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Issue 9, 2012
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Universal protocol for grafting PCR primers onto various lab-on-a-chip substrates for solid-phase PCR

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Abstract

A universal protocol for grafting PCR primers onto glass, PDMS, COP, COC, and PP is developed and evaluated by solid-phase PCR (SP-PCR). Primers are immobilized in a PCR compatible way featuring spots with high homogeneity and integrity. Furthermore, we show a protocol for binding a PCR product to immobilized PCR primers via solid-phase PCR (SP-PCR). Previously reported “enhanced SP-PCR” (Z. Kahn et al. Anal. Biochem., 2008, 375, 391–393) is improved in terms of factorial signal increase from 9.9 to 86.8 and specificity from 11.7 to 45.9. The presented immobilization- and SP-PCR protocols may enable integration of DNA microarrays directly into microfluidic lab-on-a-chip cartridges of various materials for analysis via SP-PCR. Beside planar microarrays, another interesting application could be to coat the inner surfaces of a chip with PCR primers to recover generated PCR products in digital PCR systems.

Graphical abstract: Universal protocol for grafting PCR primers onto various lab-on-a-chip substrates for solid-phase PCR

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Publication details

The article was received on 06 Dec 2011, accepted on 07 Feb 2012 and first published on 13 Mar 2012


Article type: Paper
DOI: 10.1039/C2RA01250B
Citation: RSC Adv., 2012,2, 3885-3889
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    Universal protocol for grafting PCR primers onto various lab-on-a-chip substrates for solid-phase PCR

    J. Hoffmann, S. Hin, F. V. Stetten, R. Zengerle and G. Roth, RSC Adv., 2012, 2, 3885
    DOI: 10.1039/C2RA01250B

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