A highly efficient preconcentration route for rapid and sensitive detection of endotoxin based on an electrochemical biosensor.
本文提出一种用于微流控芯片中内毒素检测的阻抗适配体传感器,在丝网印刷电极(SPCE)上构建Apt/AuNPs/SPCE传感界面,具有良好的生物活性和稳定性。通过样品暴露前后的电化学阻抗谱(EIS)测量实现内毒素定量检测。该阻抗生物传感器可超灵敏、选择性检测内毒素,检出限低至500 pg/mL,线性范围为500 pg/mL–200 n...