magnetotactic bacteria


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magnetotactic bacteria

[mag‚ned·ə‚tak·tik bak′tir·ē·ə]
(microbiology)
A group of bacteria containing iron mineral crystals in intracellular structures, called magnetosomes, which enable the bacteria to orient and migrate along magnetic field lines.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The researchers also developed a variant of this approach that relies on swarms of naturally magnetotactic bacteria instead of microrobots.
Recently, researchers have devoted their attention to a class of iron oxide MNPs naturally produced by magnetotactic bacteria, named magnetosomes (MNs) [13-15].
In addition to this, some biological magnetic nanoparticles also receive considerable attention, such as magnetosome, a particular kind of [Fe.sub.3][O.sub.4] or [Fe.sub.3]S4 nanocrystal covered by biological membrane which is formed by magnetotactic bacteria [10-12].
Schuler, "Analysis of magnetosome chains in magnetotactic bacteria by magnetic measurements and automated image analysis of electron micrographs," Applied and Environmental Microbiology, vol.
The isolation and characterization of magnetotactic bacteria from iron ore soil for synthesis of magnetic nanoparticles as potential use in magnetic hyperthermia.
Guillermo (BS Life Sciences) of Ateneo de Manila University (ADMU) focused on a unique specimen, the magnetotactic bacteria, so called because they produce extremely small (nano-sized) magnetic particles that enable cells to move according to the earths geomagnetic field.
Some well-known examples of bacteria synthesizing inorganic materials include magnetotactic bacteria and S layer bacteria.
The formation of magnetite ([Fe.sub.3][O.sub.4]) particles by magnetotactic bacteria (MTB) is one example of a biomineralization process [1].
Recent advance in micro-nano biorobotics has promised a potential remedy for this problem through the prospect of utilizing biocompatible flagellated magnetotactic bacteria (MTB) with nanometer-sized magnetosomes acting like computer-controlled medical microbots.