Low-cost magnetic interdigitated array on a plastic wafer

被引：22
|
作者：
Do, J [1 ]
Choi, JW
Ahn, CH
机构：
[1] Univ Cincinnati, Elect & Comp Engn & Comp Sci Dept, Cincinnati, OH 45221 USA
[2] Louisiana State Univ, Dept Elect Engn, Baton Rouge, LA 70803 USA
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2004年 / 40卷 / 04期
关键词：
biochemical detector; disposable magnetic separator; magnetic bead; magnetic interdigitated array (mIDA);
D O I：
10.1109/TMAG.2004.828979
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a new magnetic interdigitated array (mIDA) has been designed, fabricated, and characterized for a magnetic bead separator on a plastic substrate, which can provide sampling capability in a low-cost disposable platform for magnetic bead-based biochemical detection systems. A mIDA was patterned and electroplated on a cyclic olefin copolymer (COC) substrate. To construct a magnetic bead sampler, an injection-molded microchannel layer on the COC was bonded over the mIDA using plastic thermal fusion bonding techniques. The microfabricated mIDA was excited using an external microelectromagnet to characterize the magnetic separator. Magnetic beads in a diameter of 2.0-9.0 mum were successfully separated over the mIDA from an aqueous solution with magnetic beads at a flow rate of 3.0-7.0 mul/min.
引用
收藏
页码：3009 / 3011
页数：3
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