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Construction and Characterization of DNA Origami Structures Used as Templates for Assembly of Gold Nanoparticles

摘要第7-9页
ABSTRACT第9-10页
ACKNOWLEDGEMENTS第11-13页
TABLE OF CONTENTS第13-17页
LIST OF FIGURES第17-20页
LIST OF TABLES第20-21页
1. Introduction第21-27页
    1.1 Introduction第21-25页
    1.2. Dissertation organization第25-27页
2. Physical and Chemical properties of DNA第27-41页
    2.1. What is DNA?第27-34页
    2.2. Chemical structure of DNA第34-36页
    2.3. Physical structure of DNA第36-38页
    2.4. UV-vis spectroscopy第38-41页
3. Using DNA as a structural material第41-55页
    3.1. DNA Nanotechnology第41页
    3.2. Using DNA to design nanostructures第41-44页
    3.3. DNA Origami第44-46页
    3.4. caDNAno第46-55页
4. caDNAno designed novel DNA origami structures第55-83页
    4.1. 3D DNA origami 'roller' structure第55-74页
        4.1.1. Materials and methods第55-62页
            4.1.1.1. Chemicals and supplies第55-56页
            4.1.1.2. Conversions and Calculations第56-60页
            4.1.1.3. Folding and purification of DNA origami shapes第60-61页
            4.1.1.4. AFM imaging第61页
            4.1.1.5. TEM imaging第61-62页
        4.1.2. 3D DNA origami roller structure design第62-65页
        4.1.3. Results and discussions of 3D DNA origami roller structure design第65-74页
    4.2. 3D DNA origami cross-like structure第74-83页
        4.2.1. Design第74-78页
        4.2.2. Experimental preparations第78-80页
            4.2.2.1. Conversions and Calculations第78-80页
        4.2.3. Materials and Methods第80页
            4.2.3.1. Chemicals and supplies第80页
            4.2.3.2. Folding and purification of DNA origami cross-like shapes第80页
            4.2.3.3. AFM imaging第80页
            4.2.3.4. TEM imaging第80页
        4.2.4. Results and discussions of 3D DNA origami cross-like structure第80-83页
5. DNA origami mediated assembly of ordered Gold Nanoparticles第83-116页
    5.1. Using DNA to mediate nanoparticles assemblies第83-85页
    5.2. C-shape AuNPs structure第85-99页
        5.2.1. Materials and methods第85-93页
            5.2.1.1. Materials第85页
            5.2.1.2. Experimental Methods第85-93页
                5.2.1.2.1. Phosphination and concentration of AuNPs第85-86页
                5.2.1.2.2. Preparation of AuNP-DNA conjugates第86-90页
                5.2.1.2.3. Self-assembly of DNA origami roller template第90-91页
                5.2.1.2.4. Purification of origami samples and annealing of origami-AuNPs complexes第91页
                5.2.1.2.5. UV-visible measurement第91-92页
                5.2.1.2.6. TEM imaging第92-93页
        5.2.2. Results and Discussion第93-99页
    5.3. Metallization of cross-like structure第99-107页
        5.3.1. Design of AuNPs attachment sites第99-101页
        5.3.2. Experimental Methods第101-102页
            5.3.2.1. Phosphination and concentration of AuNPs第101-102页
            5.3.2.2. Preparation of AuNP-DNA conjugates第102页
            5.3.2.3. Self-assembly of DNA origami cross-like template第102页
            5.3.2.4. Purification of origami samples and annealing of origami-AuNPs complexes第102页
            5.3.2.5. TEM imaging第102页
        5.3.3. Results and Discussion第102-107页
    5.4. Connecting DNA origami structures into designed networks第107-116页
        5.4.1. Biotin-Streptavidin interaction第107-108页
        5.4.2. Connecting two cross-like structures第108-113页
            5.4.2.1. Design of connecting sites第108-109页
            5.4.2.2. Extending the cross-like structure第109-113页
        5.4.3. Using the cross-like structure to organize DNA origami AuNP helices第113-116页
6. Conclusions and future directions第116-119页
Appendix 1第119-135页
References第135-149页
Citations to published work第149页

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