نتایج جستجو برای: cmk 3
تعداد نتایج: 1811475 فیلتر نتایج به سال:
در این مقاله، کاربید بور با استفاده از دو نوع کربن (مزوپور کربنی CMK-1 وکربن سیاه)، اکسید بور و فرآیند احیاء منیزیوترمال سنتز شد. نقش نوع کربن بر روی تشکیل کاربید بور مورد بررسی قرار گرفت. برای این کار، ابتدا مزوپور کربنی CMK-1 با استفاده از روش قالبگیری توسط پیش سازه سیلیکاتی MCM-48 سنتزگردید و در ادامه با بهرهگیری از فرآیند منیزیوترمال، نمونهها با نسبت وزنی12: 5/1: 11=C:MgB2O2 در محدوده دم...
The hydrolysis of cellulose over sulfonated carbons was promoted greatly by elevating the sulfonation temperature. With 250 degrees C-sulfonated CMK-3 as a catalyst, the cellulose was selectively hydrolyzed into glucose with the glucose yield as high as 74.5%, which is the highest level reported so far on solid acid catalysts.
Activation of caspase-1 through the inflammasome protein Nalp1b controls anthrax lethal toxin (LT)-induced necrosis in murine macrophages. In this study we analyzed physiological changes controlled by caspase-1 in LT-treated murine macrophages. The caspase-1 inhibitor Boc-D-cmk blocked caspase-1 activity and membrane impairment in LT-treated cells. To determine the relationship between caspase-...
BACKGROUND Pyroptosis is the term for caspase-1-dependent cell death associated with pro-inflammatory cytokines. The role of alveolar macrophage (AM) pyroptosis in the pathogenesis of the acute lung injury and acute respiratory distress syndrome (ALI/ARDS) remains unclear. METHODS C57BL/6 wild-type mice were assigned to sham, lipopolysaccharide (LPS) + vehicle, LPS + acetyl-tyrosyl-valyl- ala...
DNA topoisomerases 1 and 2 are enzymes that maintain DNA topology and play important essential genome functions, including DNA replication and transcription. Aberrant topoisomerases cause genome instability and a wide range of diseases, cancer in particular. Both Topo 1 and 2 are the targets of valuable anticancer drugs, such as camptothecin. It has been previously shown that artemisinin, a ses...
Megakaryocytes (MKs) are one of the few cell types that become polyploid; however, the mechanisms by which these cells are designated to become polyploid are not fully understood. In this investigation, we successfully established two relatively synchronous polyploid cell models by inducing Dami and CMK cells with SP600125. We found that SP600125 induced the polyploidization of Dami and CMK cel...
Quasielastic neutron scattering was used to study the dynamics of three-dimensional confined water in a hydrophobic mesoporous material designated as CMK-1 in the temperature range from 250 to 170 K. We observe a crossover phenomenon at temperature T(L) . We find that T(L) of water confined in CMK-1 occurs in between previous observations of one-dimensional confined water in materials with diff...
در این مقاله، کاربید بور با استفاده از دو نوع کربن (مزوپور کربنی cmk-1 وکربن سیاه)، اکسید بور و فرآیند احیاء منیزیوترمال سنتز شد. نقش نوع کربن بر روی تشکیل کاربید بور مورد بررسی قرار گرفت. برای این کار، ابتدا مزوپور کربنی cmk-1 با استفاده از روش قالبگیری توسط پیش سازه سیلیکاتی mcm-48 سنتزگردید و در ادامه با بهرهگیری از فرآیند منیزیوترمال، نمونهها با نسبت وزنی12: 5/1: 11=c:mgb2o2 در محدوده دم...
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