Lee, Wonhyun Joo, Sungjung Kim, Sun Ung Rhie, Kungwon Hong, Jinki Shin, Kyung-Ho Kim, Ki Hyun 2024-01-20T21:33:21Z 2024-01-20T21:33:21Z 2021-09-03 2009-04-13 0003-6951 https://pubs.kist.re.kr/handle/201004/132570 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. English AMER INST PHYSICS PARTICLES Magnetic bead counter using a micro-Hall sensor for biological applications Article 10.1063/1.3122142 1 APPLIED PHYSICS LETTERS, v.94, no.15 APPLIED PHYSICS LETTERS 94 15 scie scopus 000265285200101 2-s2.0-65249175031 Physics, Applied Physics Article PARTICLES biosensors Hall effect transducers microsensors