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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   FALL 2017 , Volume 32 , Number 3 (60) #p00537; Page(s) 345 To 358.
 
Paper: 

The assessment of antifungal effect of thiophanate-methyl on paper deteriorating fungi and its application in conservation paper works

 
 
Author(s):  ABDOLALIZADEH M.*, AZADI BOYAGHCHI M., MOHAMMADI ACHACHLUEI M., Mohammadypour M.
 
* Faculty of conservation, Art University of Isfahan, Tabriz, Iran
 
Abstract: 
Paper works are severely attacked by biological agents such as fungi, bacteria and insects due to its organic nature and in archives, most of the biological destruction of paper is caused by fungi. The importance of paper works conservation has led to applying different methods to fungus removal. The chemical disinfection is the most common disinfection methods. In this research, the application of Thiophanate methyl in elimination of paper destructive fungi has been studied. Laboratory studies to evaluate the effects of Thiophanate methyl on paper and fungus included accelerated ageing, the evaluation of effectiveness of antifungal Thiophanate methyl on fungi such as Aspergillusniger, Aspergillusflavus and Penicilliurnsp and determination of antifungal stability after accelerated ageing. Examination shows that Thiophanate methyl has successfully prevented spread of fungus upon dosages of 10, 50, 100, 200 and 500 ppm. Aspergillus flavus fungus had a slight growth at 10 ppm, but no growth was observed in other dosages. Aspergillusniger fungus had no growth capacity in dosages more than 100 ppm. According to the results, treated papers are still able to control fungus growth after accelerated ageing condition. In general, the results obtained by fungus growth halo and non-growth halo indicate that all fungi are controllable in dosage of 200 ppm.
 
Keyword(s): Paper,thiophanate methyl,fungus cultivation,ageing condition,conservation and restoration
 
References: 
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