نتایج جستجو برای: sulfur

تعداد نتایج: 32690  

Hossein Ayatollahi, Mahdi Balali Mood, Mahshid Jalili, Mohammad Hadi Sadeghian, Mohammad Hosein Basharati, Mohammad Reza Keramati ,

Background: Sulfur mustard was the most widely applied chemical warfare agent by the Iraqi army in Iran–Iraq war (1983-1988). Considering the role of sulfur mustard toxicity in hematopoietic neoplasms and also new role of JAK2 mutation in these neoplasms, we assessed this mutation and delayed hematologic complications in veterans exposed to sulfur mustard. Methods: This case control st...

Farahnaz Eghbali Mohammad Reza Ehsani,

Sulfur emission from coal combustion presents many environmental problems. The techniques used to reduce the amount of sulfur in coal before combustion, include physical, chemical and biological processes.Biological processes based on degradation of sulfur compounds by microorganisms offer many advantages over the conventional physical and chemical processes. The processes are performed und...

Peyman Afzal

The objective of this study is to identify the most suitable portions of the C1 coking coal seam in the North Block of the East-Parvadeh coal deposit (Central Iran), according to ash and sulfur values, using C-N fractal modeling. Based on the C-N log-log plots, different geochemical populations were evaluated based on their sulfur and ash content. They were then divided into five populations ea...

AB Zaree Mahmoudabad J Pirzad M Saberi

In this study the role of glutathione (GSH) in sulfur mustard -induced oxidative stress and cytotoxicity, in human skin fibroblast cell line (HF2FF) was evaluated. Sulfur mustard-induced superoxide radical and hydrogen peroxide formation were evaluated by determination of superoxide dismutase and catalase activity in cell lysate. The cytotoxicity of sulfur mustard was estimated by lactate dehyd...

Journal: :iranian journal of pharmaceutical research 0
ab zaree mahmoudabad m saberi j pirzad

in this study the role of glutathione (gsh) in sulfur mustard -induced oxidative stress and cytotoxicity, in human skin fibroblast cell line (hf2ff) was evaluated. sulfur mustard-induced superoxide radical and hydrogen peroxide formation were evaluated by determination of superoxide dismutase and catalase activity in cell lysate. the cytotoxicity of sulfur mustard was estimated by lactate dehyd...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
farahnaz eghbali mohammad reza ehsani

sulfur emission from coal combustion presents many environmental problems. the techniques used to reduce the amount of sulfur in coal before combustion, include physical, chemical and biological processes.biological processes based on degradation of sulfur compounds by microorganisms offer many advantages over the conventional physical and chemical processes. the processes are performed under m...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2012
s. mohammadi* f. abdi

in the presented work, sulfur concrete and rubber were used for producing functionally graded materials (fgm). the physical and mechanical properties of sulfur concrete and rubber were changed continuously across the thickness. on one side, there was just rubber and, on the other, there was pure sulfur; the properties of each substance were moved to reach another. this kind of material was cons...

Journal: :The Plant cell 2010
David González-Ballester David Casero Shawn Cokus Matteo Pellegrini Sabeeha S Merchant Arthur R Grossman

The Chlamydomonas reinhardtii transcriptome was characterized from nutrient-replete and sulfur-depleted wild-type and snrk2.1 mutant cells. This mutant is null for the regulatory Ser-Thr kinase SNRK2.1, which is required for acclimation of the alga to sulfur deprivation. The transcriptome analyses used microarray hybridization and RNA-seq technology. Quantitative RT-PCR evaluation of the result...

Journal: :The Journal of biological chemistry 2014
Yvonne Stockdreher Marga Sturm Michaele Josten Hans-Georg Sahl Nadine Dobler Renate Zigann Christiane Dahl

The formation of periplasmic sulfur globules is an intermediate step during the oxidation of reduced sulfur compounds in various sulfur-oxidizing microorganisms. The mechanism of how this sulfur is activated and crosses the cytoplasmic membrane for further oxidation to sulfite by the dissimilatory reductase DsrAB is incompletely understood, but it has been well documented that the pathway invol...

Journal: :Nano letters 2013
Weiyang Li Qianfan Zhang Guangyuan Zheng Zhi Wei Seh Hongbin Yao Yi Cui

Lithium sulfur batteries have brought significant advancement to the current state-of-art battery technologies because of their high theoretical specific energy, but their wide-scale implementation has been impeded by a series of challenges, especially the dissolution of intermediate polysulfides species into the electrolyte. Conductive polymers in combination with nanostructured sulfur have at...

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