Properties of Magnetosome Suspension under the Influence of Magnetic Field

被引：4

作者：

Jozefczak, A. ^{[1
]}

Molcan, M. ^{[2
]}

Rozynek, Z. ^{[3
,4
]}

Hornowski, T. ^{[1
]}

Skumiel, A. ^{[1
]}

Timko, M. ^{[2
]}

Tothova, J. ^{[5
]}

Kopcansky, P. ^{[2
]}

Leszczynski, B. ^{[1
,6
]}

机构：

[1] Adam Mickiewicz Univ, Fac Phys, Inst Acoust, PL-61614 Poznan, Poland

[2] Slovak Acad Sci, Inst Expt Phys, Kosice 04001, Slovakia

[3] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland

[4] NTNU, Dept Phys, NO-7491 Trondheim, Norway

[5] Tech Univ Kosice, Dept Phys, Kosice 04200, Slovakia

[6] Adam Mickiewicz Univ, NanoBioMed Ctr, PL-61614 Poznan, Poland

来源：

ACTA PHYSICA POLONICA A | 2015年 / 127卷 / 02期

关键词：

MAGNETOTACTIC BACTERIA; EXTRACTED MAGNETOSOMES; CHAINS;

D O I：

10.12693/APhysPolA.127.629

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetotactic bacteria synthesize chains of nanosized magnetic particles that function as a compass needle to navigate in the direction of the earth's magnetic field. Magnetosomes are bacterial magnetic nanoparticles containing iron mineral crystals of magnetite or greigite, enveloped by a natural biological membrane. The objective of the work is to study the influence of magnetic field on theology and acoustic properties of magnetosome suspension. Experimental results show a clear effect of the external magnetic field on the acoustic parameters such as velocity and attenuation of ultrasonic wave, and the viscosity of the suspension, arising from the biogenic magnetic particles aggregation.

引用

页码：629 / 631

页数：3

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