Transmission electron microscope image of a particle. The dark region of the particle corresponds to and the light region is amorphous silica.
(a) Distribution of particle sizes taken by TEM. (b) Agglomeration of the particles as a function of time in the M9 medium
A schematic diagram of (a) the continuous culture of E. coli and (b) the in situ x-ray scattering.
Magnetic field strength as a function of the distance between the two magnets. Field strengths of 227, 298, 362, and were used in the experiments.
In situ x-ray scattering results from E. coli continuous cultures (a) in the absence and (b)–(d) in the presence of the magnetic particles (three repeats). .
Peak position as a function of the applied magnetic field strengths.
Transmission electron microscope images showing that E. coli have contacts with the particles. Arrows point out contacting parts between the cells and the particles. (a) An E. coli cell surrounded by the magnetic particles. (b) A magnetic particle in contact with the E. coli membrane.
Peak positions as a function of the presence of the particles and applied magnetic field strengths.
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