• Ultrasensitive detection of HIV DNA using an electrochemical biosensor with branched DNA amplification

• Ultrastable metallic glass by room temperature aging

• Ultrasensitive molecularly imprinted electrochemiluminescence sensor based on enzyme-encapsulated liposome-linked signal amplification for trace analysis

• Ultrahigh electrostrains of lead-free (Ba,Ca)(Ti Zr)O3 piezoelectric ceramics via defect engineering

• Ultrahigh Energy-Storage Performances in Lead-free Na0.5Bi0.5TiO3-Based Relaxor Antiferroelectric Ceramics through a Synergistic Design Strategy

• Ultra-short-term multi-step probability interval prediction of photovoltaic power: A framework with time-series-segment feature analysis

• Ultra-low-dose spectral-detector computed tomography for the accurate quantification of pulmonary nodules: an anthropomorphic chest phantom study

• Ultrasensitive detection of DNA methyltransferase activity: a novel dual-amplification fluorescence technique

• Ultra-fine SnO2 nanocrystals anchored on reduced graphene oxide as a high-performance anode material for sodium-ion batteries

• Ultra-small lipid carriers with adjustable release profiles for synergistic treatment of drug-resistant ovarian cancer