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. Author manuscript; available in PMC: 2017 Jan 26.
Published in final edited form as: ACS Nano. 2015 Dec 11;10(1):499–506. doi: 10.1021/acsnano.5b05438

Figure 5.

Figure 5

Nanotube emission energy response to charge accumulation. (a) ss(AT)15-HiPco nanotubes introduced to 0.5 or 1 M sodium phosphate or potassium pyrophosphate. Nanotube emission energy change (meV) between ionic solutions and deionized water plotted as a function of emission energy (eV). (b) Emission energy change of nanotubes on HeLa cell membranes in a trypsinized state and a native state (red), and emission energy change between 1 M potassium pyrophosphate and deionized water (blue), as a function of nanotube emission energy. Error bars represent S.E.M, n = 3.