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Fabrication of a 3D Teflon microdevice for energy free homogeneous liquid flow inside a long microchannel and its application to continuous-flow PCR
Trinh, K. T. L.; W. M. Wu and N. Y. Lee
2017
Source PublicationRsc Advances
Volume7Issue:18
AbstractWe introduce a simple but robust manufacturing technology for a 3D spiral Teflon microdevice, by wrapping a polytetrafluoroethylene (PTFE) tube around a poly(dimethylsiloxane) (PDMS) mold. Semiautomated sample injection inside this fluoroplastic microdevice was achieved using one disposable syringe with flow rates systemically analyzed under different inner pressures and syringe volumes. After placing the microdevice on a single hot plate at a constant temperature of 105 C-o, a temperature gradient was formed across the 3D spiral fluoroplastic microdevice, which is suitable for the successful amplification of two DNA targets (230 bp and 409 bp) from a plasmid vector. In contrast with PDMS and poly(methyl methacrylate) (PMMA) microdevices, fewer bubbles were observed in this Teflon microdevice. The effect of the Teflon surface on amplification efficiency was also analyzed. After adding different amounts of bovine serum albumin (BSA) to the same volume of polymerase chain reaction (PCR) solution, it was found that the amplification efficiency increased when BSA concentration was adjusted from 0 to 0.24 mu g mu L-1. Futhermore, we believe that this 3D spiral fluoroplastic microdevice could be a stable platform for continuous-flow PCRs.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59235
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Trinh, K. T. L.,W. M. Wu and N. Y. Lee. Fabrication of a 3D Teflon microdevice for energy free homogeneous liquid flow inside a long microchannel and its application to continuous-flow PCR[J]. Rsc Advances,2017,7(18).
APA Trinh, K. T. L.,&W. M. Wu and N. Y. Lee.(2017).Fabrication of a 3D Teflon microdevice for energy free homogeneous liquid flow inside a long microchannel and its application to continuous-flow PCR.Rsc Advances,7(18).
MLA Trinh, K. T. L.,et al."Fabrication of a 3D Teflon microdevice for energy free homogeneous liquid flow inside a long microchannel and its application to continuous-flow PCR".Rsc Advances 7.18(2017).
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