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Qualitative and quantitative relationships between affinity constants from model study and real adsorption data
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  • 分类:O647.3[理学—物理化学;理学—化学] S852.4[农业科学—基础兽医学;农业科学—兽医学;农业科学—畜牧兽医]
  • 作者机构:[1]Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University,Tianjin 300071, China
  • 相关基金:The authors express their great thanks to Prof. LIU Yu of Nankai University for his help in fluorescence titration and LUO Zhaofeng of University of Science and Technology of China for his help in the ITC testing. This work was supported by the National Natural Science Foundation of China (50573034 and 20634030) and Specialized Research Fund for the Doctoral Program of Higher Education (20090031120020).
中文摘要:

生象他们的相应吸附物的一样的功能的组的线性聚合物能被用作模型学习吸附行为。然而,在从模型学习和真实吸附的数据之间的关系充分没被解释。在这个工作,三吸附物(CP1-Zn2+ , CP2-Zn2+ 和 CP3-Zn2+) 和他们的相应线性模型(P1-Zn2+ , P2-Zn2+ 和 P3-Zn2+) 被综合。亲密关系常数(K 一) 在这些模型和目标肽之间, DFLAE (DE5 ) 被等温的滴定热量测定(ITC ) 获得。吸附能力和吸附亲密关系被静态的吸附和吸附等温线执行。在从模型学习和真实吸附数据的亲密关系常数之间的质、量的关系被探索。这研究是重要的与真实吸附衔接模型学习。

英文摘要:

Linear polymers bearing the same functional groups as their corresponding adsorbents could be used as models to study the ad- sorption behaviors. However, the relationships between the data from model study and real adsorption have not been fully interpreted. In this work, three adsorbent (CPI-Zn2+, CP2-Zn2+ and CP3-Zn2+) and their corresponding linear models (P1-Zn2+, P2-Zn2+ and P3-Zn2+) were synthesized. The affinity constants (Ka) between these models and target peptide DFLAE (DES) were obtained by isothermal titration calorimetry (ITC). Adsorption capacities and adsorption affinities were carried out by static adsorption and adsorption isotherm. The qualitative and quantitative relationships between affinity constants from model study and the real adsorption data were explored. This study was significant to bridge the model study with the real adsorption.

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