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固定在活性炭聚砜中空纤维膜中的Pseudomonas putida菌对四氯苯酚的共代谢降解
固定化微生物 共代谢 苯酚 四氯苯酚 生物降解
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2012/3/15
以苯酚-四氯苯酚共代谢体系为对象，研究了中空纤维聚砜膜作为细菌固定化材料对该共代谢过程的强化作用.结果表明，该膜具有内、中、外3层的结构，Pseudomonas putida菌可被固定在膜的表面和中间层；固定化后，细菌对高浓度有毒底物的忍受限度增强，从而得以持续生长，并在29 h内将600 mg/L和120 mg/L的苯酚和四氯苯酚完全降解.在膜的制作过程中添加了一定量的活性炭后，发现膜对苯酚和四...
Determination of Structure-Toxicity Relationship of Amphiprotic Compounds by Means of the Inhibition of the Dehydrogenase Activity of Pseudomonas Putida
Determination Structure-Toxicity Relationship of Amphiprotic Compounds Means of the Inhibition the Dehydrogenase Activity Pseudomonas Putida
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2010/6/30
Aliphatic and aromatic alcohols are amphiprotic compounds which have both polar and nonpolar parts in their structure. These compounds were studied with respect to the nonreactive toxic effects on th...
Involvement of genes of the two-step protein secretion pathway in the transport of the manganese-oxidizing factor across the outer membrane of Pseudomonas putida strain GB-1
Involvement of genes two-step protein secretion pathway transport manganese-oxidizing factor Pseudomonas putida strain GB-1
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2012/4/1
Microorganisms can accelerate the rate of Mn21 oxidation by up to five orders of mag-nitude compared to abiotic Mn21 oxidation. Mn21 oxidation in Pseudomonas putida strain GB-1 involves an enzyme inco...