4 years ago

Use of Dimethyl Pimelimidate with Microfluidic System for Nucleic Acids Extraction without Electricity

Use of Dimethyl Pimelimidate with Microfluidic System for Nucleic Acids Extraction without Electricity
Yong Shin, Tae Yoon Lee, Sung-Han Kim, Se Yoon Park, Ji Yeun Kim, Bonhan Koo, Choong Eun Jin, Suhwan Chang, Kyung-Chul Choi
The isolation of nucleic acids in the lab on a chip is crucial to achieve the maximal effectiveness of point-of-care testing for detection in clinical applications. Here, we report on the use of a simple and versatile single-channel microfluidic platform that combines dimethyl pimelimidate (DMP) for nucleic acids (both RNA and DNA) extraction without electricity using a thin-film system. The system is based on the adaption of DMP into nonchaotropic-based nucleic acids and the capture of reagents into a low-cost thin-film platform for use as a microfluidic total analysis system, which can be utilized for sample processing in clinical diagnostics. Moreover, we assessed the use of the DMP system for the extraction of nucleic acids from various samples, including mammalian cells, bacterial cells, and viruses from human disease, and we also confirmed that the quality and quantity of the nucleic acids extracted were sufficient to allow for the robust detection of biomarkers and/or pathogens in downstream analysis. Furthermore, this DMP system does not require any instruments and electricity, and has improved time efficiency, portability, and affordability. Thus, we believe that the DMP system may change the paradigm of sample processing in clinical diagnostics.

Publisher URL: http://dx.doi.org/10.1021/acs.analchem.7b01193

DOI: 10.1021/acs.analchem.7b01193

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