High-speed label-free functional photoacoustic microscopy of mouse brain in action.
We present fast functional photoacoustic microscopy (PAM) for three-dimensional high-resolution, high-speed imaging of the mouse brain, complementary to other imaging modalities. We implemented a single-wavelength pulse-width-based method with a one-dimensional imaging rate of 100 kHz to image blood oxygenation with capillary-level resolution. We applied PAM to image the vascular morphology, blood oxygenation, blood flow and oxygen metabolism in both resting and stimulated states in the mouse brain.
Yao, J; Wang, L; Yang, J-M; Maslov, KI; Wong, TTW; Li, L; Huang, C-H; Zou, J; Wang, LV
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