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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Carbon N Y. 2012 Mar 1;50(3):1303–1310. doi: 10.1016/j.carbon.2011.10.053

Figure 1.

Figure 1

MS spectra for the analysis of (a) free HRP digest; (b) the supernatant after the SWCNTs-COOH adsorbed and crosslinked to HRP, washed with 0.1% Tween 20, subject to trypsin digestion, and finally removed from the mixture; (c) the supernatant after the SWCNTs-COOH went through the same treatment as (b) except for crosslinking.