نتایج جستجو برای: growth medium
تعداد نتایج: 1019403 فیلتر نتایج به سال:
Introduction: In diabetes mellitus, stem cells are exposed to inappropriate conditions such as an increase of glucose in extracellular space, oxidative stress, and deprivation from growth factors (following ischemia). This study was aimed to evaluate the effect of these conditions on stem cells. Methods: Stem cells were isolated from subcutaneous adipose tissue of rats. The cells were maintaine...
To study the effect of different concentrations of potassium in thenutrient solution and water stress on the quality and quantity yield of Lilium LA cv.Termoli, a pot experiment was conducted based on completely randomized design in sand and perlite medium (50:50) in three levels of potassium (Kfree, 6 mM K and and 12 mM K in Hoagland solution) with three replications. In the present study, the...
The purpose of this study is to evaluate environmental productivity changes in Iranian manufacturing industries, with two-digit ISIC codes, during 2003-2014. For this purpose, Meta-frontier Non-radial Malmquist CO_2 emission Performance Index (MNMCPI) is used. This index considers technological heterogeneities of industries. Empirical results indicate that, during 2003-2014, MNMCPI has grown, o...
Purpose: To improve the development of frozen mouse embryos by adding fibroblast growth factors (FGF) and hepatocytes (HGF) to the culture medium. Materials and Methods: Two-cell mouse embryos obtained from the fallopian tube and frozen by cryotopic method were treated in T6 medium with a dose of 20 ng / ml FGF and 20 ng / ml HGF. The results of their culture were compared with control groups a...
The medium described is a simple yeast extract broth capable of growing large number of Legionella neumophila, the causative organism of Legionnaires disease. Filtration was chosen as a means of sterilization, since medium that was autoclaved did not support growth without the presence of Norite A. The filtered medium gave rapid cell growth and maintained the initial antigen production. The obs...
Experiments were conducted to define the growth requirements of Campylobacter pyloridis, a newly discovered organism associated with gastritis and peptic ulcers. Two clinical isolates were streaked onto various media, and growth was assessed semiquantitatively according to relative colony size and extent of growth through the streak. The growth obtained on fresh chocolate agar, composed of GC a...
A chemically defined medium (MI(c)) is described in which cells of Haemophilus influenzae Rd grow rapidly (generation time, 35 +/- 5 min) and reach a stationary level of 10(10) cells/ml. Our strain of cells grown in this medium developed high levels of competence when transferred to another medium designed for that purpose. Conditions governing the total development of competence in this organi...
Mickelson, M. N. (National Animal Disease Laboratory, Ames, Iowa). Chemically defined medium for growth of Streptococcus pyogenes. J. Bacteriol. 88:158-164. 1964.-Three strains of group A hemolytic streptococci representing three serological types were serially subcultured for an extended period (100 or more transfers) in a peptide-free and protein-free culture medium. An amino acid assay mediu...
A chemically defined medium containing 18 amino acids, inorganic salts, rhamnose, choline, and ferric pyrophosphate has been developed. The final concentrations of salts and amino acids were modeled after yeast extract. This medium supported the growth of four serogroups of Legionella pneumophila. Growth in shake cultures at 37 degrees C produced a lag time of approximately 5 h and a generation...
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