This method offers a way to amplify the signal from binding events into a form that is detectable visually for low resource use or can be quantified using absorbance-based instrumentation. This is a relatively quick, one-pot protocol to determine
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The present protocol demonstrates the use of a fast, 3-stage, aptamer-based exponential amplification assay to detect targets. Sample preparation, signal amplification, and color development are covered to implement this system to recognize the presence of theophylline over that of caffeine.