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. 2013 Mar 11;8(3):e58431. doi: 10.1371/journal.pone.0058431

Figure 2. Nanoceria were retained in the eye for months.

Figure 2

The amount of nanoceria retained in the eye was determined by ICP-MS. The elimination was extremely slow with approximately 90% of the injected nanoceria still retained in the eye at 120 days or four months post injection.