Size Duel deck / The body, cells and particles
Ferritin
Length: outer diameter of the protein shell
about 12 nm
Range used for fair duels: 10.9 nm to 13.2 nm.
A hollow protein ball in which the body stores iron.
Sources and checks
Checked 2026-11-01: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify, or content-verify-pdf for PDFs); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source.
“self-assemble into a 12-nm cage”University of Georgia Department of Chemistry — Shiyi Zhou research-seminar abstract, 16 October 2019: source, retrieved 2026-10-30; quote re-found by the server check
“exterior diameter ~12 nm”Frontiers in Neuroscience — Barry B. Muhoberac and Ruben Vidal, Iron, Ferritin, Hereditary Ferritinopathy, and Neurodegeneration, 11 December 2019: source, retrieved 2026-10-30; quote re-found by the server check
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