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Novel dichroism photoacoustic microscopy visualizes molecular composition in engineered tissues, suggesting improved histopathology methods.
By combining mid-infrared excitation with polarization-resolved photoacoustics, Park et al. introduce a novel label-free approach to visualize both molecular composition and fiber alignment in engineered tissues. This dual-contrast framework, termed MIR-DS-PAM, offers a new path toward analytical, quantitative histopathology.
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McGarraugh et al. (2026) studied this question.
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