The conservation of the cultural heritage, such as old books, manuscripts, paintings etc. is particularly important, for both their artistic and historical values. These types of materials are often exposed to usage or storage conditions where efficient biodeterioration mechanisms take place. Deterioration of these materials occurs naturally as a result of aging, but it can be accelerated by poor storage conditions (humidity) that lead to fungi growth and negative chemically effects. Firstly, this work concerns with isolation and identification of a fungal species that infects an 18th century book. The identification was based on morphological analysis made by light and SEM microscopy and on ribosomal DNA loci amplification and sequencing. One fungal strain, Aspergillus versicolor, was identified as responsible of book biodeterioration. Then, A. versicolor was used as biodeteriogen to contaminate paper samples exposed two degradation processes (exposure to wet atmosphere and to acidic attack) simulating storage conditions of 18th century book. Secondly, microwave heating at three different temperatures (30, 58 and 63 °C) was applied on paper samples affected by spots originating from A. versicolor in order to evaluate the effectiveness of microwave in cleaning of artworks from fungi. Scanning electron microscopy and cellulose degree of polymerization were used for visual inspection and characterization of the paper samples before and after the treatments respectively. The best results were obtained by exposure of paper samples for few minutes at 58 and 63 °C, while the lower temperature (30 °C) didn’t inhibit A. versicolor’s growth.
Cellulose – Springer Journals
Published: Feb 12, 2018
It’s your single place to instantly
discover and read the research
that matters to you.
Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.
All for just $49/month
Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly
Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.
Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.
Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.
All the latest content is available, no embargo periods.
“Hi guys, I cannot tell you how much I love this resource. Incredible. I really believe you've hit the nail on the head with this site in regards to solving the research-purchase issue.”Daniel C.
“Whoa! It’s like Spotify but for academic articles.”@Phil_Robichaud
“I must say, @deepdyve is a fabulous solution to the independent researcher's problem of #access to #information.”@deepthiw
“My last article couldn't be possible without the platform @deepdyve that makes journal papers cheaper.”@JoseServera