Document Detail


Simultaneous, single particle, magnetization and size measurements of micron sized, magnetic particles.
MedLine Citation:
PMID:  22962515     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Single particle magnetization and size measurements of micron and nano sized, magnetic particles were made using a previously described device referred to as Cell Tracking Velocimetry, CTV. Three types of commercially available, and commonly used, magnetic particles were studied in this report. While the CTV instrument provides individual particles measurements, the average magnetization and size measurements were found to have reasonable agreements with reported values from instruments which measure bulk values. In addition, the CTV instrument, using electromagnets, can also determine magnetization curves, which also proved to have reasonable agreement with other published studies. Given that magnetic separation and analysis technology is dependent on the quality of the magnetic particles used, studies such as this one using CTV provide not only average data, but also provides information with respect to the distribution of the properties such as magnetization and size. For example, the spread of the data in magnetic and settling velocities were found to be predominately due to the size distribution of the analyzed particles.
Authors:
Jie Xu; Kalpesh Mahajan; Wei Xue; Jessica O Winter; Maciej Zborowski; Jeffrey J Chalmers
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Journal of magnetism and magnetic materials     Volume:  324     ISSN:  0304-8853     ISO Abbreviation:  J Magn Magn Mater     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-9-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101314425     Medline TA:  J Magn Magn Mater     Country:  -    
Other Details:
Languages:  ENG     Pagination:  4189-4199     Citation Subset:  -    
Affiliation:
William G Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 W. 19th Avenue, Columbus, OH 43210.
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