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. Author manuscript; available in PMC: 2016 May 9.
Published in final edited form as: Nano Life. 2013 Dec 6;4(1):1450002. doi: 10.1142/S1793984414500020

Fig. 2.

Fig. 2

Characterization of CNT–ligand conjugates and aligned CNT substrate. (a) TEM of carboxylated CNTs. (b) TEM image of Geltrex-conjugated CNTs. (c) Fluorescent image of CNT-fBSA conjugation on Au substrate. (d) UV-vis spectrum of CNT, BSA and CNT-BSA conjugates. CNT-protein conjugates and its dispersion confirmed on Au surfaces which allow cell attachment for HUVEC and hESCs. (e) Low-magnification SEM image of aligned CNT substrate. (f) High-magnification SEM image of aligned CNT substrate.