Our bio-group has successfully developed a portable diagnostic platform, Z-Lab, which is capable of performing on site testing of Influenza A Virus (IAV) in swine with minimum sample handling and laboratory skill requirements. Influenza virus, if present in the sample, will cause magnetic tags to bind to the GMR sensor through a sandwich structure, resulting in change in MR. This real-time electrical signal can be detected by our Z-Lab handheld device, which is capable of data processing, display, wireless communication, and GPS location services depending on the needs of specific application.

This Z-Lab system is the first version of a prototype that has been developed for point-of-care diagnostics. The GMR chips used in this system give its strong multiplex capability, which can significantly reduce costs associated with laboratory testing and enable widespread medical and environmental testing in homes, in the field, and at point-of-care clinics. The ultimate goal of our GMR-based handheld platform is to realize on-site testing on unprocessed biological samples.

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