High-speed label-free functional photoacoustic microscopy of mouse brain in action
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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.
author list (cited authors)
Yao, J., Wang, L., Yang, J., Maslov, K. I., Wong, T., Li, L., ... Wang, L. V.