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Yanggu, South Korea

Kim E.H.,CytoGen | Lee J.K.,Korea Polytechnic University | Kim B.C.,CytoGen | Rhim S.H.,Korea University of Technology and Education | And 7 more authors.
Analytical Biochemistry | Year: 2013

Enrichment of circulating tumor cells (CTCs) from whole blood is very challenging due to its rarity. We have developed a new CTC enrichment method using a microfabricated filter. The filter was designed to fractionate tumor cells by cell size and optimized to have high porosity and proper pore distribution. When cancer cells were spiked in whole blood, the average recovery rate was 82.0 to 86.7% and the limit of detection by filtration process was approximately 2 cancer cells in a testing volume of blood. The results indicate that the microfabricated filter-based enrichment would be useful to retrieve and analyze CTCs in practice. © 2013 Elsevier Inc. All rights reserved. Source

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