Controlled transport of magnetic particles using soft magnetic patterns

被引：38

作者：

Conroy, Richard S. ^{[1
,2
]}

Zabow, Gary ^{[1
,2
]}

Moreland, John ^{[2
]}

Koretsky, Alan P. ^{[1
]}

机构：

[1] Natl Inst Neurol Disorders & Stroke, Lab Funct & Mol Imaging, NIH, Bethesda, MD 20892 USA

[2] Natl Inst Stand & Technol, Boulder, CO 80305 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 20期

关键词：

galvanomagnetic effects; magnetic domains; magnetic particles; magnetic structure; microfluidics; permanent magnets; soft magnetic materials; superparamagnetism;

D O I：

10.1063/1.3009197

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Inspired by magnetic bubble memory technology, we demonstrate the temporal and spatial manipulation of superparamagnetic beads guided by soft magnetic patterns in a rotating magnetic field. Soft magnetic structures allow complex and repetitive tasks to be performed. As a demonstration, we show cyclic capture and release of antibodies from different microfluidic streams.

引用

收藏

页数：3

相关论文

共 16 条

[1] MAGNETIC BUBBLES - EMERGING NEW MEMORY TECHNOLOGY [J].

BOBECK, AH ;

BONYHARD, PI ;

GEUSIC, JE .

PROCEEDINGS OF THE IEEE, 1975, 63 (08) :1176-1195

[2] Measurement of the phase diagram of DNA unzipping in the temperature-force plane [J].

Danilowicz, C ;

Kafri, Y ;

Conroy, RS ;

Coljee, VW ;

Weeks, J ;

Prentiss, M .

PHYSICAL REVIEW LETTERS, 2004, 93 (07) :078101-1

[3] Manipulation of magnetic microbeads in suspension using micromagnetic systems fabricated with soft lithography [J].

Deng, T ;

Whitesides, GM ;

Radhakrishnan, M ;

Zabow, G ;

Prentiss, M .

APPLIED PHYSICS LETTERS, 2001, 78 (12) :1775-1777

[4] An integrated microfabricated cell sorter [J].

Fu, AY ;

Chou, HP ;

Spence, C ;

Arnold, FH ;

Quake, SR .

ANALYTICAL CHEMISTRY, 2002, 74 (11) :2451-2457

[5] Programmable motion and separation of single magnetic particles on patterned magnetic surfaces [J].

Gunnarsson, K ;

Roy, PE ;

Felton, S ;

Pihl, J ;

Svedlindh, P ;

Berner, S ;

Lidbaum, H ;

Oscarsson, S .

ADVANCED MATERIALS, 2005, 17 (14) :1730-+

[6] Magnetic atom optics: mirrors, guides, traps, and chips for atoms [J].

Hinds, EA ;

Hughes, IG .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1999, 32 (18) :R119-R146

[7] Easily fabricated magnetic traps for single-cell applications [J].

Koschwanez, John H. ;

Carlson, Robert H. ;

Meldrum, Deirdre R. .

REVIEW OF SCIENTIFIC INSTRUMENTS, 2007, 78 (04)

[8] Controlled assembly of magnetic nanoparticles from magnetotactic bacteria using microelectromagnets arrays [J].

Lee, H ;

Purdon, AM ;

Chu, V ;

Westervelt, RM .

NANO LETTERS, 2004, 4 (05) :995-998

[9] Transport quantum logic gates for trapped ions [J].

Leibfried, D. ;

Knill, E. ;

Ospelkaus, C. ;

Wineland, D. J. .

PHYSICAL REVIEW A, 2007, 76 (03)

[10] Magnetism and microfluidics [J].

Pamme, N .

LAB ON A CHIP, 2006, 6 (01) :24-38