نتایج جستجو برای: شبکه آلی فلزی mof
تعداد نتایج: 60171 فیلتر نتایج به سال:
The gas-phase loading of [Zn4O(bdc)3] (MOF-5; bdc = 1,4-benzenedicarboxylate) with the volatile compound [Ru(cod)(cot)] (cod = 1,5-cyclooctadiene, cot = 1,3,5-cyclooctatriene) was followed by solid-state (13)C magic angle spinning (MAS) NMR spectroscopy. Subsequent hydrogenolysis of the adsorbed complex inside the porous structure of MOF-5 at 3 bar and 150 degrees C was performed, yielding ruth...
Two porous, chiral metal-organic frameworks (MOFs), Ca14(l-lactate)20(acetate)8(C2H5OH)(H2O) (MOF-1201) and Ca6(l-lactate)3(acetate)9(H2O) (MOF-1203), are constructed from Ca2+ ions and l-lactate [CH3CH(OH)COO-], where Ca2+ ions are bridged by the carboxylate and hydroxyl groups of lactate and the carboxylate group of acetate to give a three-dimensional arrangement of Ca(-COO, -OH) polyhedra su...
The low thermal conductivity of the prototype hydrogen storage adsorbent, metal-organic framework 5 (MOF-5), can limit performance in applications requiring rapid gas uptake and release, such as in hydrogen storage for fuel cell vehicles. As a means to improve thermal conductivity, we have synthesized MOF-5-based composites containing 1e10 wt.% of expanded natural graphite (ENG) and evaluated t...
In the present study, a nanoporous metal organic framework (MOF) based on iron metal and amino terephthalate ligand MIL-101-NH2-Fe has been used as a carrier for loading and in vitro release of 5-flurouracil (5-FU) anticancer drug. The 5-FU drug loaded MOF was 13 wt % by using thermogravimetric analysis (TGA). The 5-FU release was monitored under physiological condition at 37°C, pH 7.4 in simul...
Introduction: Hydrogen sulfide is one of the most important impurities in natural gas. Due to the fact that this gas is hazardous, toxic, corrosive and volatile, therefore, the removal of hydrogen sulfide has been studied using several methods. One of the most known procedures is the adsorption process. In the present study, activated carbon and activated carbon-based composite scaffolds (MOF-5...
The construction of efficient enzyme mimetics for the hydrolysis of peptide bonds in proteins is challenging due to the high stability of peptide bonds and the importance of proteases in biology and industry. Metal-organic frameworks (MOFs) consisting of infinite crystalline lattices with metal clusters and organic linkers may provide opportunities for protease mimic which has remained unknown....
The MYST family of histone acetyltransferases (HATs) plays critical roles in diverse cellular processes, such as the epigenetic regulation of gene expression. Lysine autoacetylation of the MYST HATs has received considerable attention recently. Nonetheless, the mechanism and function of the autoacetylation process are not well defined. To better understand the biochemical mechanism of MYST auto...
در این پژوهش وضعیت تولید، ذخیره و چگونگی مدیریت پسماندهای شهرک صنعتی یزد با گستره 686 هکتار و 252 واحد فعال مورد بررسی قرار گرفته است. برای ارزیابی وضعیت موجود پسماندهای صنایع از پرسشنامه بهرهگیری شد و شمار 117 نمونه از گروههای مختلف مورد بررسی قرار گرفتند. در این مطالعه رابطه بین وزن پسماند تولیدی در هر واحد و شمار کارکنان صنایع با بهرهگیری از معادله به صورت X58/0 + 4/577 = Y به دست آمد. با...
We review the central concepts required from a project and configuration management system for MOF-based models. The necessary features for a model repository and MOF framework are given, as well as suggestions of several algorithms and components.
جذب گازها یکی از فرایندهای مهم در صنایع نفت و گاز و پتروشیمی و همچنین در حوزة حفاظت محیط زیست به شمار میآید. در این تحقیق مدلسازی تکدمای فرایند جذب گازهای کربن دیاکسید و هیدروژن سولفید توسط جاذبهای چارچوبهای فلزی- آلی به منظور بررسی رفتار سیستم جذب و پیشبینی ظرفیت جذب بررسی شده است. برای مدلسازی از مدلهای تکدمای سه پارامتری و چندلایه استفاده شد. از دادههای تجربی جذب هیدروژن سولفید و کر...
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