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Wearable and distributed sensors are attractive for monitoring of gases for environmental surveillance, industrial safety, and other applications. For these sensors to be of high value, they need suitable detection accuracy in complex backgrounds. Here, we show accurate detection of volatiles using low-cost sensors based on a radio-frequency identification (RFID) platform. Our design and excitation...
6 Conclusions Since the discovery of SERS nearly thirty years ago, it has progressed from model-system studies of pyridine to state-of-the-art surface-science studies coupled with real-world applications. We have demonstrated a SERS-based glucose sensor as an example of the latter. A SERS-active surface functionalized with a mixed SAM was shown to partition and departition glucose efficiently. The...
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