期刊
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
卷 314, 期 -, 页码 314-322出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2016.08.026
关键词
Oncotripsy; Viscoelasticity; Local resonance; Cell lysis
Oncotripsy has recently been proposed as a means of selectively targeting cancer cells via resonant harmonic excitation (Heyden and Ortiz, 2016). The method makes use of aberrations in material properties of cancerous cells which allow to induce local resonance up to membrane lysis in cancerous cells while leaving healthy cells intact. Here, we explore the influence of viscoelasticity on the oncotripsy effect. Based on Rayleigh damping, we derive viscoelastic target frequencies and simulate the fully nonlinear transient response of healthy and cancerous cells at resonance. Results confirm the viability of oncotripsy with viscoelastic material behavior of cell constituents accounted for. (C) 2016 Elsevier B.V. All rights reserved.
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