Thong, Trinh Quang, Margarita Guenther, and Gerald Gerlach. “Development of Hydrogel-Based MEMS Piezoresistive Sensors for Detection of Solution PH and Glucose Concentration”. Vietnam Journal of Mechanics 34, no. 4 (November 30, 2012): 281–288. Accessed November 9, 2025. https://vjmech.vast.vn/vjmech/article/view/2344.