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Physical–chemical analysis and kinetics of the magnetic biocatalyst for 2,3,6,-trimethylphenol oxidation
Reaction Kinetics, Mechanisms and Catalysis ( IF 1.8 ) Pub Date : 2020-03-18 , DOI: 10.1007/s11144-020-01762-3
Olga Grebennikova , Aleksandrina Sulman , Valentina Matveeva , Ester Sulman

In the paper, the synthesis of the magnetic biocatalyst based on immobilized peroxidase is described. This catalyst was tested in the reaction of 2,3,6,-trimethylphenol oxidation with the help of hydrogen peroxide to 2,3,5-trimethylhydrochinone (vitamin E intermediate). In the work, the method for magnetic nanoparticle synthesis was chosen. To characterize the synthesized biocatalyst physical–chemical analysis was carried out: transmission electron microscopy, FTIR spectroscopy, the study of magnetic characteristics with vibration magnetometer, X-ray photoelectron spectroscopy, low-temperature nitrogen adsorption. The optimum conditions for the process of 2,3,6,-trimethylphenol oxidation in the presence of magnetic biocatalyst (the substrate initial concentration, temperature, pH).



中文翻译:

磁性生物催化剂对2,3,6,-三甲基苯酚氧化的物理化学分析和动力学

在本文中,描述了基于固定的过氧化物酶的磁性生物催化剂的合成。在2,3,6,-三甲基苯酚氧化反应的帮助下,利用过氧化氢将该催化剂催化生成2,3,5-三甲基对苯二酚(维生素E中间体)。在工作中,选择了磁性纳米粒子的合成方法。为了表征合成的生物催化剂的理化分析,进行了:透射电子显微镜,FTIR光谱,振动磁力计,X射线光电子能谱,低温氮吸附研究磁性。在磁性生物催化剂存在下,2,3,6,-三甲基苯酚氧化过程的最佳条件(底物的初始浓度,温度,pH)。

更新日期:2020-03-18
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