细胞膜电穿孔

Application ID: 137961


电穿孔是一种利用局部电场在细胞膜上产生纳米级孔隙的技术,可以显著提升细胞对离子和药物的通透性。本模型演示了通过纳秒级电脉冲对球形细胞进行电穿孔的过程,其中使用“电流”和“边界常微分方程”接口,并结合多种德拜色散材料数据,在“时域”和“频域”中实现了精准的仿真分析。
本教学模型的参数值经作者研究团队(斯洛文尼亚卢布尔雅那大学电气工程学院生物医学工程系生物控制实验室)许可,源自参考资料 1,并综合参考了参考资料 2 和 3,仿真结果与参考资料 4 中的数据高度一致。

参考资料:
1. G. Pucihar, D. Miklavcic, and T. Kotnik, "A Time-Dependent Numerical Model of Transmembrane Voltage Inducement and Electroporation of Irregularly Shaped Cells," in IEEE Transactions on Biomedical Engineering, vol. 56, no. 5, pp. 1491-1501, 2009.
2. R. Büchner, G.T. Hefter, and P.M. May, "Dielectric Relaxation of Aqueous NaCl Solutions," J. Phys. Chem. A, vol. 103, no. 1, pp. 1–9, 1999.
3. B Klösgen, C Reichle, S Kohlsmann, and KD Kramer, "Dielectric Spectroscopy as a Sensor of Membrane Headgroup Mobility and Hydration," J. Biophys, vol. 71, no. 6, pp. 325-3260, 1996.
4. E. Salimi, Nanosecond Pulse Electroporation of Biological Cells: The Effect of Membrane Dielectric Relaxation, master's thesis, Dept. Electrical and Computer Eng., Univ. Manitoba, Winnipeg, 2011.

案例中展示的此类问题通常可通过以下产品建模: