Imaging and Quantification of Secreted Peroxynitrite at the Cell Surface by a Streptavidin–Biotin‐Controlled Binding Probe

The ability to detect and image secreted peroxynitrite (ONOO−) along the extracellular surface of a single cell is biologically significant, as ONOO− generally exerts its function for host defense and signal transductions at the plasma membrane. However, as a result of the short lifetime and fast di...

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