A novel surface-enhanced Raman scattering (SERS) method is demonstrated to detect L-histidine based on DNAzyme which can specifically recognize L-histidine. Through a target recycling cascade amplification strategy, the DNAzyme-based SERS sensing system affords very high sensitivity for L-histidine with a detection limit of 0.56 nM.
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Ye et al. (2013) studied this question.
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