نتایج جستجو برای: 1 to 186064 gr lit
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کاتالیست بر پایه آهن با لیگاند 2،6 -دی استیل پیریدین بیس( 2-ترشیوبوتیل آنیلین) تحت شرایط کنترل شده سنتز شد، که به صورت همگن و غیرهمگن جهت هموپلیمریزاسیون اتیلن و کوپلیمریزاسیون اتیلن با کومونومر 1-هگزن مورد استفاده قرار = با نسبت 400 mao 0 و 2 بار اتیلن با کمک کاتالیست / گرفت. در حالت هموژن کاتالیست فرامتالوسن آهن در فشارهای 5 = با نسبت 1250 tiba و tea و در حالت غیرهمگن آن در فشارهای 2 و 5 ب...
AIMS Ginsenoside-Rg1, the most prevalent active constituent of Panax ginseng, has been shown to possess potent pro-angiogenic properties and therefore poses special interest for the development as a novel modality for angiotherapy. Rg1 can activate the glucocorticoid receptor (GR). However, the mechanism that transmits these pro-angiogenic effects is still unclear. METHODS AND RESULTS By usin...
Glucocorticoids are vital for life and regulate an array of physiological functions by binding to the ubiquitously expressed glucocorticoid receptor (GR, also known as NR3C1). Previous studies demonstrate striking breed differences in plasma cortisol levels in pigs. However, investigation into the breed-dependent GR transcriptional regulation is hampered by lacking porcine GR promoter informati...
The anti-granulocyte receptor-1 (Gr-1) mAb, RB6-8C5, has been used extensively to deplete neutrophils in mice and to investigate the role of these cells in host defense. RB6-8C5 binds to Ly6G, which is present on neutrophils, and to Ly6C, which is expressed on neutrophils, dendritic cells, and subpopulations of lymphocytes and monocytes. It is thus likely that in vivo administration of RB6-8C5 ...
OBJECTIVE To compare the efficacy of forced-air warmers and radiant heaters on rewarming after cardiac surgery in a prospective randomized study. METHODS Fifty male patients who had undergone coronary artery bypass graft surgery were studied. The control group (Gr. C, n=10) was nursed under a standard hospital blanket. Two groups were treated with forced-air warmers: WarmTouch 5700 (Gr. WT, n...
OBJECTIVE The purpose of this study was to determine whether the bond of veneering porcelain to a ceramic core in bilayered ceramics was similar to that of the metal ceramic control of well known behaviour. STUDY DESIGN Six groups of nine specimens each were fabricated, whose dimensions were 15 mm long and 8 mm in diameter at the core, and 2 mm long and 8 mm in diameter for the veneer. The gr...
Heat shock proteins (HSP) are expressed at high levels in cancer and form a fostering environment that is essential for tumor development. Here, we review the recent data in this area, concentrating mainly on Hsp27, Hsp70, and Hsp90. The overriding role of HSPs in cancer is to stabilize the active functions of overexpressed and mutated cancer genes. Thus, elevated HSPs are required for many of ...
It is generally agreed that the upper age limit for heart transplantation is 60 years. However, an increasing number of elderly candidates are accepted for heart transplantation. We retrospectively analyzed our experience with a total of 204 consecutive transplantations, performed in 195 adult patients (9 retransplantations) between March 1987 and September 1993. There were 48 patients older th...
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