Naslov
Radiation desinsection method for the protection of textile cultural heritage artefacts

Autori
Jurkin, Tanja ; Katušin-Ražem, Branka ; Ražem, Dušan ; Rundek Franić, Bernarda ; Franić, Ana Marija, Vrtulek, Maja ; Bobnjarić-Vučković, Venija

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, neobjavljeni rad, stručni

Skup
International symposium CroArtScia 2015

Mjesto i datum
Sisak, Hrvatska; Zagreb, Hrvatska, 27.05.2015. - 30.05.2015

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
gamma-irradiation ; desinsection ; desinfection ; textile ; cultural heritage

Sažetak
Textile artefacts, as well as other objects of organic origin, are susceptible to biodeterioration by insects, fungi, bacteria etc., resulting in changes and even complete disintegration. Gamma irradiation method is efficient, safe, simple and fast method for inactivation of all biological contaminants at all stages of their life cycle by causing damage of their DNA molecule. Panoramic 60Co gamma ray irradiator in the Radiation Chemistry and Dosimetry Laboratory (RCDL) of the Ruđer Bošković Institute has been used for the past 30 years for the protection and conservation of cultural heritage objects. The most important parameter in irradiation treatment the absorbed dose depends on the initial level of contamination and radiosensitivity of contaminants and the desirable factor of their reduction. The lowest dose is chosen that ensures conservation and does not damage the material. Special care is taken in case of more radiation sensitive materials like textiles. Desinsection of textile with doses 0.5–2 kGy is efficient and reliable and does not cause changes in the material. Using higher doses for disinfection (2-10 kGy for control of fungi, 5-20 kGy for decontamination) must be justified. In cooperation with the Croatian Conservation Institute (CCI) many historical liturgical textile items that had been kept under inadequate conditions were treated for desinsection. After completion of conservation and restoration the objects were returned to the monasteries and churches or stored in a special depot for preventive maintenance of textiles, Textiloteka, in CCI Restoration Center, Ludbreg. The desinsection treatment of numerous garments of the Alka collection, which have been entrusted to CCI for conservation and restoration, is another example of successful application of the irradiation method.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

POVEZANOST RADA