Abstract
In this study, a poly(methyl methacrylate) (PMMA) microfluidic device fabricated by an inexpensive CO2 laser etching system was developed for detection of carcino-embryonic antigens (CEA). The device was capable of working in continuous mode and was designed with the aid of numerical simulation. The detection of target CEA was based on immuno-assay via magnetic particles and electrochemical sensing. The as-prepared microfluidic can be used to detect CEA at the relatively low concentration of 150 pg mL−1. The device could be reused many times, since the capture and removal of magnetic particles in the assay could be manipulated by an external magnetic field. The proposed approach appears to be suitable␣for high-throughput and automated analysis of large biomolecules such as tumor markers and pathogens.
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Acknowledgements
Funding of this work was mainly provided by the National Foundation for Science and Technology Development (NAFOSTED) 103.02-2012.71 (Nguyen Van Anh). The authors also acknowledged the financial support from the Vietnam Academy of Science and Technology (VAST03.01/15-16). The authors are very grateful for the scientific support from Professor. Elizabeth DUFOUR-GERGAM from University Paris-Sud 11 (Paris, France).
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Van Anh, N., Van Trung, H., Tien, B.Q. et al. Development of a PMMA Electrochemical Microfluidic Device for Carcinoembryonic Antigen Detection. J. Electron. Mater. 45, 2455–2462 (2016). https://doi.org/10.1007/s11664-016-4372-1
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DOI: https://doi.org/10.1007/s11664-016-4372-1