Microcoils for transport of magnetic beads
Microcoils for transport of magnetic beads
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DOI：
10.1063/1.2149150
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发表时间：
2006-01-16
影响因子：
4
通讯作者：
Poenar, DP
中科院分区：
文献类型：
--
作者：
Ramadan, Q;Yu, C;Poenar, DP
制造集成磁性器件，由嵌入在硅衬底中的新型结构的微线圈阵列组成，具有不对称形状的小导体，并且具有由磁性合金（NiCoP）制成的铁磁柱作为磁芯。这些结构产生了非常有效地吸引磁珠的大磁场梯度。通过在放置在微流体室中的这种微线圈的阵列中交替地注入电流，在连续流动中以不同的运动模式和步长引导磁珠。(c)2006年，美国物理学会。
Integrated magnetic devices were fabricated, consisting of arrays of microcoils of a novel structure, embedded in a silicon substrate, with small conductors asymmetrically shaped and with ferromagnetic pillars made of a magnetic alloy (NiCoP) as magnetic cores. These structures generated large magnetic field gradients that very effectively attracted magnetic beads. By alternatively injecting currents in an array of such microcoils placed in a microfluidic chamber, magnetic beads were guided in different movement modes and step sizes in a continuous flow. (c) 2006 American Institute of Physics.