Kachapi, S.H.H. 2026. Nonclassical Analysis of Frequency and Instability for Piezoelectric Biomedical Nanosensor based on Cylindrical Nanoshell. Journal of Applied Nonlinear Dynamics. 10, 1 (Aug. 2026), 1–27. DOI:https://doi.org/10.5890/JAND.2021.03.001.