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. Author manuscript; available in PMC: 2010 Apr 12.
Published in final edited form as: Nat Protoc. 2009 Sep 3;4(9):1372–1382. doi: 10.1038/nprot.2009.146

Figure 2.

Figure 2

A scheme showing conjugation of targeting ligands to SWNTs. PL-PEG5000-Amine-functionalized SWNTs are first activated by Sulfo-SMCC, yielding maleimide groups on SWNTs available for conjugation to thiolated antibodies or peptides. Thiolation of antibodies is carried out by treating them with Traut's reagent. Thiolated RGD peptide is synthesized following a previous protocol and used directly32.