Polydopamine Sensors: Polydopamine Sensors of Bacterial Hypoxia via Fluorescence Coupling (Adv. Funct. Mater. 9/2021)

In article number 2007993, Haeshin Lee, Hyun Jung Chung, and co‐workers demonstrate the polydopamine–oxygen relationship using a fluorescence coupling strategy during bacterial growth‐induced hypoxia. With the exponential growth of bacteria, oxygen is consumed and leads to the inhibition of dopamine polymerization, which is directly measured by fluorescent nanoparticle sensors. The current method can be applied as a simple diagnostic assay to detect bacterial growth and antibiotic resistance.