These examples are but a few of the huge number of applications that have benefited from the introduction of real-time fluorescence-based PCR assays and that have contributed to the transformation of this technique from an experimental tool into the scientific mainstream. The advances in robotic nucleic acid extraction and liquid-handling systems, together with the continuous introduction of less expensive, yet more capable thermal cyclers make real-time PCR an attractive and essential technology for routine diagnostics. Recent developments in multiplexing make it possible to envisage easy identification, genotyping, and quantification of DNA targets in single, rapid reactions. However, the technology is only as reliable as the accompanying controls and associated quality-assurance programs. This includes the quality of standards, the use of suitably controlled standard curves, and the need to fully optimize, validate, and evaluate each new assay against previously standardized assays. Nevertheless, it is clear that real-time PCR is a technique whose time has come.
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The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.