Magnetoresistance sensors
Magnetoresistive sensors measure the changes in metal
resistivity under the influence of a magnetic field. Although
research in magnetoresistance biosensors is at an early
stage it can be envisaged that the technique will prove a
powerful technique in the field of nanosensors. In one
format, magnetoresistance sensors exploit the changes in
magnetism of paramagnetic beads that provides a more selective and sensitive (lower detection limit of 10 pg/l) label
compared to traditional fluorescent labels