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飞翔的跳跳

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[求助] 像这种方法提取出来的EPS属于哪种EPS?提取方法如下

方法:测定反应器内活性污泥的MLSS和MLVSS浓度,之后取适量活性污泥至离心管中,使用高速冷冻离心机在4℃下以10×103 rpm转速离心10 min。之后向离心管加入缓冲液(2mmolNa3PO4,4mmol NaH2PO4,9mmolNaCl和1mmolKCl配置成1 L的溶液)至20 mL,并将其摇匀,在4℃以10×103 rpm转速离心10 min后,倒掉离心管中的缓冲液,如此重复三次,对活性污泥进行冲洗。然后使用超声波细胞粉碎仪在25 W的功率下,将活性污泥中的微生物打散并转移至锥形瓶中,加入适量交换树脂(75 g/gMLVSS)。使用摇床在冰水中震荡4 h。最后使用高速冷冻离心机在4℃条件下以10×103 rpm转速离心10 min,上清液经0.45 μm的膜过滤,过滤液即为EPS。
这样提取出来的EPS是bEPS吗?和LBEPS和TBEPS是什么关系呢?
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