酶催化剂
- 网络enzyme catalyst;enzyme catalysis
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综述了耦合固定化酶催化剂研究中的一些方法,比较了各种方法的特点和应用情况。
Several co-immobilization methods for enzyme catalysts were reviewed and compared .
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分子印迹聚合物模拟酶催化剂的设计合成
Progress in Study on Molecular Imprinting Polymers as Enzyme-mimic Catalyst
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酶催化剂的固定化研究及其在催化反应中的应用
Immobilization Study on Enzyme Catalysts and Applications in Catalyzed Reaction
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取代金属卟啉类模拟酶催化剂的设计、合成和表征
Design , Synthesis and Characterization of Metal Porphyrins as Biomimetic Catalysts Immobilized enzymes
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酶催化剂耦合固定化技术的研究进展
Latest researches in co-immobilization technology for enzyme catalysts
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金属酶催化剂在废水厌氧处理中的应用
Metal Enzymatic Catalyst Application in Wastewater Anaerobic Treatment
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金属卟啉类模拟酶催化剂研究
Research of Metalloporphyrins as Mimic Enzyme Catalysts
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这一观点是通过寻求与酶催化剂在结构上和催化功能上的类似点而得出的。
This point of view is deduced by tracing analogies with the chemistry of enzyme catalysts , focussed largely on their molecular structure and catalytic behaviour .
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开展分子印迹模拟酶催化剂的设计与合成研究,有助于认识天然酶的结构,受体-抗体作用机理,该研究又有重要的理论意义。
The design and synthesis of molecularly imprinted mimic enzymatic catalysts are beneficial to the research of the structure of enzyme , mechanism of receptor-antibody and analytical chemistry .
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其主要用途之一是作为生物模拟酶催化剂催化氧气液相选择性氧化饱和烃、芳烃及其侧链使之功能化。
They are widely used in many fields , especially as biomimetic catalysts that catalyze the selective oxidation functionalization of saturated hydrocarbons , aromatic hydrocarbons and their side chains with dioxygen .
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通过实验考察酶催化剂的种类、反应温度、反应时间、反应配比等反应条件对水解及季铵化过程的影响,得到一条切实可行且相对高效的合成路线。
In order to find a suitable routine for this synthesis , various different factors were considered such as the category of catalysts , reaction temperature , reaction time , raw material mol ratio .
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利用分子印迹方法制备的聚合物模拟酶催化剂,预期具有抗恶劣环境、高稳定、长寿命、制备简单、形状多样化等特点,能克服天然酶的一些缺点。
Simulation enzyme catalysts which were prepared by molecularly imprinted methods have characteristics of resistance to bad environment , high stability , long life , simple preparation , various forms , overcome some shortcomings of natural enzymes .
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金属催化剂底物广泛、配体灵活,但价格比较昂贵、反应条件苛刻;酶催化剂虽然选择性高、活性好,但底物范围较窄,结构难于修饰。
Organometallic catalysts , often expensive , toxic and with harsh reactions conditions , can mediate a wide range of substrates with variable ligands . Enzymatic catalysis has relatively high selectivity and reactivity , but the scope of substrates is limited .
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应用印迹催化剂不仅可以部分替代相应天然酶催化剂,而且可适用于恶劣环境中,从而拓展了原有天然材料的适用范围,因此具有很好的应用前景。
Application of imprinted catalyst can not only partly replace the corresponding natural enzyme catalysts , but suite severe environments , which largely expanded the scope of the original natural materials . Therefore , it will be found wide application in the future .
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介绍了在温和条件下烷烃的液相氧化进展,包括利用有机过氧化物、臭氧、过氧化氢、氧气和空气为氧化剂,利用均相催化剂、多相催化剂和模拟酶催化剂组成的催化氧化体系。
The development of liquid-phase oxidation of alkane under mild conditions was introduced , which includes the utilization of oxidants such as organic peroxide , ozone , hydrogen peroxide , molecular oxygen and air , and catalytic oxidative systems such as homogeneous , heterogeneous , and mimetic peroxidase catalytic systems .
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可以断言ribozyme并非唯一的非酶生物催化剂。
In conclusion , ribozyme is not the only non - enzyme biocatalyst .
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Ribozyme是唯一的非酶生物催化剂吗?
Is ribozyme the only non enzyme biocatalyst ?
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通过对多种预处理和提取方法的对比选择出了优化的制备方法。利用酸和酶作为催化剂研究了ASC的水解与产物分子量之间的关系。
The extraction method has been optimized and hydrolysates are obtained by acid and enzymatic hydrolysis . The relationship between hydrolysis process and average molecular weight ( MW ) of the hydrolysate has been investigated .
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用酶作催化剂合成乙酸异戊酯
The Synthesis of Isoamyl Acetate Using Enzyme as Catalyst
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由根霉PW358经固态发酵生产脂肪酶,以此酶为催化剂,在非水介质中合成了丁酸异戊酯。
The Rhizopus sp.PW358 lipase catalyzed synthesis of isoamyl valerate in organic solvents was studied , and the optimum condition for the esterification was acquired .
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近年来,分子印迹技术受到了广泛的关注,并已在色谱填料,人工受体,酶模拟催化剂,以及传感器领域获得了广泛应用。
Much more attention has been paid to this technique in recent years . Molecularly imprinted polymers ( MIPs ) have been applied to chromatographic stationary phase , artificial antibodies , catalysts , sensors and drug assay tools .
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杯芳烃可以作为相转移催化剂,也可以模拟生物酶并且作为催化剂时有时有立体选择性。
The calixarenes can be used as phase-transfer catalyst or limnetic enzymes .
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指出了固氮酶与铁催化剂在配位络合和催化作用的密切关系。
The intimate relation between coordination and catalysis for both nitrogenase and iron catalysts are pointed out .
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酶作为生物催化剂,具有高催化效率,专一性强,反应条件温和及酶活性可以调控。
As biocatalysts , enzyme is characterized in high catalytic efficiency , high specificity , mild reactive conditions and controllable activity .
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酶作为生物催化剂具有反应条件温和、立体选择性高、便于分离和环境友好等优点引起越来越多的化学家的关注,被广泛的应用于有机合成反应中。
Enzymes have been given special attention and developed rapidly in organic synthesis due to its intrinsic advantages such as mild reaction conditions , simple separation and environment-benign .
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酶作为生物催化剂,因具有专一性强、催化效率高、反应条件温和等特点,长期以来,受到世界各国重视;
As one of the biocatalyst , enzyme have excellent properties of high selectivity and specificity , activity , reaction conditions are moderate , many countries have paid great attention for a long time .
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本文主要对生物转化中的Baeyer-Villiger氧化反应在利用酶或细胞作为催化剂时存在的问题和解决方法以及基因技术的运用近况进行了综述。
This article mainly summarizes the state-of-the-art situation for the problem and solutions when isolated enzymes or intact cells are used as catalysts in Baeyer-Villiger oxidations as well as the application of gene technology in Baeyer-Villiger oxidations .
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本文概述了模拟酶结构建立氧化催化剂模型的设计,提出了几种模型的结构。
This article reviews the catalyst models design of mimic enzymes structure , display a few models structure .
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耐热酶不仅具有化学催化剂无法比拟的优点,如催化效率高和底物专一性强,而且酶在高温条件下的稳定性极好。
Thermostable enzymes are not only far superior to chemical catalyst in catalytic efficiency and substrate specificity , but have excellent stability under the condition of high temperature as well .
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本论文构建的生物质燃料电池成本低廉,且性能优于目前已报道的以酶或微生物为催化剂的生物质燃料电池,有望推动生物燃料电池的商业化应用。
Its performance is higher than most of the existing biomass fuel cell such as enzymatic fuel cells and MFCs . It is expected to promote the commercialization of bio-fuel cell application .