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Fig. 3 | Biomaterials Research

Fig. 3

From: Chromophoric cerium oxide nanoparticle-loaded sucking disk-type strip sensor for optical measurement of glucose in tear fluid

Fig. 3

Characterization of the CNPs/APTS/GOx-treated sensing paper. a Schematic diagram of an immunofluorescence assay to check the uniform distribution of GOx on the sensing paper. The primary antibody of GOx and secondary antibody were reacted with the sensing paper. b Calculated uniformity to verify the uniform distribution of GOx. c The MATLAB 3D image to plot the uniformity of CNPs/APTS-treated paper and CNPs/APTS/GOx-treated sensing paper. d The total intensity to confirm the uniform distribution of CNPs/APTS-treated paper and CNPs/APTS/GOx-treated sensing paper. e Optimization of the concentration of CNPs (0.5, 1, 3, 5, and 10 w/v%) at different glucose concentrations (0, 0.5, 1, and 2.5 mM) for optimal sensitivity of glucose. f Linear regression curves of normalized b value from (e) result. Data were presented as the mean ± standard deviation (n = 5)

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Biomaterials Research

ISSN: 2055-7124

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