Magnetic bead counter using a micro-Hall sensor for biological applications

Title
Magnetic bead counter using a micro-Hall sensor for biological applications
Authors
이운현주성중김선웅이긍원홍진기신경호김기현
Keywords
Magnetic bead; micro-Hall sensor
Issue Date
2009-04
Publisher
Applied physics letters
Citation
VOL 94, 153903-1-153903-3
Abstract
Micro-Hall sensors have been fabricated, and various numbers of micron-size magnetic beads have been placed within the sensor area. The Hall resistances measured at room temperature are found to be proportional to the number of the beads, and are in good agreement with the numerically simulated results presented in this study. Our sensors are designed to measure the number of beads between zero and full-scale signals for a given number range of interest. The effects of miniaturizing the beads and sensors to nanoscale are also discussed.
URI
http://pubs.kist.re.kr/handle/201004/36369
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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