A stable and sensitive Au metal organic frameworks resonance Rayleigh scattering nanoprobe for detection of SO<sub>3</sub> <sup>2-</sup> in food based on fuchsin addition reaction.

Front Nutr · 2022 · PMC9686329 · PMID 36438732

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a decreasing trendno p-value reported

For the AuMOF system, it is a decreasing trend for the absorption peak at 540 nm produced by BF ( Figure 5C ) ( 25 ).

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an increasing trendno p-value reported

Therefore, the RRS signal at 330 nm for SO 3 2– -BF-AuMOF analysis system shows an increasing trend with the increase of SO 3 2– concentration ( Figure 1 ).

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