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首页> 外文期刊>The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry >Quantum-dot-based biosensor for simultaneous detection of biomarker and therapeutic drug: First steps toward an assay for quantitative pharmacology
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Quantum-dot-based biosensor for simultaneous detection of biomarker and therapeutic drug: First steps toward an assay for quantitative pharmacology

机译:同时检测生物标志物和治疗药物的基于量子点的生物传感器:迈向定量药理学测定的第一步

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Quantitative pharmacology (QP) is often used to study the recommended dose of a drug. Using colorectal cancer as a model, the relationship between exposure (cetuximab, C225, therapeutic drug of colorectal cancer) and the biomarker response (carcinoembryonic antigen, CEA, biomarker of colorectal cancer) is the core for the QP of C225. Thus, simultaneous detection of CEA and C225 is the first step towards an assay for the QP of C225. We developed a quantum dot (QD)-based multi-analyte biosensor for the simultaneous determination of CEA and the corresponding therapeutic drug C225. The assay is based on the competition between a quantum-dots-labeled glycans and target glycans using lectins as the recognition element. The dual-analytic biosensor detected CEA and C225 in the range from 1 ng mL ~(-1) to 400 μg mL ~(-1) by stripping voltammetry. The biosensor developed here for the simultaneous detection of the biomarkers and therapeutic drugs is expected to develop as a potential technique for quantitative pharmacology. This journal is
机译:定量药理学(QP)通常用于研究推荐剂量的药物。以大肠癌为模型,暴露(西妥昔单抗,C225,大肠癌的治疗药物)与生物标志物反应(癌胚抗原,CEA,大肠癌的生物标志物)之间的关系是C225 QP的核心。因此,同时检测CEA和C225是迈向C225 QP测定的第一步。我们开发了基于量子点(QD)的多分析物生物传感器,用于同时测定CEA和相应的治疗药物C225。该测定基于使用凝集素作为识别元件的量子点标记的聚糖与目标聚糖之间的竞争。双重分析生物传感器通过溶出伏安法检测到CEA和C225的范围从1 ng mL〜(-1)到400μgmL〜(-1)。预期在此开发的用于同时检测生物标志物和治疗药物的生物传感器将成为定量药理学的潜在技术。这本日记是

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