Figure 4. ESI-MS of RP-HPLC purified tetravalent rat GH-BP263-279 MAP dendrimer product.
Positive ion mode ESI-MS of tetravalent rat GH-BP263-279 MAP dendrimer provided an average observed mass of 8398 Da from signals corresponding to [M + 9H]9+, [M + 10H]10+ and [M + 11H]11+. The observed molecular weight matched the calculated molecular mass of 8398 Da for the tetravalent rat GH-BP263-279 MAP dendrimer.