had better results. Diurnal change of temperature increased germination of juniper seeds over a constant temperature. Aphyllous stem cuttings from mature and old trees are less successful in rooting than leafy cuttings of juniper saplings. A treatment with Aaterra significantly reduced the percentage of rooted cuttings and total root length. Aliette, Fongarid, Octave, Benomyl, Delsene M and Maneb fungicides significantly increased the percentage of rooted cuttings but did not affect total root length. Autumn explants formed more calli than spring explants. Successful multiplication was achieved by treating buds with a mixture of 0.7% polyvinyl pyrrolidone （PVP） and 2% sucrose and cultured in a basal MS or WRC medium, with a maximum number of new buds. In consideration of extracted material of juniper species in remedy of infectious, fungus, contagious diseases as well as for drought resistance and longevity of this species in severe arid environmental conditions and various industrial applications, reproduction and seed production by micro propagation and biotechnology are necessary.

关键词： Juniperus polycarpos Juniperus excelsa micro propagation reproduction Iran

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Direct remyelinating effect of bone marrow mesenchymal stem cells in the rat model of spinal cord injury

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Life Research 2021年第3期4卷 1-8页

作者： Farshad Homayouni Moghadam Abolghasem Abbasi Abbas Vakili-Zarch Mehrdad Mansouri Mojtaba Babaei-Zarch Mohammad hossein nasr-Esfahani Department of Animal Biotechnology Cell Science Research CenterRoyan Institute for BiotechnologyACECRIsfahanIran Neurobiomedical Research Center Shahid Sadoughi Yazd University of Medical SciencesYazdIran

Background:Several studies have tried to evaluate the effects of stem cell therapy for spinal cord injury in animal models and human *** marrow mesenchymal stem cells are one of the safe and available candidate cells with established beneficial therapeutic effects for bone and cartilage ***,there are some doubts regarding their therapeutic efficacy for nervous system *** marrow mesenchymal stem cells have been used in some clinical trials for spinal cord injury but their precise mechanism of action and also their safety has not been *** experimental reports do not provide sufficient and convincing evidence to persuade therapists to perform further clinical *** the present study we have used detailed staining methods to clearly show the entire structure of the injured spinal cord and the effects of bone marrow mesenchymal stem cells treatment on this ***:Intrathecal injection of neutral red stained bone marrow mesenchymal stem cells were done in a rat model of spinal cord injury and the fate of the transplanted cells,immunologic responses in the host tissue,and tumor generation were assessed by using brightfield and fluorescence ***-motor functions were also evaluated in the ***:Injected cells could migrate to the site of the injury and differentiate into oligodendrocytes and ***-histological assays showed no cells expressing CD2,CD3,CD15 and CD45 in host tissues,and sensory-motor assessments revealed that there were some partial ***:Present study provides strong evidence that mesenchymal stem cell therapy is safe and could be helpful for the remyelination of injured nerve fibers in the acute phase of injury.

关键词： Mesenchymal stem cell Oligodendrocyte Spinal cord injury Myelination Differentiation Stem cell therapy

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阿尔法拉比为何被伊斯兰思想哲学界称作“第二导师”

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北方民族大学学报（哲学社会科学版） 2010年第2期 107-110页

作者：赛义德.侯赛因.纳斯尔任军译宁夏大学政法学院宁夏银川750021

自古至今,伊斯兰思想界对法拉比为何被称作"第二导师"这一问题有各种不同的阐释。纳斯尔教授认为法拉比是用逻辑学系统化陈述的方法对诸学科进行处理的奠基者,他建立起"理性"与"信仰"之间,即哲学与宗教之间的和谐。法拉比在伊斯兰传统... 详细信息

自古至今,伊斯兰思想界对法拉比为何被称作"第二导师"这一问题有各种不同的阐释。纳斯尔教授认为法拉比是用逻辑学系统化陈述的方法对诸学科进行处理的奠基者,他建立起"理性"与"信仰"之间,即哲学与宗教之间的和谐。法拉比在伊斯兰传统中所做的工作有如亚里士多德在希腊传统中所做的工作,故被称为"第二导师"。

关键词：法拉比亚里士多德第二导师

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