| 摘要 |
A composition is described comprising a mixture of at least two different dendrimers A and B which possess the same core and the same repeating unit or units in the dendrons. Either the generation of at least one of said dendrons in one of said dendrimers (A) is different from the generation of at least one of the dendrons in the other of said dendrimers (B), or the number of dendrons in one of said dendrimers, or both, is different from the number of dendrons in the other of said dendrimers, or both.
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