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  1. No Access

    Article

    Deterioration and discoloration of historical protective treatments on marble

    This study integrates the complex research conducted on the sources of brown discolorations that occur on marble statues (fifteenth century) of the Church of Orsanmichele in Florence (Italy). They underwent co...

    Daniela Pinna, Susanna Bracci… in Environmental Science and Pollution Resear… (2022)

  2. Chapter

    Microbial Growth and its Effects on Inorganic Heritage Materials

    Cultural heritage objects composed of inorganic materials, such as metals and stones, support microbial life. Many factors affect the growth of microorganisms: moisture, pH, light, temperature, nutrients. Thei...

    Daniela Pinna in Microorganisms in the Deterioration and Preservation of Cultural Heritage (2021)

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  3. No Access

    Article

    A follow-up on the analytical study of discolouration of the marble statues of Orsanmichele in Florence

    The research complements the complex study carried out to understand the source of brown discolourations of ten marble statues in the Church of Orsanmichele in Florence, Italy. Originally located in exterior n...

    Daniela Pinna, Monica Galeotti… in Environmental Science and Pollution Resear… (2017)

  4. Article

    Open Access

    Brownish alterations on the marble statues in the church of Orsanmichele in Florence: what is their origin?

    The paper describes the complex investigations carried out to understand the sources of the brown chromatic changes that have occurred on ten marble statues dated back to the first half of the 15th century and...

    Daniela Pinna, Monica Galeotti, Adriana Rizzo in Heritage Science (2015)

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  5. No Access

    Article

    Performance evaluation of two protective treatments on salt-laden limestones and marble after natural and artificial weathering

    Salt crystallization is a major damage factor in stone weathering, and the application of inappropriate protective products may amplify its effects. This research focuses on the evaluation of two protective pr...

    Barbara Salvadori, Daniela Pinna… in Environmental Science and Pollution Resear… (2014)

  6. No Access

    Article

    Caloplaca erodens [sect. Pyrenodesmia], a new lichen species from Italy with an unusual thallus type

    Caloplaca erodens is a new species of sect. Pyrenodesmia, characterised by an orbicular, sorediate, bluish-grey thallus which is endolithic but emerges at the periphery with a white, K−, obscurely lobate prothal...

    Mauro Tretiach, Daniela Pinna, Martin Grube in Mycological Progress (2003)

  7. No Access

    Article

    Fungal physiology and the formation of calcium oxalate films on stone monuments

    Extensive, uniform, yellow-brown films are observed on many monuments. The origin of these films, composed predominantly of calcium oxalate, has been investigated by several authors. Oxalate film formation may...

    Daniela Pinna in Aerobiologia (1993)

  8. No Access

    Article

    Calcium oxalate films on stone monuments — Microbiological investigations

    The origin of calcium oxalate films on stone monuments is investigated and discussed in relation to atmosphere-polluting microorganisms that, under certain conditions, can produce oxalic acid. A list of the fu...

    Claudio Ciccarone, Daniela Pinna in Aerobiologia (1993)