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Inexpensive polyester sheet based waveguides for detection of cardiac biomarker, myeloperoxidase

机译:基于廉价的聚酯片的波导,用于检测心肌生物标志物,髓氧化酶

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Novel localized surface plasmon resonance (LSPR) based U-shaped, polyester waveguides are being demonstrated for biosensing applications. The proposed waveguide sensors are label free, inexpensive and provide a platform for point of care detection systems. Overhead projector (OHP) sheets (~100μm thick) were deployed as core material for waveguides. These have good shape memory and excellent combination of optical and mechanical properties. Single-step fabrication of waveguides was achieved without the use of moulds or clean room facilities. The waveguides were immobilized with gold nanoparticles (GNP) and refractive index (RI) sensitivity of 6.2 ΔA/RIU was obtained. They were successfully bio-functionalized to detect myeloperoxidase, down to 56 nM.
机译:用于生物传感应用的新型局部表面等离子体共振(LSPR)基于U形,聚酯波导。所提出的波导传感器是免费的,便宜的标签,并为护理点检测系统提供平台。架空投影仪(OHP)纸张(〜100μm厚)被展开为波导的核材料。这些具有良好的形状记忆和光学和机械性能的优异组合。在不使用模具或洁净室设施的情况下实现了波导的单步制造。将波导固定用金纳米颗粒(GNP)(GNP)和6.2ΔA/ RIU的折射率(RI)敏感性。它们成功生物官能化以检测髓过氧化物酶,下降至56nm。

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