New Strategy for the Cleaning of Paper Artworks: A Smart Combination of Gels and Biosensors

<table>Comparison of HPLC chromatograms of XVIIII century before (green line) and after cleaning treatment with gellanGellan gel (blue) and water bath (red). Insert: detail of chromatogram, region between 3 and 10 minutes.</table>

Advances in Chemistry

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Figure 4

Figure 4: New Strategy for the Cleaning of Paper Artworks: A Smart Combination of Gels and Biosensors 