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    • 2. 发明公开
    • METAL-ANTIBODY TAGGING AND PLASMA-BASED DETECTION
    • 金属抗体标记和基于等离子体的检测
    • EP3191840A1
    • 2017-07-19
    • EP15840345.1
    • 2015-09-14
    • Purdue Research Foundation
    • ROBINSON, Joseph, PaulRAJWA, Bartolomej, P.PATSEKIN, Valeri, P.BAE, Euiwon
    • G01N33/53G01N33/567G01N33/554G01N33/569C40B30/04C40B60/10
    • An apparatus and method for characterizing a target, e.g., microbial samples or biological toxins, includes labeling the target with a biomolecular recognition construct and measuring an atomic-spectra signal of the biomolecular recognition construct. The method can include heating the labeled target before measuring the atomic-spectra signal. The atomic-spectra signal can be measured by performing laser-induced breakdown spectroscopy. The atomic-spectra signal can be measured by performing spark induced breakdown spectroscopy. The biomolecular recognition construct can be prepared by tagging a biological scaffolding with a metal atom or ion. In an aspect in which the target includes a microbial sample, the biological scaffolding can include an antibody against epitopes present on bacterial surface, the antibody linked to a heavy metal. In an aspect in which the target includes a biological toxin, the biological scaffolding can include an antibody against the biological toxin linked to heavy metals.
    • 样本内的目标可以使用被配置为将样本中的金属转化为等离子体的能量源和被配置为检测由等离子体发射的电磁辐射以提供光谱信号的光学光谱检测器来表征。 处理器可以使用光谱信号确定样品中金属的存在。 目标可以包括微生物或生物毒素。 包含金属和支架的识别构建体可以应用于样品。 脚手架可以绑定到目标。 能量可以用于将至少一些样品转化成等离子体。 可以检测等离子体发射的电磁辐射,以提供样本的光谱信号。 准备子系统可以将识别构建体添加到样本中,并且清洗子系统可以将未结合的识别构建体从样本中清除。