• Ultrasonic Indexed Modulation and Multiple Access for Intra-Body Networks

• Ultrasensitive PEC cytosensor for breast cancer cells detection and inhibitor screening based on plum-branched CdS/Bi2S3 heterostructures

• Ultrafast and Multicolor Luminescence Switching in a Lanthanide- Based Hydrochromic Perovskite

• Ultrasensitive Detection of SARS-CoV-2 by Flexible Metal Oxide Field-Effect Transistors

• Ultrathin Ruthenium Nanosheets with Crystallinity-Modulated Peroxidase-like Activity for Protein Discrimination

• Ultrahigh energy storage density in Ba0.85Ca0.15Zr0.1Ti0.9O3-based lead-free ceramics by introducing a relaxor end-member

• Ultra-sensitive refractive index sensing enabled by a dramatic ellipsometric phase change at the band edge in a one-dimensional photonic crystal

• Ultra-broadband high-efficiency circular polarization conversion and terahertz wavefront manipulation based on an all-metallic reflective metasurface

• Ultra-wideband polarization- and angle-insensitive metamaterial absorber based on multilayer resistive ink

• Ultrahigh oxygen-doped carbon quantum dots for highly efficient H2O2 production via two-electron electrochemical oxygen reduction