Application of Magnetic Particles from Magnetic Bacteria

Tadashi Matsunaga

Research output: Contribution to journalArticle

Abstract

Magnetic bacteria synthesize magnetic particles which are aligned in chains and enveloped by a membrane. Magnetic particles isolated from magnetic bacteria could be useful because they are small in size, covered with lipid bilayers and do not aggregate. We have studied the mass culture of magnetic bacteria and their characterization and the application of bacterial magnetic particles. This review describes some of the recent advances towards bio-technological and medical applications of bacterial magnetic particles. Enzymes and antibodies may be immobilized on bacterial magnetic particles. These enzyme-magnetic particle and antibody-magnetic particle conjugates may then be used to produce biosensors for glucose and immunoglobulins, respectively. Bacterial magnetic particles have also been introduced into red blood cells by cell fusion, and into leucocytes by phagocytosis. Moreover, gene cloning system of magnetic bacteria was also developed.

Original languageEnglish
Pages (from-to)687-693
Number of pages7
JournalZairyo-to-Kankyo
Volume40
Issue number10
DOIs
Publication statusPublished - 1991
Externally publishedYes

Keywords

  • bacterial magnetic particles
  • enzyme (antibody) immobilization
  • gene cloning system
  • magnetic bacteria
  • magnetosome

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry
  • Electrochemistry

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