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2Â¥: Originally posted by wjf008 at 2012-07-30 10:25:27
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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.
3Â¥2012-07-30 11:53:35
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rainwander: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2012-07-30 18:18:50
issaclai: ½ð±Ò+10 2012-08-04 08:03:03
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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.
4Â¥2012-07-30 11:55:18
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issaclai: ½ð±Ò+10 2012-08-04 08:03:17
Õâ¸öÎÊÌâÈ˼ÒÊÇ˵Äã¶ÔÅàÑøÎïµÄÖÆ±¸ËµµÄÌ«²»ÏêϸÁË¡£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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