From: Acetylation of PAMAM dendrimers for cellular delivery of siRNA
Sample
(-CH3/-CH2-) ratio
Number of acetyl groups added
Percent of primary amine acetylation
Ac20
0.041
27
21.1
Ac40
0.075
50
39.1
Ac60
0.115
76
59.4
Ac84
0.16
107
83.6