Formation of magnetic nanoparticle chains in bacterial systems

MRS Bulletin ◽  
2015 ◽  
Vol 40 (6) ◽  
pp. 509-515 ◽  
Author(s):  
Damien Faivre
Keyword(s):  
Magnetic Nanoparticle ◽  
Image Position ◽  
Nanoparticle Chains ◽  
Bacterial Systems

Abstract

BIREFRINGENCE AND MAGNETO-OPTICAL PROPERTIES IN OLEIC ACID COATED Fe3O4 NANOPARTICLES: APPLICATION FOR OPTICAL SWITCH

2011 ◽  
Vol 10 (03) ◽  
pp. 515-520 ◽  
Author(s):  
SI-HUA XIA ◽  
JUN WANG ◽  
ZHANG-XIAN LU ◽  
FEIYAN ZHANG
Keyword(s):  
Magnetic Field ◽  
Optical Properties ◽  
Oleic Acid ◽  
Magnetic Nanoparticles ◽  
Magnetic Nanoparticle ◽  
Optical Switch ◽  
Colloidal Suspension ◽  
Experimental Parameters ◽  
Nanoparticle Chains ◽  
The Magnetic Field

We report magneto-optical properties in a kerosene colloidal suspension of oleic acid coated Fe3O4 nanoparticles (~14 nm). The magnetic colloids (fluids) show birefringence under a magnetic field. Systematical studies of the on–off switch times upon application of the on–off magnetic field with varied experimental parameters indicate that the switch response time depends strongly on the strength of the magnetic field and the concentration of the magnetic nanoparticles in the fluid. The data can be explained in terms of the formation of magnetic nanoparticle chains under a magnetic field. The important magneto-optical properties of the magnetic fluids allow us to design a tunable optical switch.

scholarly journals Magnetic Nanoparticle Chains in Gelatin Ferrogels: Bioinspiration from Magnetotactic Bacteria

2019 ◽  
Vol 29 (45) ◽  
pp. 1905996 ◽  
Author(s):  
Sebastian Sturm ◽  
Maria Siglreitmeier ◽  
Daniel Wolf ◽  
Karin Vogel ◽  
Micha Gratz ◽  
...  
Keyword(s):  
Magnetic Nanoparticle ◽  
Magnetotactic Bacteria ◽  
Nanoparticle Chains

Facile Assembly of Aligned Magnetic Nanoparticle Chains in Polymer Nanocomposite Films by Magnetic Flow Coating

2017 ◽  
Vol 9 (12) ◽  
pp. 11290-11298 ◽  
Author(s):  
Hongyi Yuan ◽  
Irina J. Zvonkina ◽  
Abdullah M. Al-Enizi ◽  
Ahmed A. Elzatahry ◽  
Jeffrey Pyun ◽  
...  
Keyword(s):  
Magnetic Nanoparticle ◽  
Polymer Nanocomposite ◽  
Nanocomposite Films ◽  
Magnetic Flow ◽  
Nanoparticle Chains
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