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Cover -- Half Title -- Title Page -- Copyright Page -- Dedication -- Contents -- Preface -- SECTION I: Introduction -- CHAPTER 1: Introduction to Collective Behaviors of Micro/Nanorobots -- 1.1. INTRODUCTION -- 1.2. EXTERNAL FIELD-DRIVEN PATTERN FORMATION AND NAVIGATION -- 1.2.1. Magnetically Driven Microswarms -- 1.2.2. Light-Driven Microswarms -- 1.2.3. Acoustic Wave-Driven Microswarms -- 1.2.4. Electric Field-Driven Microswarms -- 1.2.5. Hybrid Fields-Driven Microswarms -- 1.3. SWARM TRANSFORMATION UNDER DIFFERENT DRIVEN FIELDS -- 1.4. BIOMEDICAL APPLICATIONS OF MICROSWARMS -- 1.4.1. Targeted Drug Delivery -- 1.4.2. Hyperthermia -- 1.4.3. Imaging and Sensing -- 1.4.4. Thrombolysis -- 1.5. SUMMARY AND OUTLOOK -- BIBLIOGRAPHY -- SECTION II: Collective Control -- CHAPTER 2: Disassembly and Spreading of Collective Nanoparticle Chains for Microrobotic Delivery -- 2.1. INTRODUCTION -- 2.2. MATHEMATICAL MODELING AND SIMULATION -- 2.2.1. Spreading -- 2.2.2. Fragmentation -- 2.2.3. Disassembly -- 2.2.4. Assembly -- 2.3. MAGNETIC ACTUATION SETUP AND NANOPARTICLES -- 2.3.1. Hardware for Magnetic Actuation -- 2.3.2. Synthesis of Paramagnetic Nanoparticles -- 2.3.3. Gathering of Paramagnetic Nanoparticles -- 2.4. CHALLENGE AND DISCUSSION -- 2.4.1. Design of the Dynamic Magnetic Field (DMF) -- 2.4.2. Validation of the Disassembly and Spreading Strategy on a Flat Surface -- 2.4.3. Validation of the Disassembly and Spreading Strategy on Patterned Surfaces -- 2.4.4. Ex Vivo Validation on the Surface of Bladder with Ultrasound Imaging Guidance -- 2.5. CONCLUSION -- BIBLIOGRAPHY -- CHAPTER 3: Adaptive Pattern and Motion Control of Collective Nanoparticles -- 3.1. INTRODUCTION -- 3.2. GENERATION AND RECONFIGURATION OF AN EPNS -- 3.2.1. Elliptical Magnetic Field -- 3.2.2. Reconfiguration Stage I: Fluidic-Induced.