Fig. 2: Chemically specific MIR near-field imaging of nanoscale lipid vesicles. | Nature Communications

Fig. 2: Chemically specific MIR near-field imaging of nanoscale lipid vesicles.

From: Transient infrared nanoscopy resolves the millisecond photoswitching dynamics of single lipid vesicles in water

Fig. 2

S-SNOM optical amplitude (s2) (a) and phase images (φ2) (b) of several lipid vesicles suspended in D2O measured at 1730 cm−1 at the carbonyl resonance (see Fig. 1f), scale bars 5 μm, acquisition duration 12 min. c Enlarged phase images (φ2) of four differently sized lipid vesicles, scale bars 300 nm. d Extracted profiles along lines drawn in (c), with full widths at half maximum (FWHM) and error margins determined by Gaussian fits (not shown).

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