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The surface of the polyamidoamine (PAMAM) starburst dendrimers of Tomalia et al. is indeed fractal. Two independent analyses yielded as fractal dimension D 2.41 ± 0.04 and 2.42 ± 0.07. The fractal dimension of several enzymes lie in this region, so the starburst dendrimers will probably mimic biomolecules.
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Farin et al. (1991) studied this question.
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