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. 2021 Feb 17;1154:338330. doi: 10.1016/j.aca.2021.338330

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Fig. 8 — (a) Absorption, (b) fluorescence, (c) Raman spectra in response to detection system with different site probes. (d) The absorbance A_690nm/A_520nm ratio, (e) fluorescence intensity at 570 nm, and (f) Raman intensity at 1195 cm⁻¹ in response to detection system with different detection site probes. Overall detected concentration from (g) absorbance, (h) fluorescence, and (i) Raman spectra in detection system with different site probes.