Light & Engineering 27 (4)

Volume 27
Date of publication 09/12/2019
Pages 17-24

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Studies on Germicidal Benefit of Ultra Violet Ray upon Old Paper Documents. L&E 27 (4) 2019

Articles authors:

Anubrata Mondal, Kamalika Ghosh

Anubrata Mondal, M.Tech., Lecturer, Head of the Department of electrical engineering of South Kolkata Polytechnic, India

Kamalika Ghosh, Ph.D. She has 20 years industrial experiences. She was Director of Schoolof Illumination, Science, Engineering and Design, Jadavpur University, Kolkata, India. She has more than 60 number of published papers. Guided 60 nos. M.E. / M.Tech Thesis and Sole supervisor of two nos. awarded Ph.D. She is a Life Fellow of Institution of Engineers, India, Indian Society of Lighting Engineers and Association of Engineers, India

Abstract:

In the ever-changing world, cultural heritage, especially through documents, plays an important role in a civilized developing country. The documents specially made of paper are organic products and more prone to bacterial formation. From most of the heritage archives, it has been informed/ observed that bacteria destroys the important documents. The conservations of these articles are essential. From the point of view for good lighting system design, one can utilize a photobiological effect of light, i.e., UV range of the light source is killing bacteria too. Experimentation has been carried out on different paper documents with different intensities of UV contents from light sources. The bacteria content in a sample at the initial stage as well as after UV treatments with different intensities have been noted, analyzed, and furnished in this paper. The process shows a successful result as per expectation. If this methodology can be implemented for the conservation of paper archives, it will give a fruitful result for the conservation of our cultural heritage, which is very much valuable for the development of a society.

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Keywords

DOI: https://doi.org/10.33383/2018-024