Fig. 1From: Constraining the magnetic properties of ultrafine- and fine-grained biogenic magnetiteTEM micrographs of M-HFn nanoparticles and MSR-1 cells. a M-HFn nanoparticles; b an enlarged M-HFn core; c size distribution histogram of magnetite cores in M-HFn nanoparticles. d MSR-1 whole cells; e magnetosomes chain; f a magnetite magnetosome; g size distribution histogram of magnetosomes in MSR-1 cells. h–j Mixed M-HFn nanoparticles and MSR-1 cell of sample M2. j An electron diffraction pattern of the M-HFn nanoparticles of (i)Back to article page