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. Author manuscript; available in PMC: 2008 Nov 25.
Published in final edited form as: Bioconjug Chem. 2007 Jun 13;18(4):1148–1154. doi: 10.1021/bc070008z

Table 1.

Characterization of dendrimer nanodevices

# Functional Groups # of groups measured by potentiometry # of groups measured by SEC # of groups measured by MALDI Mass measured by SEC Mass measured by MALDI*
1 NH2 119 -------- -------- 27180 26572
2 NHAc 72 51 55 29300 28887
3 NHBT 8 5 6 30530 30369
4 NHSAH 39 11 10 31650 31416
5 NHSAcRGD ---------- 4 2 34110 32691

1 - PAMAM_E5.(NH2)119 (starting material); 2 - PAMAM_E5.(NHAc)72(NH2)47 (partially acetylated derivative); 3 - PAMAM_E5.(NHAc)72(NHB)8(NH2)39 (biotinylated and partially acetylated derivative); 4 - PAMAM_E5.(NHAc)72(NHB)8(NHSAH)39 (partially acetylated, biotinylated and succinaminated compound); 5 - PAMAM_E5.(NHAc)72(NHB)8(NHSAH)35(NHSAcRGD)4 (cRGD peptides conjugated to compound, for short RGD targeted and biotinylated nanodevice.

*

Molecular mass of the highest frequency fragment in the major peak on Figure 2.