Title Page
Contents
LIST OF ABBREVIATIONS 11
ABSTRACT 12
Ⅰ. INTRODUCTION 14
Ⅱ. RESULTS 18
2.1. Magnetically functionalized hydrogel 18
2.1.1. Design 18
2.1.2. Characterization 22
2.2. Optically functionalized hydrogel 29
2.2.1. Design 29
2.2.2. Characterization 38
Ⅲ. MATERIALS AND METHODS 54
3.1. Materials 54
3.2. Preparation of Stimuli-responsive Hydrogel 54
3.3. Preparation of Silicone elastomer 55
Ⅳ. DISCUSSION 58
4.1. Future work of magnetically functionalized hydrogel 58
4.2. Future work of optically functionalized hydrogel 58
Ⅴ. CONCLUSION 60
REFERENCES 62
ABSTRACT IN KOREAN 66
Figure 1. Functionalized hydrogel and their applications 17
Figure 2. Schematic illustration of the ferrogel-based wireless acousto-biochemical sensor 19
Figure 3. Dual sensing ultrasonic sensor design and operation principle 21
Figure 4. Characterization of the dual pressure and pH sensing 24
Figure 5. Ultrasonic excitation of the dual sensing ultrasonic sensor 26
Figure 6. Dual sensing ultrasonic sensor 28
Figure 7. Solvent selection for gold nanoparticle embedment in silicone elastomer 32
Figure 8. Bending stiffness of silicone elastomer 35
Figure 9. Fabrication process of the gold nanoparticle embedded soft actuators 37
Figure 10. Insulation of light responsive actuator 40
Figure 11. Photothermal characterization of the light-responsive soft actuator 42
Figure 12. Heat transfer of metal nanoparticle embedded silicone elastomer 44
Figure 13. Wavelength dependent actuation of metal nanoparticle embedded actuator 47
Figure 14. Light driven actuation of the gold nanoparticle embedded light-responsive soft actuator 50
Figure 15. Metal nanoparticle embedded light responsive soft actuator 53
Figure 16. Printability of silicone elastomer 57