By Topic

Functionalization of micro-Hall effect sensors for biomedical applications utilizing superparamagnetic beads

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

8 Author(s)
A. Lapicki ; Quantum Nanoelectron. Res. Center, Tokyo Inst. of Technol., Japan ; H. Sanbonsugi ; T. Yamamura ; N. Matsushita
more authors

Fabrication of Hall sensors that are compatible with biological environments has been accomplished in an effort to provide an analytical tool for the detection, identification and quantification of deoxyribonuclaeic acid. Sensors are formed by InSb thin films grown on (100) GaAs wafers. Amorphous silicon nitride was deposited as waterproof sensor insulation, and topped by a gold overlayer serving as an interface for the immobilization of biomolecules. The key analytical processes utilize hybridization of complementary strands of oligonucleotides as a biorecognition mechanism, closing a chain sequence leading to attachment of magnetic beads, where the thiol-gold chemical reactivity produces bonding to the sensor surface.

Published in:

IEEE Transactions on Magnetics  (Volume:41 ,  Issue: 10 )