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基于聚多巴胺的功能化磁性纳米粒子的制备及应用

摘要第3-7页
abstract第7-9页
Chapter 1 Literature review第12-34页
    1.1 Overview of magnetic solid-phase extraction第12-19页
        1.1.1 Introduction of solid-phase extraction第12-13页
        1.1.2 Magnetic nanoparticles第13-17页
        1.1.3 Principle of magnetic solid-phase extraction第17-18页
        1.1.4 Characteristics of magnetic solid phase extraction第18-19页
    1.2 Application of functionalized magnetic nanoparticles in MSPE第19-24页
        1.2.1 Carbon nanomaterials第20-22页
        1.2.2 Ionic liquid第22-23页
        1.2.3 Metal-organic frameworks第23-24页
    1.3 Application of polydopamine in surface modification第24-31页
        1.3.1 Mechanism of formation of polydopamine第25-27页
        1.3.2 Direct modification by polydopamine第27-29页
        1.3.3 Further functionalization of the surface by PDA layer第29-31页
    1.4 Endocrine disrupting chemicals第31-32页
    1.5 Significance of the subject第32-34页
Chapter 2 Preparation of gold-modified magnetic nanoparticles for magnetic solid-phase extraction of steroid analytes in multiple samples第34-66页
    2.1 Introduction第34-38页
    2.2 Experimental第38-46页
        2.2.1 Chemicals and reagents第38-39页
        2.2.2 Instrumentation第39-40页
        2.2.3 Preparation of gold-modified magnetic nanoparticles第40-42页
        2.2.4 Characterization of gold-modified Fe_3O_4 nanoparticles第42-43页
        2.2.5 Preparation of experimental solutions and real samples第43-44页
        2.2.6 Recommended magnetic solid-phase extraction procedure第44-45页
        2.2.7 Adsorption kinetics study of Fe_3O_4@PDA@Au第45页
        2.2.8 HPLC analysis of steroid hormones第45-46页
    2.3 Results and discussion第46-65页
        2.3.1 Characterization of gold-modified Fe_3O_4 nanoparticles第47-53页
        2.3.2 The effect of immobilization of Au NPs on Fe_3O_4@PDA第53-54页
        2.3.3 Optimization of magnetic solid-phase extraction parameters第54-58页
        2.3.4 Reusability of Fe_3O_4@PDA@Au NPs第58-59页
        2.3.5 Method validation第59-60页
        2.3.6 Application to real matrices第60-62页
        2.3.7 Adsorption kinetics第62-65页
    2.4 Conclusion remarks第65-66页
Chapter 3 Synthesis of gold-modified magnetic nanocomposite using branched polyethyleneimine as multi-functional agent第66-80页
    3.1 Introduction第66-68页
    3.2 Experimental第68-73页
        3.2.1 Chemicals and reagents第68-69页
        3.2.2 Instrumentation第69-71页
        3.2.3 Preparation of magnetic composites第71-72页
        3.2.4 Characterization of Fe_3O_4@PDA@PEI@Au nanoparticles第72-73页
    3.3 Results and discussion第73-78页
        3.3.1 SEM第73-74页
        3.3.2 EDX spectrum第74-75页
        3.3.3 X-ray diffraction pattern第75-76页
        3.3.4 Magnetic property第76-77页
        3.3.5 Zeta potential determination第77-78页
    3.4 Conclusion remarks第78-80页
Chapter 4 Conclusion and prospect第80-82页
References第82-94页
Notes on publications and participation in scientific research第94-96页
Acknowledgements第96页

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