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Home > News > Old world masterpieces may benefit from a nanotechnology cleaning

October 21st, 2007

Old world masterpieces may benefit from a nanotechnology cleaning

Abstract:
In the art world, the topic of conservancy is a heated one. Some believe that the world's most precious works of art should be allowed to age and die gracefully, while others believe they should be protected and restored at all costs. Art conservation and restoration is not a modern phenomenon. Within 20 years of its 1497 completion, one of the world's most well-known and admired works of art, The Last Supper, was already beginning to show signs of wear and exposure. In 1726, the first of many restorations (or attempted restorations) occurred, followed by additional restorations in 1901, 1908, 1924, and 1951. The deterioration proved unstoppable, while the effects of pollution added to the masterpiece's worsening condition. Between 1978 and 1999, another major restoration effort was undertaken. In 1981, the decision by the Vatican to restore the Sistine Chapel's ceiling sparked a tremendous debate. Today, the Mona Lisa stirs similar debate. Although the world's most famous painting has severe yellowing and shows other signs of aging (it is 500 years old after all), the Louvre has adamantly refused to even consider restoration or cleaning. You can't really blame them. While the cleaning and restoration of the Sistine Chapel and the Last Supper has certainly improved their visibility, restoration is not an exact science and the process could save or destroy the famous work. In fact, much of the yellowing we see today on masterpieces such as the Mona Lisa and the Last Supper are the result of varnishes originally applied to protect the paintings. The process of cleaning and removing old varnish is a tedious and painstaking process, but Italian chemists may have found a much better, and safer, process with the help of nanoparticles.

Source:
nanowerk.com

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