NDLI: Determination of magnetic susceptibility of loaded micro-organisms in bio-magnetic separation

Content Provider	IEEE Xplore Digital Library
Author	Bahaj, A.S. Watson, J.H.P. Ellwood, D.C.
Copyright Year	1965
Abstract	Microorganisms and microbial products can be highly efficient bioaccumulators of soluble and particulate forms of metals, especially from dilute external concentrations. The authors outline a video imaging technique in which biological particle velocity profiles were obtained as they interacted with a ferromagnetic wire in a single-wire cell. These profiles were further analyzed using a dedicated image processing workstation. The whole process is automated and is suitable for analyzing particles with different magnetic susceptibilities. The bioaccumulation systems investigated were of two categories. The first was an aerobic process in which the microorganisms of Bacillus subtilis and Candida utilis were used to precipitate metal phosphates onto their cell walls as they cleaved glycerol 3-phosphate, their energy source, from a solution containing uranyl ions. The second was an anaerobic process in which Desulfovibrio microbial biomass was used to reduce sulphate to sulphide.<>
Sponsorship	IEEE Magnetics Society
Starting Page	3809
Ending Page	3811
Page Count	3
File Size	358869
File Format	PDF
ISSN	00189464
Volume Number	25
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic susceptibility Biomagnetics Wire Magnetic separation Microorganisms Magnetic analysis Paramagnetic materials Magnetic fields Fluid flow Cells (biology)
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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