A smart device for label-free and real-time detection of gene point mutations based on the high dark phase contrast of vapor condensation

Junqi Zhang, Rongxin Fu, Liping Xie, Qi Li, Wenhan Zhou, Ruliang Wang, Jiancheng Ye, Dong Wang, Ning Xue, Xue Lin, Ying Lu, Guoliang Huang*

*此作品的通讯作者

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摘要

A smart device for label-free and real-time detection of gene point mutation-related diseases was developed based on the high dark phase contrast of vapor condensation. The main components of the device included a Peltier cooler and a mini PC board for image processing. Heat from the hot side of the Peltier cooler causes the fluid in a copper chamber to evaporate, and the vapor condenses on the surface of a microarray chip placed on the cold side of the cooler. The high dark phase contrast of vapor condensation relative to the analytes on the microarray chip was explored. Combined with rolling circle amplification, the device visualizes less-to-more hydrophilic transitions caused by gene trapping and DNA amplification. A lung cancer gene point mutation was analysed, proving the high selectivity and multiplex analysis capability of this low-cost device.

源语言英语
页(从-至)3891-3896
页数6
期刊Lab on a Chip
15
19
DOI
出版状态已出版 - 28 7月 2015
已对外发布

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Zhang, J., Fu, R., Xie, L., Li, Q., Zhou, W., Wang, R., Ye, J., Wang, D., Xue, N., Lin, X., Lu, Y., & Huang, G. (2015). A smart device for label-free and real-time detection of gene point mutations based on the high dark phase contrast of vapor condensation. Lab on a Chip, 15(19), 3891-3896. https://doi.org/10.1039/c5lc00488h