Fig. 4 | Scientific Reports

Fig. 4

From: Biomimetics through bioconjugation of 16-methylheptadecanoic acid to damaged hair for hair barrier recovery

Fig. 4

TOF-SIMS measurements. a TOF-SIMS spectra in negative ion mode for 18-MEA damaged hair, 16-MHA bioconjugated hair upon 18-MEA damaged hair, and 16-MHA applied without bioconjugation to 18-MEA damaged hair. All hair samples were washed 5 times with surfactant after treatment. Filled circle: 16-MHA; filled reverse triangle: 18-MEA. The inset is a magnified portion of the mz 312.3 region reflecting 16-MHA. b TOF-SIMS images of total ions (top) and 16-MHA in the hair samples (bottom). The bright color indicates the investigated ions of 16-MHA.

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