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After centrifugation, the precipitate was removed and was dissolved in a
0.1M sodium bicarbonate solution, followed by the biosurfactant extraction step with a solvent having a 2:1 chloroform-to-ethanol ratio at room temperature [29]. The organic phase was transferred to a round-bottom flask connected to a rotary evaporator in order to remove the solvent.
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pkming(½ð±Ò+2,VIP+0): 10-4 19:55
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Originally posted by pkming at 2009-8-11 17:21:
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After centrifugation, the precipitate was removed and was dissolved in a
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