首页> 外文会议>American Society of Mechanical Engineers(ASME) Integrated Nanosystems Conference: Design, Synthesis, and Applications(NANO 2004); 20040922-24; Pasadena,CA(US) >NANOMECHANICAL SENSOR ARRAY FOR DETECTION OF BIOMOLECULAR BINDINGS-TOWARD A LABEL-FREE CLINICAL ASSAY FOR SERUM TUMOR MARKERS
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NANOMECHANICAL SENSOR ARRAY FOR DETECTION OF BIOMOLECULAR BINDINGS-TOWARD A LABEL-FREE CLINICAL ASSAY FOR SERUM TUMOR MARKERS

机译:用于检测生物分子结合的纳米机械传感器阵列-进行无标记的血清肿瘤标志物临床检测

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A label-free technique capable of rapidly screening human blood samples simultaneously for multiple serum tumor markers would enable accurate and cost-effective diagnosis of cancer before physiological symptoms appear. Recently, microfabricated, bimaterial cantilever sensors have been demonstrated to detect DNA hybridization and antigen-antibody binding at clinically relevant concentrations. Cantilever sensors deflect measurably under the surface stress resulting when biomolecules immobilized on one surface of the sensor interact with their binding partners. We present an array of cantilever sensors (silicon nitride with a gold coated surface) capable of simultaneously interrogating 100 different biomolecular interactions.
机译:能够同时针对多种血清肿瘤标志物快速筛查人类血液样本的无标签技术,可以在出现生理症状之前准确,经济地诊断癌症。近来,已经证明了微型制造的双材料悬臂梁传感器可以在临床相关浓度下检测DNA杂交和抗原-抗体结合。当固定在传感器一个表面上的生物分子与其结合伴侣相互作用时,悬臂式传感器在表面应力作用下可测量地偏转。我们提出了一种悬臂传感器阵列(具有镀金表面的氮化硅),能够同时询问100种不同的生物分子相互作用。

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