Enzyme Degassing for Oxygen-Sensitive Reactions in Open Vessels of an Automated Parallel Synthesizer: RAFT Polymerizations.

Enzyme Degassing for Oxygen-Sensitive Reactions in Open Vessels of an Automated Parallel Synthesizer: RAFT Polymerizations.
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自动并行合成器开放容器中氧敏感反应的酶脱气:RAFT 聚合

DOI:
10.1021/acscombsci.9b00082
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发表时间:
2019
影响因子:
--
通讯作者:
S. H. Thang
S. H. Thang
中科院分区:
化学3区
文献类型:
--
作者:
M. Wang;J. Zhang;C. Guerrero-Sanchez;U. S. Schubert;A. Feng;S. H. Thang

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一种用于耐氧聚合的酶脱气方法在商用自动并行合成器中实现,并在开式容器中进行了可逆加成-断裂链转移(RAFT)聚合测试。为此,使用了最近报道的一种方法,该方法使用葡萄糖氧化酶(Gox)来耗尽反应介质中的氧气。通过将实验结果与类似实验条件下的实验结果进行比较,证明了该方法在开式容器中进行无人值守平行聚合反应的有效性,但使用了常见的喷气脱气方法来脱氧。所提出的实验技术在进行RAFT聚合时表现出良好的精密度和对所获得的聚合物的良好控制,并且可以很容易地适应于其他强制除氧的系统。这种替代的高通量/高产出方法可能有可能提高涉及耐氧反应的研究项目的生产率。
An enzyme degassing method for oxygen-intolerant polymerizations was implemented in a commercially available automated parallel synthesizer and tested for reversible addition–fragmentation chain transfer (RAFT) polymerizations performed in open vessels. For this purpose, a recently reported methodology that employs the enzyme glucose oxidase (GOx) to deplete oxygen in reaction media was utilized. The effectiveness of this approach to perform unattended parallel polymerization reactions in open vessels was demonstrated by comparing experimental results to those obtained under similar experimental conditions but utilizing the common degassing method of sparging N2to remove oxygen. The proposed experimental technique displayed good precision in performing RAFT polymerizations and good control of the obtained polymers and could be easily adapted to other systems where the removal of oxygen is mandatory. This alternative high-throughput/high-output method may have the potential to increase productivity in research projects where oxygen-intolerant reactions are involved.
丙烯酸 1-乙氧基乙酯的 RAFT 聚合:近单分散聚丙烯酸和衍生嵌段共聚物结构的新途径。
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