Fig. 5From: Non-invasive continuous monitoring of pro-oxidant effects of engineered nanoparticles on aquatic microorganismsReprinted with permission from (Analytical Chemistry 2015; 87: 1536–1543). Copyright (2015) American Chemical SocietyAbsorption enhancement for a phenol red, b 10 nm Au NPs and c envy green for different concentrations C of 500 nm PS scatterers: C1 = 0.6 nM and C2 = 3 nM. The insets in b and c show the normalised transmission spectrum T and the LOD is defined as 3 times the noise level. The error bars correspond to the standard deviation over five independent measurements.Back to article page