SPIFFI enables single-shot super-resolution and multidimensional imaging.

SPIFFI achieves instant super-resolution and six-dimensional imaging from a single exposure, enabling real-time volumetric live-cell microscopy with enhanced spatial detail.

• Why it matters: Current wide-field super-resolution techniques often sacrifice temporal resolution, limiting the ability to observe rapid biological processes in living systems, which hampers understanding of dynamic cellular events.
• What they did: The authors developed SPIFFI, a multichannel polarimetric method that exploits polarization-dependent fluorescence fluctuations and smaller point spread functions, capturing six-dimensional data in one shot across fixed and live cells.
• The result: SPIFFI enables high-throughput, real-time super-resolution imaging of subcellular dynamics, facilitating detailed multidimensional studies and advancing biological research by overcoming previous resolution and speed limitations.