نتایج جستجو برای: culture composition
تعداد نتایج: 531090 فیلتر نتایج به سال:
В работе методом математического моделирования проведено исследование механизмов влияния света на скорость роста и макромолекулярный состав накопительной культуры микроводорослей. Показано, что даже при единственном лимитирующем факторе рост микроводорослей сопряжен со значительным изменением биохимического состава биомассы. Отмечено, существующие математические модели, основанные принципах фер...
The composition of a synthetic culture medium for levorin biosynthesis by Streptomyces levoris 99/23 was optimised using mathematical modelling methods. The optimal concentrations of the medium components were established by means of an optimum composition design at three factor variation levels. An adequate regression model was obtained. Levorin biosynthesis by Streptomyces levoris 99/23 in th...
Experiments were conducted in a 0.25 m diameter bubble column to investigate the effect of animal cell culture medium composition on oxygen transfer rate. Air is used as the dispersed phase. The gas superficial velocity is varied between 0.4 and 2 cm/s (aeration rate ranging between 0.05 and 0.25 vvm) and the bubble column is thus operated in the homogenous regime. Aqueous solutions the composi...
Lenses of adult Atlantic salmon fed with a plant oil and plant protein-based diet (plant diet) were compared to lenses of fish fed a diet based on traditional marine ingredients (marine diet) with respect to biochemical composition and functionality ex vivo. After 12 months of feeding, plant diet-fed fish had smaller lenses with higher water contents and lower concentrations of histidine (His) ...
résumé depuis la création de la culture écrite, il est rare quune œuvre soit dépourvue de reflet de la culture populaire dans ses diverses manifestations, y compris ladage et les proverbes. ceux-ci constituent les éléments clés de toute langue supportant le poids des traditions et des coutumes, lhistoire, le caractère et la vision dune nation. les proverbes français et persans touchant des élé...
Classifying individual bacterial species comprising complex, polymicrobial patient specimens remains a challenge for culture-based and molecular microbiology techniques in common clinical use. We therefore adapted practices from metagenomics research to rapidly catalog the bacterial composition of clinical specimens directly from patients, without need for prior culture. We have combined a semi...
During the course of our studies on the amino acid metabolism of Mycobacterium tuberculo8si strain H-37Rv, it was observed that the amino acid composition of the cellular protein of this bacterium, although qualitatively the same, showed quantitative variation with the age of the culture. As such an observation is not in conformity with the already published data regarding the amino acid compos...
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