Characterization of Historical Bookbinding Leather by Ftir,sem -Edx and Investigation of Fungal Species Isolated From the Leather

Mansour, M. H.; Hassan, Rushdya Rabee Ali; Salem, Mohamed Z. M.

doi:10.21608/ejars.2017.6823

Cited by 9 publications

(2 citation statements)

References 31 publications

(44 reference statements)

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“…In recent decades, a challenge has emerged for restorers, architects and researchers on the development of appropriate treatments for contaminated objects and the prevention of fungal growth. Fungi can inhabit, alter and degrade all types of organic and inorganic materials [26]. The inactivation of fungal and bacterial species by ultra-violet radiation (UV) has been known for a long time [27].…”

Section: Literature Reviewmentioning

confidence: 99%

Microbiological, Health and Comfort Aspects of Indoor Air Quality in a Romanian Historical Wooden Church

Marcu

Hodor

Indrie

et al. 2021

IJERPH

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Monitoring the indoor microclimate in old buildings of cultural heritage and significance is a practice of great importance because of the importance of their identity for local communities and national consciousness. Most aged heritage buildings, especially those made of wood, develop an indoor microclimate conducive to the development of microorganisms. This study aims to analyze one wooden church dating back to the 1710s in Romania from the microclimatic perspective, i.e., temperature and relative humidity and the fungal load of the air and surfaces. One further aim was to determine if the internal microclimate of the monument is favorable for the health of parishioners and visitors, as well as for the integrity of the church itself. The research methodology involved monitoring of the microclimate for a period of nine weeks (November 2020–January 2021) and evaluating the fungal load in indoor air as well as on the surfaces. The results show a very high contamination of air and surfaces (>2000 CFU/m3). In terms of fungal contamination, Aspergillus spp. (two different species), Alternaria spp., Cladosporium spp., Mucor spp., Penicillium spp. (two different species) and Trichopyton spp. were the genera of fungi identified in the indoor wooden church air and Aspergillus spp., Cladosporium spp., Penicillium spp. (two different species) and Botrytis spp. on the surfaces (church walls and iconostasis). The results obtained reveal that the internal microclimate not only imposes a potential risk factor for the parishioners and visitors, but also for the preservation of the wooden church as a historical monument, which is facing a crisis of biodeterioration of its artwork.

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Section: Literature Reviewmentioning

confidence: 99%

Microbiological, Health and Comfort Aspects of Indoor Air Quality in a Romanian Historical Wooden Church

Marcu

Hodor

Indrie

et al. 2021

IJERPH

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“…The authors reported that the most common fungal strains isolated from historical papers were A. flavus and A. niger, whereas the fungal strains A. terreus, A. niger, and A. flavus were the most common strains isolated from leather bookbinding. Mansour et al reported that the fungal strains Cladosporium cladosporioides, Eurotium chevalieri, Fusarium poae, Wallemia sebi, A. fumigatus, and A. tamarii were the most common fungi isolated from leather bookbinding dating back to 18th century [41].…”

Section: Fungal Isolation and Identificationmentioning

confidence: 99%

An Eco-Friendly Approach Utilizing Green Synthesized Titanium Dioxide Nanoparticles for Leather Conservation against a Fungal Strain, Penicillium expansum AL1, Involved in the Biodeterioration of a Historical Manuscript

Fouda

Abdel-Nasser²,

Eid

et al. 2023

Biology

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The main hypothesis of the present research is investigating the efficacy of titanium oxide nanoparticles (TiO2-NPs) to prevent the growth of fungal strains when applied on leather under an experimental study. Therefore, fifteen fungal strains were isolated from a deteriorated historical manuscript (papers and leathers) and identified by traditional methods and ITS sequence analysis, including Aspergillus chevalieri (one isolate), A. nidulans (two strains), A. flavus (four strains), A. cristatus (one strain), A. niger (one strain), Paecilomyces fulvus (two strains), Penicillium expansum (two strains), and P. citrinum (two strains). The enzymes cellulase, amylase, pectinase, and gelatinase, which play a crucial role in biodegradation, were highly active in these fungal strains. TiO2-NPs were formed using the cell-free filtrate of the probiotic bacterial strain, Lactobacillus plantarum, and characterized. Data showed that the TiO2-NPs were successfully formed with a spherical shape and anatase phase with sizes of 2–8 nm. Moreover, the EDX analysis revealed that the Ti and O ions occupied the main component with weight percentages of 41.66 and 31.76%, respectively. The in vitro cytotoxicity of TiO2-NPs toward two normal cell lines, WI38 and HFB4, showed a low toxicity effect against normal cells (IC50 = 114.1 ± 8.1µg mL–1 for Wi38, and 237.5 ± 3.5µg mL–1 for HFB4). Therefore, concentrations of 100 μg mL–1 were used to load on prepared leather samples before inoculation with fungal strain P. expansum AL1. The experimental study revealed that the loaded TiO2-NPs have the efficacy to inhibit fungal growth with percentages of 73.2 ± 2.5%, 84.2 ± 1.8%, and 88.8 ± 0.6% after 7, 14, and 21 days, respectively. Also, the analyses including SEM, FTIR-ART, color change, and mechanical properties for leather inoculated with fungal strain AL1 in the absence of NPs showed high damage aspects compared to those inoculated with fungal strains in the presence of TiO2-NPs.

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Decorated Corams of Palazzo Chigi: Characterisation and Preservation Treatment

Vadrucci,

Cicero,

Chiari

et al. 2024

Digital Innovations in Architecture, Engineering and Construction

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Characterization of Historical Bookbinding Leather by Ftir,sem -Edx and Investigation of Fungal Species Isolated From the Leather

Cited by 9 publications

References 31 publications

Microbiological, Health and Comfort Aspects of Indoor Air Quality in a Romanian Historical Wooden Church

Microbiological, Health and Comfort Aspects of Indoor Air Quality in a Romanian Historical Wooden Church

An Eco-Friendly Approach Utilizing Green Synthesized Titanium Dioxide Nanoparticles for Leather Conservation against a Fungal Strain, Penicillium expansum AL1, Involved in the Biodeterioration of a Historical Manuscript

Decorated Corams of Palazzo Chigi: Characterisation and Preservation Treatment

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