Kieu The Loan Trinh

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A uniquely fabricated microdevice with a glass-polytetrafluoroethylene (PTFE)-glass (GPG) sandwich configuration was developed for the fast identification of foodborne pathogens by using continuous-flow polymerase chain reaction (PCR) followed by on-site fluorescence detection of PCR products. A PTFE tube was simply folded into a serpentine configuration(More)
PURPOSE We aim to fabricate a thermoplastic poly(methylmethacrylate) (PMMA) Lab-on-a-Chip device to perform continuous- flow polymerase chain reactions (PCRs) for rapid molecular detection of foodborne pathogen bacteria. METHODS A miniaturized plastic device was fabricated by utilizing PMMA substrates mediated by poly(dimethylsiloxane) interfacial(More)
We introduce a new strategy for fabricating a seamless three-dimensional (3D) helical microreactor utilizing a silicone tube and a paraffin mold. With this method, various shapes and sizes of 3D helical microreactors were fabricated, and a complicated and laborious photolithographic process, or 3D printing, was eliminated. With dramatically enhanced(More)
On-chip continuous-flow polymerase chain reactions (PCRs) generally require peripheral apparatus such as a pump for injecting a sample liquid into the fluidic channel. This makes the overall instrumentation bulky, limiting integration. In this study, we propose a new scheme for injecting a sample employing a hand-held syringe as a portable plastic pump, and(More)
In this study, we fabricate a monolithic poly(methylmethacrylate) (PMMA) microdevice on which solid phase-based DNA preparation and flow-through polymerase chain reaction (PCR) units were functionally integrated for one-step sample preparation and amplification operated by pressure. Chelex resin, which is used as a solid support for DNA preparation, can(More)
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