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June 1st, 2007
A salad dressing-like mixture of water, a bit of oil and a sugar-like molecule can safely clean ancient frescoes, according to a new nanotechnology research.
Scientists at the University of Florence, Italy, have discovered that the oil-in-water microemulsion — basically tiny droplets of oil suspended in water — can penetrate a paintings's pores and scrub away grime and acrylic resins.
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