Article ID Journal Published Year Pages File Type
1526126 Materials Chemistry and Physics 2009 4 Pages PDF
Abstract

Carboxylic acid groups (COOH) were introduced onto the walls or ends of the individual CNT/Fe3O4 composite nanofiber by sonication in a mixture of sulfuric acid/nitric acid. The carboxylated products exhibit favorable magnetic properties and excellent dispersibility in water, which are excellent for use in cell separation. It is found that human ascites cells with cancerization could internalize these carboxylated CNT/Fe3O4 composite nanofibers by endocytosis, resulting in successful magnetic separation.

Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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