Research Article
Highly Sensitive Colorimetric Assay for Determining Fe3+ Based on Gold Nanoparticles Conjugated with Glycol Chitosan
Figure 5
Absorption ratios (A700/A510) of Fe3+-GC-AuNPs as a function of (a) pH, (b) temperature, and (c) concentration of NaCl.
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| (b) |
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