声明
摘要
ABSTRACT
CONTENTS
CHAPTER 1 INTRODUCTION AND BACKGROITND
1.1 Polymer Brushes
1.2 Binary Polymer Brushes
1.3.1 Oppositely Charged Binary Polymer Brushes
1.3.2 PE/Hydrophobic Binary Polymer Brushes
1.3.3 PE/Hydrophilic Binary Polymer Brushes
1.4 Poly(2-oxazoline)s(POXs)
1.4.2 Cationic Ring-Opening Polymerization(CROP)
1.4.3 CROP of Oxazolines
1.4.4 Advantages of POXs
1.5 Surface Modification
1.5.1 Pattering via “Grafting from” Method
1.5.2 Pattering via “Grafting onto/to’’ Method
1.6 Objeetive of This Thesis
References
CHAPTER 2 CHARACTERIZATION OF BIOMATERIAL SURFACES
2.1.1 Surface Element Composition Determined Using XPS
2.1.2 Surface Mass Percentage Calculation Using XPS
2.2 Quartz Crystal Microbalance with Dissipation Monitoring(QCM-D)
2.2.1 Working Principle of QCM-D
2.2.2 Sauerbrey Model and Interpretation of Dissipation
References
CHAPTER 3 CONTROLLED PROTEIN ADSORPTION ON PMOXA/PAA BASED CoATINGS BY THERMAL INDUCED IMMOBILIZATION
3.1 Introduction
3.2.1 Materials
3.2.2 Synthesis of PMOXA-r-GMA
3.2.3 Synthesis of PAA-b-PGMA
3.2.4 General Proeedure for Surface Modification
3.3 Characterizations
3.3.1 Nuclear Magnetic Resonance(NMR)
3.3.2 Gel Permeation Chromatography(GPC)
3.3.3 Fourier Transform Infrared Spectroscopy(FT-IR)
3.3.5 Variable Angle Spectroscopic Ellipsometer(VASE)
3.3.6 Atomic Force Microscopy(AFM)
3.4.1 Hydrophilicity
3.4.2 Thickness
3.4.3 FITC-BSAAdsorption Assay
3.4.4 QCM-D Studies
3.5 Results and Discussion
3.5.1 Synthesis of Polymers
3.5.2 Characterization of Polymer Modified Surfaces
3.5.3 Switchable Properties
3.6 Conclusion
References
CHAPTER 4 REVERSIBLE PROTEIN ADSORPTION ON PMOXA/PAA BASED COATINGS:ROLE OF PAA
4.1 Introduction
4.2 Experimental
4.2.1 Materials
4.2.2 Synthesis of PMOXA-r-GMA
4.2.3 Synthesis of PAA-b-PGMA
4.2.4 Surface Modification Procedure
4.3 Characterizations
4.3.1 Nuclear Magnetic Resonance(NMR)
4.3.2 Gel Permeation Chromatography(GPC)
4.3.3 X-ray Photoelectron Spectrometer(XPS)
4.3.4 Variable Angle Spectroscopic Ellipsometer(VASE)
4.3.5 Atomic Force Microscopy(AFM)
4.4 Switchable Properties
4.4.1 Hydrophilicity
4.4.2 Thickness
4.4.3 Protein Adsorption Test
4.5 Results and discussion
4.5.1 Synthesis of Polymers
4.5.2 Surface Modification
4.5.3 The Switchable Behaviour of Brushes
4.5.4 Protein Adsorption Studies
4.6 Conclusions
References
CHAPTER 5 OVERALL CONCLUSl0N AND FUTURE WORK
5.1 Overall Conclusion
5.2 Future Work
ACKNOWLEDGEMENTS
List of published/accepted articles