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Open AccessArticle

An Emulsion System Based on a Chip Polymerase Chain Reaction

by Qinyu Ge 1, Pinfei Yu 1, Yunfei Bai 2 and Zuhong Lu 1,2,*
Key Laboratory of Child Development and Learning Science, Ministry of Education, Southeast University, Nanjing, 210096, P.R. China
State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, P.R. China
Author to whom correspondence should be addressed.
Molecules 2008, 13(12), 3057-3068;
Received: 12 November 2008 / Revised: 30 November 2008 / Accepted: 2 December 2008 / Published: 9 December 2008
In this paper we describe a novel method for detecting many DNA fragments through efficient amplification by using an emulsion system based on “on-chip” PCR instead of conventional multiplex polymerase chain reaction (PCR). During the preparation of on-chip PCR, a set of primers were immobilized on a slide and other sets were in an emulsion system. Different emulsion phase primers and other related PCR components were dispersed in different droplets of the emulsion system, and then, due to the thermal instability of emulsion droplets, they would be released onto the surface of the slide after preheating in the first PCR step. To test the above method, we used plasma DNAs from pregnant women who was carrying a male fetus for gender identification. Four different Y chromosome DNA fragments were selected. Results showed that different DNA fragments could be simultaneously amplified with satisfactory results. It is suggested that a simple, convenient and inexpensive on-chip PCR method has been developed. View Full-Text
Keywords: PCR amplification; Emulsion; Immobilized primers PCR amplification; Emulsion; Immobilized primers
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MDPI and ACS Style

Ge, Q.; Yu, P.; Bai, Y.; Lu, Z. An Emulsion System Based on a Chip Polymerase Chain Reaction. Molecules 2008, 13, 3057-3068.

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