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镁掺杂及电化学还原对二氧化钛纳米结构生物传感器电极性能影响的研究

中文摘要第6-12页
Abstract第12-14页
Chapter 1 Introduction第18-52页
    1.1 General description on biosensors第18-19页
    1.2 Classification of biosensors第19-24页
        1.2.1 Sensing elements第20-22页
            1.2.1.1 Enzymes第20页
            1.2.1.2 Antibodies第20-21页
            1.2.1.3 Microbe第21-22页
        1.2.2 Transducer elements第22-24页
            1.2.2.1 Electrochemical elements第22-23页
            1.2.2.2 Optical elements第23-24页
            1.2.2.3 Acoustic elements第24页
    1.3 Electrochemical biosensors第24-26页
    1.4 Response characteristics of electrochemical biosensors第26-27页
    1.5 Surface modifications on electrodes of electrochemical biosensors第27-33页
    1.6 TiO_2 and its nanostructures第33-48页
        1.6.1 TiO_2 nanotube第35-37页
        1.6.2 TiO_2 nanodots第37-40页
        1.6.3 TiO_2 nanopowder第40-41页
        1.6.4 TiO_2 nanosheets第41-43页
        1.6.5 TiO_2 nanoparticles第43-45页
        1.6.6 TiO_2 mesoporous第45-46页
        1.6.7 TiO_2 nanorods第46-48页
    1.7 The motivation of the present thesis work第48-49页
    1.8 Objectives of the Study第49页
    1.9 Scope of work and thesis outlines第49-52页
Chapter 2 Experimental第52-62页
    2.1 Materials and reagents第52-54页
    2.2 Experimental methodology第54-55页
    2.3 Preparation of TiO_2 nanostructured films第55-57页
        2.3.1 Preparation of TiO_2 nanodots films第55-56页
        2.3.2 Preparation of Mg-doped TiO_2 nanodots films第56页
        2.3.3 Preparation of anatase TiO_2 nanorods on Ti substrate第56-57页
        2.3.4 Electrochemical reduction pre-treatment第57页
    2.4 Characterizations of Ti02 nanostructured films第57-58页
        2.4.1 Field-emission scanning electron microscope(FESEM)第57页
        2.4.2 Transmission electron microscopy(TEM)第57页
        2.4.3 X-Ray photoelectron spectroscopy(XPS)第57页
        2.4.4 X-ray diffractometer(XRD)第57-58页
    2.5 Assembly of the biosensor electrodes第58-59页
    2.6 Phosphate buffer solution(PBS)preparation第59页
    2.7 Measurement of performances of the biosensor electrodes第59-62页
Chapter 3 Ti02 nanodots modified electrodes and their electrochemical performances第62-70页
    3.1 Introduction第62页
    3.2 Results and discussions第62-68页
        3.2.1 Microstructural characterization of TiO_2 nanodots/Ti substrate第62-63页
        3.2.2 Electrochemical characterization of Nafion/HRP/TND/Ti electrodes第63-64页
        3.2.3 Biosensor performance of the Nafion/HRP/TND/Ti electrodes to H_2O_2第64-66页
        3.2.4 Interferance,selectivity and stability第66-68页
    3.3 Conclusion第68-70页
Chapter 4 Mg doped Ti02 nanodots modified electrodes and their electrochemicalperformance第70-80页
    4.1 Introduction第70页
    4.2 Results and discussion第70-78页
        4.2.1 Microstructures of Mg doped TiO_2 nanodots modified electrodes第70-72页
        4.2.2 Electrochemical behaviors of Mg doped TiO_2 nanodots modified electrodes第72-73页
        4.2.3 Performance of Mg doped TiO_2 nanodots modified electrodes第73-77页
        4.2.4 Interference,selectivity and stability第77-78页
    4.3 Conclusion第78-80页
Chapter 5 Anatase TiO_2 nanorods modified electrodes and their electrochemicalperformance第80-88页
    5.1 Introduction第80页
    5.2 Results and Discussion第80-87页
        5.2.1 Characterization of anatase TiO_2 nanorods modified electrode(TNR-A/Ti)第80-81页
        5.2.2 Electrochemical behaviors of anatase Ti02 nanorods modified electrodes第81-83页
        5.2.3 Performance of anatase Ti02 nanorods modified electrodes第83-85页
        5.2.4 Interference,selectivity and stability第85-87页
    5.3 Conclusion第87-88页
Chapter 6 Influence of electrochemical reduction pre-treatment on performances ofthe biosensor electrodes第88-106页
    6.1 Introduction第88页
    6.2 Results and Discussion第88-104页
        6.2.1 TiO_2 and Mg-doped TiO_2 nanodots modified electrodes第88-96页
            6.2.1.1 Morphology of the electrodes第88-89页
            6.2.1.2 Electrochemical reduction pre-treatment of the electrodes第89-90页
            6.2.1.3 Influence of electrochemical reduction pre-treatment on XPS spectra of the electrodes第90-91页
            6.2.1.4 Electrochemical behaviors of the biosensor electrodes第91-92页
            6.2.1.5 Performance of the biosensor electrodes第92-95页
            6.2.1.6 Selectivity and stability of Nafion/HRP/Ti~(3+)Mg-TND/Ti biosensor第95-96页
        6.2.2 Anatase TiO_2 nanorods modified biosensor electrodes第96-104页
            6.2.2.1 Influence of electrochemical reduction on XPS spectra of the electrode第96-97页
            6.2.2.2 Electrochemical behaviors of the Nafion/HRP/Ti~(3+)-TNR-A/Ti biosensor electrode第97-99页
            6.2.2.3 Performance of the biosensor electrodes第99-102页
            6.2.2.4 Selectivity and stability of Nafion/HRP/Ti~(3+)-TNR-A/Ti biosensor第102-104页
    6.3 Conclusions第104-106页
Chapter 7 Conclusion第106-108页
References第108-124页
Acknowledgement第124-125页
Dedication第125-126页
Personal profile第126-128页
Achievements during doctoral degree research第128页

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