在升高的CO2压力下,在水性三甲胺中酶为Resorcinol的酶为氧化
Daniel Ohde1, Benjamin Thomas1, Paul Bubenheim1
1Institute of Technical Biocatalysis, Hamburg University of Technology, 21073 Hamburg, Germany.
Molecules (Basel, Switzerland)
|January 11, 2024
概括
碳酸生产的酶二氧化碳 (CO2) 固定受不利的平衡阻碍. 高的二氧化碳压力抑制了酶活性,降低了产量,使得较低的压力对生物转化更有效.
科学领域:
- 生物技术是生物技术.
- 生物催化剂是一种生物催化剂.
- 绿色化学 绿色化学
背景情况:
- 酶式碳氧化提供了一种碳循环的途径,通过将二氧化碳转化为有价值的碳酸.
- 酶性二氧化碳固定的热力学限制需要使用高二氧化碳可溶性溶剂等策略,以提高基质的可用性和转化.
- 氨基,如三甲胺,是有效的溶剂增加溶解的二氧化碳度,促进酶反应.
研究的目的:
- 为了研究二氧化碳 (CO2) 压力升高对树脂的酶性炭化作用的影响.
- 确定最佳的二氧化碳压力范围,以最大限度地提高酶生物转化产量和生产率.
- 探索现场产品沉作为一种提高反应产量的方法.
主要方法:
- 在不同CO2压力下 (高达1100kPa) 使用triethanolamine作为溶剂进行酶性氧化Resorcinol.
- 对反应平衡的分析与二碳酸盐度相关.
- 在不同CO2压力下评估酶活性和生产力.
- 在现场测试产品沉,使用四甲.
主要成果:
- 发现反应产量与二碳酸盐度相关,但由于酶抑制,在CO2压力超过100kPa时显著降低.
- 升高的二氧化碳压力导致酶活性和整体生产率下降,尽管转化率略有改善.
- 使用四甲的现场产品沉被探索为一种提高反应产量的策略.
结论:
- 高二氧化碳压力 (超过100kPa) 对素的酶性氧化有反作用,导致酶抑制,这可能是由加剧的二氧化碳基化引起的.
- 最佳的二氧化碳压力对于高效的生物转化至关重要,环境条件比高压能产生更高的结果.
- 需要对现场产品沉等策略进行进一步的研究,以克服热力学限制,并通过酶 CO2 固定来增强碳酸生产.
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