Susceptibility of Cellulose to Attack by Cellulolytic Microfungi after Gamma Irradiation and Ageing

Adamo, Marianna; Magaudda, G.; Nisini, P. Trionfetti; Tronelli, G.

doi:10.1515/rest.2003.145

Cited by 20 publications

(8 citation statements)

References 9 publications

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“…[37,38]. Moreover, further experimental trials were carried out to investigate whether, and up to which level, the chemical and physical changes induced in paper (newspaper, magazine, permanent paper and cellulose) by irradiation and/ or ageing could negatively predispose this material, once treated, to the attack of destructive insects and microscopic fungi, increasing their harmfulness [39,40]. The results of all testing activities lead to the assessment that the ionizing radiation treatment is extremely effi cient for the disinfestations against harmful insects and for disinfection against microfungi.…”

Section: Researches On Conservation/preservation and On Consolidationmentioning

confidence: 99%

Radiation activities and application of ionizing radiation on cultural heritage at ENEA Calliope gamma facility (Casaccia R.C., Rome, Italy)

Baccaro

Cemmi

2017

Nukleonika

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Since the 1980s, research and qualification activities are being carried out at the 60Co gamma Calliope plant, a pool-type irradiation facility located at the Research Centre ENEA-Casaccia (Rome, Italy). The Calliope facility is deeply involved in radiation processing research and on the evaluation and characterization of the effects induced by gamma radiation on materials for different applications (crystals, glasses, optical fibres, polymers and biological systems) and on devices to be used in hostile radiation environment such as nuclear plants, aerospace and high energy physics experiments. All the activities are carried out in the framework of international projects and collaboration with industries and research institutions. In the present work, particular attention will be paid to the cultural heritage activities performed at the Calliope facility, focused on two different aspects: (a) conservation and preservation by bio-deteriogen eradication in archived materials, and (b) consolidation and protection by degraded wooden and stone porous artefacts consolidation.

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Section: Researches On Conservation/preservation and On Consolidationmentioning

confidence: 99%

Radiation activities and application of ionizing radiation on cultural heritage at ENEA Calliope gamma facility (Casaccia R.C., Rome, Italy)

Baccaro

Cemmi

2017

Nukleonika

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“…The effects of ionizing radiation on CH materials were studied mainly for cellulosic materials, especially for paper [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] and pigments [23][24][25]. Most authors agree that reducing the degree of cellulose polymerization is the main side effect of paper irradiation.…”

Section: Radiation Processing For Cultural Heritage Preservation -Rommentioning

confidence: 99%

Radiation processing for cultural heritage preservation – Romanian experience

et al. 2017

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Abstract. Radiation sterilization has been considered a mass decontamination technique for biodegradable cultural heritage (CH) since its widespread application in the medical fi eld. Initial experiments have revealed advantages, for example, effi ciency and effectiveness, but also disadvantages, namely "side effects" concerning CH materials. More than 50 years later, the adequacy of ionizing radiation for some CH artefacts is still the subject of discussion. The main reason why is that science and industry are not yet able to provide a more effi cient technique for treating mass decontamination. For wooden items, there is general agreement that the irradiation dose required for insect eradication is not damaging, even in the case of polychromed wood. For cellulose pulp (paper), there is a reduction in polymerization degree (DP) at the high doses necessary to stop the attack of fungi, but this should be considered taking into account the purpose of the treatment. Emergency or rescue treatments are necessary to mitigate the consequences of accidents or improper storage conditions. In some cases (archives), the value of written information is greater than the historical value of the paper support. For other materials, namely textiles, leather and parchment, less research has been published on the effect of ionizing radiation treatment. As a general rule, irradiation is not necessary when only a few CH elements are present that are affected by biological contamination since restorers can solve the problem by classical means. The need for radiation treatment arises when large collections (hundreds, thousands or even more elements) are heavily affected by the biological attack. In Romania, the IRASM gamma irradiator of IFIN-HH is receiving an increasing number of requests for CH treatment, mainly due to an intensive research programme concerning this topic and close liaison with CH owners or administrators. Besides reviewing the scientifi c results obtained in Romania and abroad, this paper presents some examples from experiences in Romania.

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“…The choice of the use of ionizing radiation as a treatment method for disinfection of collections, when compared to other traditional methods used in the area (Table 1), allows a relative ease of application and immediate effectiveness, leaves no chemical residues, no it activates the nuclei of the materials and the processed products do not require quarantine [8][9][10][11]. Another advantage is related to the possibility of eradicating insects and fungi definitively, since the radiation acts at any stage of their life cycle [12,13], which guarantees reliability in the treatment of biodeterioration. Effective, but carcinogenic.…”

Section: Introductionmentioning

confidence: 99%

Irradiation protocol for cultural heritage conservation treatment

Nagai¹,

Santos²,

Vásquez³

2021

Braz. J. Rad. Sci.

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Ionizing radiation supplied by cobalt-60 is an excellent alternative tool to the traditional process of decontamination of cultural and historical materials, mainly because of its biocidal action. Analyzing the occurrence of requests for treatment materials from cultural institutions with ionizing radiation for fungal decontamination in the Multipurpose Gamma Irradiation Facility of the Nuclear and Energy Research Institute - CTR/IPEN, there was a need to establish a protocol for the care of institutions and individuals carrying cultural and historical collections. The study proposal was the establishment an efficient and reproducible model of an irradiation protocol for the treatment of cultural heritage materials in industrial irradiators, respecting the ethical principles of conservation and restoration activities. The objective of the protocol is to be a practical guide, from the detection of the problem to the final cleaning, so that conservator-restorers and professionals of the irradiation can act in a collaborative and objective way to reach the objective of the treatment.

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Susceptibility of Cellulose to Attack by Cellulolytic Microfungi after Gamma Irradiation and Ageing

Cited by 20 publications

References 9 publications

Radiation activities and application of ionizing radiation on cultural heritage at ENEA Calliope gamma facility (Casaccia R.C., Rome, Italy)

Radiation activities and application of ionizing radiation on cultural heritage at ENEA Calliope gamma facility (Casaccia R.C., Rome, Italy)

Radiation processing for cultural heritage preservation – Romanian experience

Irradiation protocol for cultural heritage conservation treatment

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