title: Portable Biomarker Detection with Magnetic Nanotags.
abstract: This paper presents a hand-held, portable biosensor platform for quantitative biomarker measurement. By combining magnetic nanoparticle (MNP) tags with giant magnetoresistive (GMR) spin-valve sensors, the hand-held platform achieves highly sensitive (picomolar) and specific biomarker detection in less than 20 minutes. The rapid analysis and potential low cost make this technology ideal for point-of-care (POC) diagnostics. Furthermore, this platform is able to detect multiple biomarkers simultaneously in a single assay, creating a promising diagnostic tool for a vast number of applications.
authors.affiliation: Stanford University Department of Electrical Engineering Stanford, CA, USA  {drewhall, sxwang, murmann}@stanford.edu.
authors.forename: Drew A
authors.initials: DA
authors.lastname: Hall
authors.forename: Shan X
authors.initials: SX
authors.lastname: Wang
authors.forename: Boris
authors.initials: B
authors.lastname: Murmann
authors.forename: Richard S
authors.initials: RS
authors.lastname: Gaster