Surface Adsorption of the Cancer Biomarker Lysophosphatidic Acid in Serum Studied by Acoustic Wave Biosensor.
厚度剪切模式(TSM)声表面波器件,又称石英晶体微天平(QCM),可用于多种生物流体中疾病生物标志物的检测,但电极表面的非特异性吸附会干扰器件输出。本研究旨在测定金电极上来自含卵巢癌生物标志物溶血磷脂酸(lysophosphatidic acid, LPA)血清样品的非特异性吸附水平。表面抗污层为含巯基的寡乙二醇分子2-(2-巯基乙...