McRae Michael P, Simmons Glennon W, Wong Jorge, Shadfan Basil, Gopalkrishnan Sanjiv, Christodoulides Nicolaos, McDevitt John T
Department of Bioengineering, Rice University, Houston, TX, USA.
Lab Chip. 2015 Oct 21;15(20):4020-31. doi: 10.1039/c5lc00636h. Epub 2015 Aug 26.
The development of integrated instrumentation for universal bioassay systems serves as a key goal for the lab-on-a-chip community. The programmable bio-nano-chip (p-BNC) system is a versatile multiplexed and multiclass chemical- and bio-sensing system for bioscience and clinical measurements. The system is comprised of two main components, a disposable cartridge and a portable analyzer. The customizable single-use plastic cartridges, which now can be manufactured in high volumes using injection molding, are designed for analytical performance, ease of use, reproducibility, and low cost. These labcard devices implement high surface area nano-structured biomarker capture elements that enable high performance signaling and are index-matched to real-world biological specimens. This detection modality, along with the convenience of on-chip fluid storage in blisters and self-contained waste, represents a standard process to digitize biological signatures at the point-of-care. A companion portable analyzer prototype has been developed to integrate fluid motivation, optical detection, and automated data analysis, and it serves as the human interface for complete assay automation. In this report, we provide a systems-level perspective of the p-BNC universal biosensing platform with an emphasis on flow control, device integration, and automation. To demonstrate the flexibility of the p-BNC, we distinguish diseased and non-case patients across three significant disease applications: prostate cancer, ovarian cancer, and acute myocardial infarction. Progress towards developing a rapid 7 minute myoglobin assay is presented using the fully automated p-BNC system.
开发用于通用生物检测系统的集成仪器是芯片实验室领域的一个关键目标。可编程生物纳米芯片(p-BNC)系统是一种用于生物科学和临床测量的多功能、多路复用和多类别的化学与生物传感系统。该系统由两个主要部件组成,一个一次性试剂盒和一个便携式分析仪。可定制的一次性塑料试剂盒现在可以通过注塑大量生产,其设计兼顾分析性能、易用性、可重复性和低成本。这些实验卡设备采用高表面积的纳米结构生物标志物捕获元件,可实现高性能信号传导,并与实际生物样本实现折射率匹配。这种检测方式,连同泡罩中芯片上流体储存的便利性和独立的废物处理,代表了一种在护理点将生物特征数字化的标准流程。已开发出一款配套的便携式分析仪原型,用于集成流体驱动、光学检测和自动化数据分析,它作为完整检测自动化的人机界面。在本报告中,我们提供了p-BNC通用生物传感平台的系统级视角,重点关注流量控制、设备集成和自动化。为了展示p-BNC的灵活性,我们在三种重大疾病应用中区分患病和非患病患者:前列腺癌、卵巢癌和急性心肌梗死。使用全自动p-BNC系统展示了在开发快速7分钟肌红蛋白检测方面取得的进展。