https://arstechnica.com/?p=1789025
"All art establishments are concerned with the discoloration of paintings upon exhibition and storage, since harmful factors such as sunlight, moisture, and certain volatile organic compounds (VOCs) accelerate the degradation," said co-author Costas Galiotis, a chemical engineer at the University of Patras in Greece.Enter Matina Stavropoulou, an artist who became sufficiently fascinated by the group's technique to donate three of her more recent paintings for the experiments, all created using Indian inks on glossy paper placed over a canvas support.
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