eprintid: 3515
rev_number: 10
eprint_status: archive
userid: 16
dir: disk0/00/00/35/15
datestamp: 2019-06-20 22:39:58
lastmod: 2019-06-24 06:45:55
status_changed: 2019-06-20 22:39:58
type: conference_item
metadata_visibility: show
creators_name: Ho, Anh Tam
creators_name: Nguyen, Van Hung
creators_name: Do, Thi Huong Giang
creators_name: Nguyen, Huu Duc
creators_name: CheoGi, Kim
creators_id: hoanhtam@vnu.edu.vn
creators_id: giangdth@vnu.edu.vn
creators_id: ducnh@vnu.edu.vn
title: Design, simulation and fabrication of a high sensitivity micro-magnetometer integrated with microfluidics system and flux concentrators for biomedical applications
ispublished: pub
subjects: Phys
divisions: lab_nano
abstract: Biomagnetism is the phenomenon of magnetic fields emitted by living organisms including cells. Magnetic field strength produced by cells or even with cells marked by magnetism (called biomarkers) are generally very weak. For this reason, cells/biomarkers (bio-samples) detection usually were done by directly contacting the bio-samples with sensor surface that would cause to degradation of sensor performance after some measurements. To deal with such situation, using an annular-shaped flux concentrator made by a high magnetic permeability material to increase magnetic amplification in sensor’s surface is necessary. Beside, this solution also supports for the measurement without contact. In this paper, we describes the results in design, simulation and fabrication of a high sensitivity micro-magnetometer integrated with microfluidics system and flux concentrators for biomedical applications (Fig. 1a). From simulation toward experiment, the results showed that by using the optimal annular-shaped flux concentrator to focus flux lines on sensor’s surface, the sensor signals is more than ten times higher than in the case directly contact method (Fig. 1b). The system opens up the potential for widespread use in lab-on-a-chip for biomedical applications and commercialization
date: 2018
date_type: published
full_text_status: public
pres_type: poster
event_title: The 9th International Workshop on ADVANCED MATERIALS SCIENCE AND NANOTECHNOLOGY
event_location: Ninh Binh, Vietnam
event_dates: 18-21 November 2018
event_type: workshop
refereed: TRUE
citation:   Ho, Anh Tam and Nguyen, Van Hung and Do, Thi Huong Giang and Nguyen, Huu Duc and CheoGi, Kim  (2018) Design, simulation and fabrication of a high sensitivity micro-magnetometer integrated with microfluidics system and flux concentrators for biomedical applications.  In: The 9th International Workshop on ADVANCED MATERIALS SCIENCE AND NANOTECHNOLOGY, 18-21 November 2018, Ninh Binh, Vietnam.     
document_url: https://eprints.uet.vnu.edu.vn/eprints/id/eprint/3515/1/Ho%20Anh%20Tam_IWAMSN2018_form_Abstract%20%28updated%209.10.2018%29.doc