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ÎÒµÄÎÄÕÂÖÐÊÇÕâôдµÄEscherichia coli was precultured in LB medium. The sterile culture medium contained 5 g NaCl, 10 g peptone ( purchased from sigma ), 5 g yeast extract ( purchased from sigma ) per liter. The pH of medium was adjusted to 7.0 before autoclaving. It was sterilized in high pressure steam for 30 min at 121 ¡æ.
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Escherichia coli was precultured in LB medium. The sterile culture medium contained 5 g NaCl, 10 g peptone ( purchased from sigma ), 5 g yeast extract ( purchased from sigma ) per liter. The pH of medium was adjusted to 7.0 before autoclaving. It was sterilized in high pressure steam for 30 min at 121 ¡æ.
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Culture medium: 1) It lacks details: How are the cultures done? Pre culture or main culture.Centrifugation process?? How many bacterial cells were counted?? Just mentioning LB medium is not sufficient.
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