Ultrasensitive detection

We have several projects aimed at inexpensive, practical detection of cancer and other biomarkers, toxins and pathogens. With Dmitri Litvinov of UH (formerly Seagate) we are seeking to adapt the GMR technology of data-storage hard disk drives to produce a biosensor array of extremely high feature density and number (millions), capable of single-molecule detection (using 100 nm magnetic particle labels).We also collaborate with Jiming Bao and Wei-Chuan Shih of UH ECE on nano-fabricated optical sensing devices for sensitive, inexpensive detection of proteins, pathogens and nucleic acids.