Space-Specific Mixed Excitation Technique for High Signal-to-Noise Ratio Spatial Encoding in Magnetic Particle Imaging Background Introduction Magnetic Particle Imaging (MPI) is an emerging, radiation-free tracer imaging technology that visualizes the spatial distribution of superparamagnetic iron oxide nanoparticles (SPIOs) to achieve high-sensiti...

Hybrid Hydrogel-Magnetic Driven Capsule for Automatic Intestinal Microbiome Sampling Academic Background The gut microbiome is composed of a large and diverse community of microorganisms that significantly impact human health, including conditions such as cancer, diabetes, and inflammatory bowel disease (IBD). Current methods for studying the gut m...