Real-time label-free detection and kinetic analysis of Etanercept-Protein A interactions using quartz crystal microbalance.

本研究构建石英晶体微天平（QCM）生物传感器，评估其作为生物制药行业实时无标记分析平台的价值。将重组Protein A固定于羧甲基葡聚糖（CMD）低污染修饰的QCM晶体表面，注入依那西普（Etanercept，Enbrel®）溶液，实时监测Protein A–Enbrel®相互作用。用Langmuir模型拟合0.75–300 ng ...