A Green Photoregulated Quadruple‐Action Selenium Nanozyme Platform for Rapid and Ferroptosis‐Like‐Enhanced Photodynamic Bacterial Killing with Integrated Biosensing Capabilities

⁺ (limit of detection: 2.3 µm) and ascorbic acid (limit of detection: 2.59 µm). This light-empowered, ferroptosis-like-enhanced selenium nanozyme thus establishes a new paradigm for rapid, multimodal antibacterial action integrated with diagnostic capabilities for intelligent healthcare and personalized medicine.