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. 2021 Mar 5;11(3):72. doi: 10.3390/bios11030072

Figure 6.

Figure 6

(a) SPR spectra of the SPR-MIP sensor at different 2-furaldheide (2-FAL) concentrations in water; (b) SPR wavelength shift vs. concentration of 2-FAL in a water solution and the calculated continuous curve; (c) SPR spectra of the SPR-MIP sensor at different 2-FAL concentrations in wine-mimicking solution; (d) SPR wavelength shift vs. concentration of 2-FAL in wine-mimicking solution and the calculated continuous curve. Vertical bars in (b,d) correspond to the standard deviations (error bars).