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|dc.title||Diffusion controlled and temperature stable microcapsule reaction compartments for high-throughput microcapsule-PCR|
|dc.identifier.citation||Mak, W.C.,Cheung, K.Y.,Trau, D. (2008-10-09). Diffusion controlled and temperature stable microcapsule reaction compartments for high-throughput microcapsule-PCR. Advanced Functional Materials 18 (19) : 2930-2937. ScholarBank@NUS Repository. <a href="https://doi.org/10.1002/adfm.200800388" target="_blank">https://doi.org/10.1002/adfm.200800388</a>|
|dc.description.abstract||A novel approach to perform a high number of individual polymerase chain reactions (PCR) in microcapsule reaction compartments, termed "Microcapsule-PCR" was developed. Temperature stable microcapsules with a selective permeable capsule wall were constructed by matrix-assisted layer-by-layer (LbL) Encapsulation technique. During the PCR, small molecular weight building blocks - nucleotides (dNTPs) were supplied externally and diffuse through the permeable capsule wall into the interior, while the resulted high molecular weight PCR products were accumulated within the microcapsule. Microcapsules (∼110.8 μm average diameter) filled with a PCR reaction mixture were constructed by an emulsion technique having a 2% agarose core and a capsule formed by LbL coating with poly(allylanune-hydrochloride) and poly(4-styrene-sulfonate). An encapsulation efficiency of 47% (measured for primer-FITC (22 bases)) and 98% PCR efficiency was achieved. Microcapsules formed by eight layers of polyelectrolyte and subjected to PCR cycling (up to 95°C) demonstrated good temperature stability without any significantly changes in DNA retention yield and microcapsule morphology. A multiplex Microcapsule-PCR experiment demonstrated that microcapsules are individual compartment and do not exchange templates or primers between microcapsules during PCR cycling. © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.|
|dc.description.sourcetitle||Advanced Functional Materials|
|Appears in Collections:||Staff Publications|
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