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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Nanotechnology. 2011 Feb 22;22(13):135102. doi: 10.1088/0957-4484/22/13/135102

Table 1.

Summary of centrifugation for various periods

Total time (min) Radioactivity in pellets (% from total, n = 12) Aggregation (%) n = 12
5 60.0 ± 6.1 0
10 74.4 ± 3.3 0
15 90.0 ± 3.1 0
30 99.4 ± 0.6 33.3