batch culture वाक्य
उदाहरण वाक्य
मोबाइल
- Researchers have also aimed to improve cultivation techniques using a high-biomass batch culturing technique.
- Batch culture is the most common laboratory growth method in which bacterial growth is studied, but it is only one of many.
- In comparison to batch culture, bacteria are maintained in exponential growth phase, and the growth rate of the bacteria is known.
- To cultivate the mutant on a low concentration of the required nutrient, it is fed to the batch culture at a controlled rate.
- At such high concentrations, the nutrients become inhibitory, even though they have no such effect at the normal concentrations used in batch cultures.
- Generally speaking, fed-batch culture is superior to conventional batch culture when controlling concentrations of a nutrient ( or nutrients ) affect the yield or productivity of the desired metabolite.
- Generally speaking, fed-batch culture is superior to conventional batch culture when controlling concentrations of a nutrient ( or nutrients ) affect the yield or productivity of the desired metabolite.
- This can also occur when the bacterium in a closed batch culture consumes most of its nutrients and is entering the stationary phase when new nutrients are suddenly added to the growth media.
- While growing these bacteria on various combination of sugars during his doctoral thesis research, Monod observed that often two distinct growth phases are clearly visible in batch culture, as seen in Figure 1.
- The " Penicillium " cells are grown using a technique called fed-batch culture, in which the cells are constantly subject to stress, which is required for induction of penicillin production.
- In the case of the baker's or brewer's yeast " Saccharomyces cerevisiae " growing on glucose with plenty of aeration, the diauxic growth pattern is commonly observed in batch culture.
- For example, in a mixed batch culture the target species may die or have reduced growth rates due to competition for nutrients, dissolved inorganic carbon, or pH levels which are too low for the target species.
- In a batch culture, to achieve very high cell concentrations, " e . g . " 50-100 g of dry cells / L, high initial concentrations of the nutrients in the medium are needed.
- A powerful method of overcoming the catabolite repression in the enzyme biosynthesis is a fed-batch culture in which glucose concentration in the culture liquid is kept low, where growth is restricted, and the enzyme biosynthesis is derepressed.
- The inset shows that the change in the number of CFUs between day 4 and day 1 depends on the initial GASP fraction of a culture . ( b ) Growth curves, measured as optical density ( OD ) at 600 nm, of well-mixed batch cultures.
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