生物电化学系统中的Actinobacillus succinogenes:电潜和碳织物电极对发酵性能的影响
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在PubMed上查看摘要
概括
此摘要是机器生成的。在生物电化学系统中应用过度负电位会阻碍Actinobacillus succinogenes的糖酸盐生产. 这项研究强调了优化电化学条件的必要性,以提高生物技术中的酸盐产量.
科学领域
- 生物技术
- 电化学
- 微生物发酵
背景情况
- 生物电化学系统 (BES) 提供了一种使用Actinobacillus succinogenes增强糖酸盐生产的方法.
- 优化氧化还原平衡和二氧化碳利用是生物技术中的关键目标.
研究的目的
- 研究各种碳织物电极和应用潜力的A.succinogenes发酵过程中的产品分布.
- 确定最佳的电化学条件,以最大限度地提高BES中的酸盐产量.
主要方法
- 用不同的碳织物电极在BES中发酵A.succinogenes.
- 应用电位的系统变化,包括超出水电解值的变化.
- 使用分析技术分析产品分布 (乳酸盐,乳酸盐).
主要成果
- 之前发现 - 600 mV至 - 800 mV之间的电位会增加酸盐的产生.
- 更多的负电位 (-800mV及以上) 导致酸盐产量下降 (19.76~14.1g/L),乳酸盐增加 (0.59~3.12g/L).
- 观察到的代谢转变归因于应用潜力和演变对细胞内氧化还原平衡的影响,而不是氧化形成.
结论
- 电发酵中的极度负面应用潜力可能会对酸盐产量产生负面影响.
- 微调电化学参数,特别是应用潜力,对于优化BES中的生物技术酸盐生产至关重要.
- 了解外部潜力,进化和微生物代谢之间的相互作用对于工艺设计至关重要.
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