Stimulated Raman scattering (SRS) microscopy is a label-free and noninvasive imaging technique using vibration spectroscopy as the contrast mechanism. Recent advances have allowed significant improvements in sensitivity, selectivity, robustness, and cost reduction, opening a wide range of biomedical applications. In particular, it provides instant tissue examination without the need of previous histological staining, and is best suited for imaging small metabolite molecules. An overview will be given to a variety of biomedical applications of SRS microscopy.
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