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. 2011 Oct 28;2(11):3223–3231. doi: 10.1364/BOE.2.003223

Fig. 2.

Fig. 2

(a) Experimental setup to convey the molecules to the electrode. (b) QCM cell for fluidic applications with gold electrodes. (c) Typical output showing the decrease of the frequency due to the association (anchoring) and the frequency rise produced by the dissociation (unanchoring).