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. 2019 Aug 13;19(16):3536. doi: 10.3390/s19163536

Figure 3.

Figure 3

(A) UV-Vis-NIR spectrum of SWNT/PL-PEG-COOHs in aqueous solution. (BD) STEM, SEM and AFM images of SWNT/PL-PEG-COOHs, respectively. Reprinted with permission from [76]. Copyright 2016 Royal Society of Chemistry.