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Fig. 2 | Particle and Fibre Toxicology

Fig. 2

From: Early signs of multi-walled carbon nanotbues degradation in macrophages, via an intracellular pH-dependent biological mechanism; importance of length and functionalization

Fig. 2

Raman spectroscopy analysis of CNT powders. Panel a Typical Raman spectra obtained on S-, SF-, L-, and LF-CNT. Panel b ID/IG ratio calculated from Raman spectra of S-, SF-, L-, and LF-CNT powders. Data are given as mean ± SEM of minimum 5 values. *: p < 0.05 vs non-functionalized counterpart. Abbreviations as in Fig. 1

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