Fig. 6: The principle of sample-expansion Raman microscope. | Light: Science & Applications

Fig. 6: The principle of sample-expansion Raman microscope.

From: Far-field super-resolution chemical microscopy

Fig. 6

a Energy scheme for SRS probing of vibrational motion (taking CH3 channel at 2940 cm−1 as an example). Reproduced with permission42. Copyright 2021 Nature Publishing Group. b General sample treatment process of expansion microscopy, including fixation, gelation, and expansion

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