Research Article

Polypyrrole-Chitosan-CaFe2O4 Layer Sensor for Detection of Anionic and Cationic Dye Using Surface Plasmon Resonance

Figure 4

Variation of the resonance angle shift with time for (a) MO and (b) MB. (c) Variation of the resonance angle shift with different concentrations of MO and MB. The solid lines in parts (a) and (b) fit first-order Langmuir theory well.
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(b)
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