نتایج جستجو برای: lif mg and ti
تعداد نتایج: 16859952 فیلتر نتایج به سال:
Herein we report on the formation of a Ti-C-O-F phase via the topotactic transformation of Ti2AlC by immersion in molten lithium fluoride, LiF, at 900°C in air for 2 h. The Al diffuses out of the structure and reacts with LiF to form Li3AlF6. X-ray diffraction, Raman spectroscopy, optical, scanning and transmission electron microscopy with energy-dispersive spectroscopy showed the selective etc...
Purpose: The aim of this research was to study the effects of different doses of LIF on GVBD and MII development rate and cumulus expansion. Materials and Methods: Immature mice superovulated with HMG and GV oocytes obtained from ovary 48 hours later. The GV oocytes were cultured in TCM199 with 100, 500 and 1000 IU /ml LIF. Cumulus expansions were evaluated with two examiners and numbers of MII...
Adequate differentiation or decidualization of endometrial stromal cells (ESC) is critical for successful pregnancy in humans and rodents. Here, we investigated the role of leukemia inhibitory factor (LIF) in human and murine decidualization. Ex vivo human (H) ESC decidualization was induced by estrogen (E, 10(-8) M) plus medroxyprogesterone acetate (MPA, 10(-7) M). Exogenous LIF (≥50 ng/ml) in...
Blastocyst implantation is a critical stage in the establishment of pregnancy. Leukemia inhibitory factor (LIF) is essential for mouse blastocyst implantation and also plays a role in human pregnancy. We examined the effect of a potent LIF antagonist (LA) on mouse implantation. In mice, LIF expression peaks on day 3.5 of pregnancy (D3.5) (D0.5 = day of mating plug detection) in the uterine glan...
Exposures to di-(2-ethylhexyl) phthalate (DEHP) have been shown to be associated with decreased adult testosterone (T) levels and increased Leydig cell numbers. As yet, little is known about DEHP effects in utero on fetal Leydig cells (FLC). The present study investigated effects of DEHP on FLC function. Pregnant Long-Evans female rats received vehicle (corn oil) or DEHP at 10, 100, or 750 mg/k...
A. Baldi,1,2,* G. K. Pálsson,3 M. Gonzalez-Silveira,1 H. Schreuders,2 M. Slaman,1,2 J. H. Rector,1 G. Krishnan,4 B. J. Kooi,4 G. S. Walker,5 M. W. Fay,6 B. Hjörvarsson,3 R. J. Wijngaarden,1 B. Dam,2 and R. Griessen1 1Department of Physics and Astronomy, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands 2Department of Chemical Engineering, Delft University of Technol...
Titanium (Ti) has beneficial effects on growth, physiology and metabolism of plants. On the other hand, there is a high concern to use the nano-fertilizers with technological progress. In this respect, a hydroponic experiment, was designed in which Ti and nano-titanium (N-Ti) were added to the nutrient solution (NS) in two concentrations of 1 and 2 mg/L the NS without adding treatments was cons...
Background: Leukemia inhibitory factor (LIF) is a neurortophic cytokine which plays an important role in the neural cell survival. Expression of LIF and its receptor, LIFR, in different brain regions has been demonstrated. Based on evidences LIF plays an important role in the modulation of neurogenesis and glial responses to injury. Up-regulation of LIF after central nervous system (CNS) damage...
Introduction: Organ dose estimation using thermoluminescence dosimeter (TLD) is known to be a standard, although many other methods, such as simulation software, optically stimulated luminescent dosimeters, and photodiodes are still in use. This study aimed at directly measuring mean organ doses to the selected organs in the head/neck, chest, and abdominal regions from four computed tomography ...
????? ?? ? ?? ???? ?? ??? ?? off-grade ???? ???? ??. ? ???? ??? Ti ???? ?? ???? ???? ???? Mg?? ?????. ??? ?-Ti ??(1,023~1,123 K)?? ??????, ?? ??, ??, Mg?, ??? ??? ??? ??? ?????. ??? YCl3? MgO? ???? arm MgO? ???? ??? Mg? ?? Ti? ??? ??????, 1,073 K, 6?? ???? Mg=3.6 g, Xrm YCl3=0.22 ?? scrap? 0.5 %?? ?? ??? 0.1117 %?? ?????.
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