Nanoparticles for stabilization of salts in St. Nicholas Church, Pittsburgh, Pennsylvania

M. Smith & R. Foulke
The St. Nicholas First Croatian Catholic Church, located in Millvale, an adjacentneighborhood of Pittsburgh, Pennsylvania, contains expansive murals painted by the Croatianimmigrant artist Maximilian Vanka. Pictorial content, which covers 11,000 square feet ofinterior space, includes scenes of industry, religion, social injustice, and the horrors of war. Inthe 75 years since their completion, the murals have been subjected to a wide variety ofpollutants from industry, auto emissions and candles in the church. As a result, these...