In 2003, NCPTT supported research that studied biodeterioration on metallic monuments. Ralph Mitchell, Professor at Harvard University’s School of Engineering and Applied Sciences, employed electrochemical impedence spectroscopy to analyze the susceptibility of monument coatings to degradation by indigenous microflora activity.
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2006 NCPTT Grant to Harvard University, “Development of a Rapid Indicator of Biodeterioration of Historic Stone.” Biodeterioration plays an important role in the degradation of stone in historic buildings, monuments, and archeological sites.
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Development of a Rapid Indicator of Biodeterioration of Historic Stone. Ralph Mitchell, principal investigator, and Christopher J. McNamara, of Harvard School of Engineering and Applied Sciences worked to identify microbial species for possible use as a microbiological indicator for identification of stone deterioration.
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