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Table 1 Extent of primary amine acetylation as determined by
1
H NMR spectroscopy.
From:
Acetylation of PAMAM dendrimers for cellular delivery of siRNA
Sample
(-CH
3
/-CH
2
-) ratio
Number of acetyl groups added
Percent of primary amine acetylation
Ac
20
0.041
27
21.1
Ac
40
0.075
50
39.1
Ac
60
0.115
76
59.4
Ac
84
0.16
107
83.6
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