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. Author manuscript; available in PMC: 2019 Sep 6.
Published in final edited form as: Chem Soc Rev. 2018 May 21;47(10):3433–3469. doi: 10.1039/c7cs00818j

Fig. 15.

Fig. 15

(A) Schematic illustration of magnetite (or maghemite) nanoparticle synthesis in ferritin. Magnetite nanoparticles can be formed and sequestered inside of ferritin even though temperature and pH used for this synthesis are far from physiological condition. TEM image on the right shows magnetite nanoparticles with approximately 6 nm in diameter synthesized inside of ferritin. (B) TEM image of a TMV containing an approximately 250 nm long nickel nanowire in the central channel. Part B reproduced from ref. 196 with permission from Wiley, copyright 2004.