Biosensors link biological probes to a signal transducer to convert chemical recognition into recordable data, ideally in real time. For medical genomics, biosensor technology focuses on recognizing nucleic acid sequences. The biosensor probes are typically single strands of DNA complementary to a target. The probes may be in solution or associated with a surface. Signals from probetarget recognition are converted by a variety of techniques. Recognition may be measured, for instance, as a change in fluorescence, color, acoustic wave resonance, optical resonance, electronic signal, or magnetic field. Medically useful genomic variations extend from broad-range gene expression patterns to single point mutations. This review summarizes DNA-based biosensor technology that is being developed to provide fast, simple, and inexpensive methods for measuring medically important genomic information.

Getting Started With Dumbbells

Getting Started With Dumbbells

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.

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