基于银纳米颗粒的免标记上转换传感器的构建及癌胚抗原(CEA)的检测

来源 :中国化学会第十届全国化学生物学学术会议 | 被引量 : 0次 | 上传用户:wearetgd1
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  上转换纳米颗粒(UCNPs)是一类稀土掺杂的发光材料,具有近红外激发、反斯托克斯发射的性质,可以很好地消除来自生物样本的本底荧光和散射光的干扰,另外,在980 nm 激发下,可以完全避免受体被直接激发[1]。
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