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تعداد نتایج: 11991 فیلتر نتایج به سال:
THE TITLE COMPOUND (SYSTEMATIC NAME tert-butyl 3-{[1-(methoxy-carbon-yl)eth-yl]amino-carbon-yl}-3-methyl-carbazate), C(11)H(21)N(3)O(5), is a precursor for the study of a new class of foldamer based on aza/α-dipeptide oligomerization [Abbas et al. (2009 ▶). Tetra-hedron Lett.50, 4158-4160]. The asymmetric unit consists of one mol-ecule in an extended conformation which is stabilized by inter-mo...
Some pseudo-peptide analogs of thiol proteinase inhibitors were synthesized by a conventional solution method. Among them, Suc-Ala-Val-Val-Ala-psi-(CH2-NH)-Ala-pNA (peptide 1) and Suc-Ala-Val-Val-psi-(CH2-NH)-Ala-Ala-pNA (peptide 2) showed a stronger inhibitory activity compared with parent peptide such as Suc-Ala-Val-Val-Ala-Ala-pNA. In particular, peptide 2 was about 10-fold as active as the ...
Objective(s): This study is aimed to design and synthesize a prodrug of 5-aminosalicylic acid and evaluate its ameliorative effect on experimental ulcerative colitis (UC).Materials and Methods: 5-Aminosalicylic acid-alanine (5-ASA-ALA) was synthesized and characterized. Its stability study was conducted in rat plasma and in the gastroint...
Background: The efficiency of in vitro maturation (IVM) has remained low despite extensive effort to understand the culture conditions. This study investigated the effect of cumulus cells and meiotic inhibitors on oocyte developmental competence in the presence of Alpha Lipoic acid (ALA) Materials and Methods: Mouse germinal vesicle oocytes were considered in cumulus-denuded oocytes (CDOs) and ...
Background and purpose: Occlusal plane in edentulous patients is lost and needs to be reconstructed. The most common method for reconstructing occlusal plane is to make it parallel to the ala-tragus line. There are disagreements about the posterior reference of ala-tragus line. The aim of this study was to determine the best posterior reference of ala-tragus line (superior, middle and anterior ...
in vitro maturation (ivm) was carried out in the presence of different concentrations (10, 50, 100 or 200 µm) of α-linolenic acid (ala). embryonic cleavage, blastocyst formation following parthenogenetic activation (pa) and in vitro fertilization (ivf), and numbers of total and apoptotic cells in blastocyst were then determine for the 50 μm concentration and compared with the control group. out...
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