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. 2021 Aug 4;1181:338910. doi: 10.1016/j.aca.2021.338910

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© 2021 Published by Elsevier B.V.

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Fig. 3 — Sensing performance evaluation of the LF-AOB using NaCl solution. (a) Typical signal curves for various NaCl concentrations. (b) Plot of reflected light intensity attenuation value as a function of change in NaCl concentration. (c) Plot of reflected light intensity attenuation value as a function of change in calculated RI. (d) Plot of calculated RI as a function of change in NaCl concentration. Fitted linear equations and R² are shown. Error bars correspond to SD for triplicate experiments (n = 3).