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IFSA - A microfluidic chip-platform for frit-based immunoassay protocols

机译:IFSA-用于基于熔块的免疫测定方案的微流控芯片平台

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Point-of-care diagnostics (POC) is one of the key application fields for lab-on-a-chip devices. While in recent years much of the work has concentrated on integrating complex molecular diagnostic assays onto a microfluidic device, there is a need to also put comparatively simple immunoassay-type protocols on a microfluidic platform. In this paper, we present the development of a microfluidic cartridge using an immunofiltration approach. In this method, the sandwich immunoassay takes place in a porous frit on which the antibodies have immobilized. The device is designed to be able to handle three samples in parallel and up to four analytical targets per sample. In order to meet the critical cost targets for the diagnostic market, the microfluidic chip has been designed and manufactured using high-volume manufacturing technologies in mind. Validation experiments show comparable sensitivities in comparison with conventional immunofiltration kits.
机译:即时诊断(POC)是片上实验室设备的关键应用领域之一。近年来,尽管许多工作集中在将复杂的分子诊断分析集成到微流体设备上,但也需要在微流体平台上放置相对简单的免疫分析类型的方案。在本文中,我们介绍了使用免疫过滤方法开发的微流体药筒。在这种方法中,夹心免疫测定法在固定有抗体的多孔玻璃料中进行。该设备设计为能够并行处理三个样品,每个样品最多可处理四个分析目标。为了满足诊断市场的关键成本目标,微流控芯片的设计和制造考虑到了大批量生产技术。验证实验表明,与常规免疫过滤试剂盒相比,其敏感性相当。

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