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Measurement of the Mechanical Properties of Breast Cancer Cells (MCF-7) Using the Atomic Force Microscopy
Authors
刘连庆
周富元
王文学
Publication date
1 January 2016
Publisher
Abstract
提出了一种基于Hertz模型的最优化方法,并研究了不同质量浓度(0,50,100,150和200μg/mL)的白藜芦醇培养36 h后的乳腺癌细胞(MCF-7)的杨氏模量和能量耗散变化情况。实验结果表明:基于Hertz模型的最优化方法相比于基于Hertz模型的高斯拟合法能使理论压痕曲线和实验压痕曲线更吻合;综合考虑细胞的杨氏模量与能量耗散比仅考虑细胞的杨氏模量,更能把不同状态的细胞之间的差异综合地表示出来。实验结果验证了基于Hertz模型的最优化方法相比于基于Hertz模型的高斯拟合法在计算杨氏模量上的优越性,并揭示了综合考虑杨氏模量与能量耗散的必要性
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018