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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Gold Nanobiosensor Based on the Localized Surface Plasmon Resonance is Able to Diagnose Human Brucellosis, Introducing a Rapid and Affordable Method

Fig. 4

Optimizing the LPS concentration. As the concentration of LPS increased, the absorbance decreased significantly. However, upon the increment in LPS concentrations of more than 300 mg/ml, there was no significant reduction in the LSPR absorbance. Hence, the mentioned concentration was selected as the optimized concentration. The Y-axis shows the absorbance intensity at 530 nm (max absorbance of nanoparticles). The experiments were done in triplicates. Data are presented as mean ± SEM. a.u.: Absorbance unit

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