نتایج جستجو برای: مزوپور کربنی cmk 1
تعداد نتایج: 2755362 فیلتر نتایج به سال:
Aqueous zinc-ion batteries (AZIBs) have become a current research hotspot owing to their high security and cost-effectiveness. However, the dissolution of electrode materials, low intrinsic conductivity, slow reaction kinetics seriously hinder practical application. Herein, sulfur-containing organic small molecule (seriniquinone, SQ), which plays significant role in melanoma treatment, was synt...
Cell-cell adhesion is essential for many immunological functions and is believed to be important in the regulation of hematopoiesis. Adhesive interactions between human endothelial cells and megakaryocytes were characterized in vitro using the CMK megakaryocytic cell line as well as marrow megakaryocytes. Although there was no adhesion between unactivated human umbilical vein endothelial cells ...
The kit ligand (KL), also termed stem cell factor (SCF), is a recently discovered hematopoietic growth factor that augments response of early progenitor cells to other growth factors and supports proliferation of continuous mast cell lines. Histological studies suggest that the receptor for SCF/KL, the c-kit proto-oncogene product, is present in bone marrow megakaryocytes. We studied the effect...
Mutants of Salmonella typhimurium defective in cytidine 5'-monophosphate (CMP) kinase (cmk) have been isolated. The mutants also lack the ability to phosphorylate 2'-deoxyCMP, indicating that one enzyme is responsible for the phosphorylation of both CMP and deoxyCMP to the corresponding diphosphates. In glucose minimal medium the mutants grow at the same rate as the parental strain; however, th...
در این پژوهش، سنتز کاربیدبور نانو ساختار با استفاده از کربنهای متخلخل بدست آمده از زئولیت طبیعی کیلینوپتیلولیت(CClinoptilolite) و SBA-15(CMK-3) توسط فرآیند احیاء منیزیوترمال مورد بررسی قرار گرفت. آزمایشها در نسبتهای جرمی مختلف اکسید بور، کربن و منیزیم در اتمسفر آرگون در محدوده دمایی°C 700 انجام شد. در فرآیند سنتز به روش منیزیوترمال، خواص پیشسازههایSAB-15 ، زئولیت کیلینوپتیلولیت و کربنها...
The chymotrypsin-like serine protease inhibitor, succinyl-alanine-alanine-proline-phenylalanine chloromethyl ketone (AAPF(CMK)), has been shown to have anticarcinogenic activity in a number of model systems and to be relatively selective for a nuclear protease. This inhibitor also has substantial effects on growth of tumorigenic human papillomavirus (HPV)-infected keratinocytes in organotypic r...
Mesoporous carbons were synthesized via both soft and hard template methods and compared to a commercial powder activated carbon (PAC) for the adsorption ability of bisphenol-A (BPA) from an aqueous solution. The commercial PAC had a BET-surface of 1027 m²/g with fine pores of 3 nm and less. The hard templated carbon (CMK-3) material had an even higher BET-surface of 1420 m²/g with an average p...
Ordered Mesoporous Carbon (OMC) represents an interesting material for electric double layer capacitors which has the high surface area, easily accessed ordered pore channels and lower production cost. In this work, CMK-3 as promising OMC has been fabricated using the ordered mesoporous silica SBA-15 as a template. The structure and morphology of CMK-3 are characterized by X-ray diffraction...
Background and purpose: 2, 4 dinitrophenol is the most important nitrophenol compound that is widely used in paints, adhesives, wood preservatives, solvents, pesticides, and explosive materials. Because of the high toxicity and non-biodegradability of 2, 4 DNP, must be prevented from entering the water body. The aim of this study was to evaluate the performance of ordered mesoporous carbon CMK-...
The model of structure and structural transformation of the mesostructured carbon material CMK-1 was established by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM) investigations. The investigations showed that the enantiomeric carbon subframeworks formed within the pores of the MCM48 mesoporous template used for the material synthesis displaced with respect to one ano...
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