Microbial activity has an important impact on the maintenance of cultural heritage materials,
owing to the key role of microorganisms in many deterioration processes. In order to …

This work reviews different approaches, with the common point of using digital image
analysis techniques imported from the research field of environmental remote sensing, used …

In this study, a digital CMOS camera was calibrated for use as a non-contact colorimeter for
measuring the color of granite artworks. The low chroma values of the granite, which yield …

Abstract Pena National Palace (Sintra, Portugal) was built in the 19th century and tiles,
typical of Portuguese and Oriental art expression, were widely used as decorative elements …

Phototrophic organisms, such as microalgae and cyanobacteria, are known to be major
contributors to stone decay. The purpose of this study was to assess the dolomitic limestone …

Study of the biodeterioration of building materials is often hampered by the inaccessibility of
the colonization and impossibility of sampling in protected buildings considered part of the …

This study aimed at evaluating the influence of ageing on the bioreceptivity and
biodeterioration of glazed tiles by fungi. These microorganisms have been identified in …

High levels of nitrate contamination of granite stone are a major problem, affecting large
surfaces of many historical monuments, particularly in the north-west of Spain. This study …

Pommery Champagne cellar has the originality to be in the underground of Reims city (NE-
France) and has got monumental bas-reliefs carved in chalk walls. Bas-reliefs were …

This paper presents the results of a multidisciplinary investigation into a dark rock coating at
the Ngaut Ngaut heritage complex in South Australia (SA) using geological and botanical …