نتایج جستجو برای: group a ß
تعداد نتایج: 13547601 فیلتر نتایج به سال:
Objective: In this work we report the molecular characterization of ß-lactam antibiotics resistance conferred by genes contained in plasmids from enterobacteria producing extended-spectrum ß-lactamases (ESBL). Material and Methods: Fourteen enterobacterial clinical isolates selected from a group of strains obtained from seven different hospitals in Mexico during 1990-1992 and 1996-1998 were ana...
this study investigates the effect of teacher’s repetition as an input enhancement technique in explicit teaching of vocabulary items on efl learners’ later retrieval. to this end, 66 persian speaking english learners, aged 18 - 29, homogenized through a standard proficiency test (opt), were chosen and put into two experimental and control groups, each 33 learners. general service list (gsl), a...
OBJECTIVE(S) Oxidized low-density lipoproteins (ox-LDLs) appear to play a significant role in atherogenesis. In fact, circulating ox-LDL concentrations have been recognized as a risk factor for cardiovascular disease (CVD). The main objectives of this study were to assess the effects of antioxidant vitamins on ox-LDL as a biomarker of CVD in male subjects with CVD risk factors. MATERIALS AND ...
Further investigation of polar constituents in white lupin roots revealed the presence of genistein 7-O-ß-glucoside (la), genistein 4'-0-ß-glucoside (lb), 2'-hydroxygenistein 7-0ß-glucoside (2a) and 2'-hydroxygenistein 4'-0-ß-glucoside (2b) as simple isoflavone gluco sides; luteone 7-O-ß-glucoside (3 a), licoisoflavone A 7-O-ß-glucoside (4 a) and licoisoflavone A 4'-0-ß-glucoside (4b) as preny...
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
?it is of utmost priority for an experienced teacher to train the mind of the students, and enable them to think critically and correctly. the most important question here is that how to develop such a crucial ability? this study examines a new way to the development of critical thinking utilizing critical discourse analytical tools. to attain this goal, two classes of senior english la...
ì í ã î ï à á Ý ä ã ß é å â ê â á â è ð â ñ å í ã ê á ß é ã Ý é ä ï à ã Þ ß é ã Ý è í ò â ç í â â ä ç ã á ß å Ý â é ò ã å ó ã ã é å í ã à ã á á Þ ae ó í Ý à í Ý Þ ï Þ ã ä å â ä ã ñ Ý é ã å í ã Þ ô ß á á ã Þ å â ê ã é é ã Ý è í ò â ç í â â ä õ å í ã ö ÷ ø ù ú û ü ý þ â ñ ã ß à í à ã á á ë ì í ã Þ ã å â ñ â ê ã é Þ å ß ç Þ ñ â ç ô Þ ß ò ß Þ Ý Þ ñ â ç ß ñ Ý é Ý å ã å â ê â á â è Ý à ß á Þ ê ß à ã ÿ
ß-catenin is a key component of the Wnt signaling pathway and the abnormal accumulation of ß-catenin is characteristic of various types of cancer. Here we demonstrate that overexpression of Sox4 enhances ß-catenin/TCF activity by increasing the stability of ß-catenin. Sox4 increased the protein level of ß-catenin and its target gene cyclin D1 in a dose-dependent manner. An siRNA experiment for ...
In the fetal lung, endogenous transforming growth factor-ß (TGF-ß) inhibits early morphogenesis and blocks hormone-induced type II cell differentiation. We hypothesized that endogenous TGF-ß inhibits type II cell differentiation and that the stimulatory effects of glucocorticoids result in part from suppression of TGF-ß. Epithelial cells were isolated from human fetal lung and cultured under de...
Single crystals of the low (t-) and high (h-) temperature form of Z n 0Z n 3(A s 0 4)2 have been prepared by flux and by C 0 2-LASER techniques respectively. Both compounds crystal lizes monoclinic, space group C2h-P2;/n with the lattice parameters t-Z n0Z n3(A s 0 4)2: a = 9.807(3), b = 8.180(2), c = 9.967(2) A , ß = 116.53(2)°, Z = 4 and h-Z n0Z n3(A s 0 4)2: a = 9.743(3), b = 8.163(8), c = ...
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