Detection of local stiffness and piezoelectric properties of materials via piezoresponse force microscopy. - Amin Salehi-Khojin; Saeid Bashash; Nader Jalili; Gary Lee Thompson; Alexey Vertegel (ACC, 2009)

Photoplethysmograph (PPG) derived heart rate (HR) acquisition using an Android smart phone. - Mathew Gregoski; Alexey Vertegel; Frank Treiber (Wireless Health, 2011)