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Continuous-flow analysis, where samples circulate encapsulated in a carrier fluid is an attractive alternative to batch processing for high-throughput devices that use the polymerase chain reaction (PCR). Challenges of continuous-flow prototypes include the hydrodynamic and biological incompatibility of the carrier fluid, microchannel fouling, sample carryover and the integration of a nucleic acid...
This study investigated the effect of exposing a polymerase chain reaction (PCR) mixture to capillary tubing of different materials and lengths, at different contact times and flow rates and the adsorption of major reaction components into the tubing wall. Using 0.5 mm ID tubing, lengths of 40 cm and residence times up to 45 min, none of the tested polymeric materials was found to affect subsequent...
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