Monitoring the natural aging degradation of paper by fluorescence

Martı́nez, J. R.; Villena, Alejandra Nieto; Cruz-Mendoza, J.A. de la; Ortega-Zarzosa, G.; Guerrero, A. Lobo

doi:10.1016/j.culher.2017.01.011

Cited by 19 publications

(18 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…c Reflectance spectra acquired from five areas before and after treatments (7T, black lines: white area treated with essential oils from Thymus vulgaris at 1%; 1C, blue lines and 1Cr, red lines: two red areas used as control; 2C, green lines: white are used as control; 4LT, orange lines: green area treated with mix of EOs at 10%) of results, the agreement from the two methods indicates that the use of these EOs does not alter the characteristics of the treated surface. Fluorescence spectroscopy and colour spectrophotometry confirmed to be useful tools to be employed as a non-destructive technique for 'in situ' analysis on different valuable artefacts like paintings, ancient paper (Sanmartín et al 2015;Martinez et al 2017;Pozo-Antonio et al 2017).…”

Section: Resultsmentioning

confidence: 99%

Biodeterioration of Roman hypogea: the case study of the Catacombs of SS. Marcellino and Pietro (Rome, Italy)

et al. 2019

View full text Add to dashboard Cite

No information exists on phototrophs growing on the stone surfaces of the Catacombs of SS. Marcellino and Pietro (the site was only recently opened to the public in 2014). Therefore, it was decided to characterise the microbial communities and to compare them with those of the other previously studied catacombs. Moreover, a new non-invasive strategy to reduce the phototrophic growth was tested. Phototrophic microorganisms were investigated under light and confocal laser scanning microscopes from samples collected non-invasively in situ. Tests were carried out to determine the effect of the application of two essential oils (from L. angustifolia and T. vulgaris) on biofilm photosynthetic activity. Laser-induced fluorescence (LIF) and reflectance measurements in the visible range have been used to evaluate respectively, any chemical modification and discolouration on a frescoed stone that may occur after the application of the essential oils. At all the concentrations of essential oils, there was a quasi-immediate, large reduction in photosynthetic activity of the biofilms. At 10% essential oil concentration, there was no detectable photosynthetic activity after 15 min. At 1%, there was a need for two applications and after 5-day activity was undetectable. No effect of the essential oils on the substrate surface properties or colour modification of the fresco has been observed with the LIF prototype. Cyanobacterial typical of Roman catacombs were present in the sites investigated. Innovative and non-destructive strategies, involving the application of a combination of two essential oils, have been successfully tested and developed to prevent biodeterioration of these sites.

show abstract

Section: Resultsmentioning

confidence: 99%

Biodeterioration of Roman hypogea: the case study of the Catacombs of SS. Marcellino and Pietro (Rome, Italy)

et al. 2019

View full text Add to dashboard Cite

show abstract

“…The higher intensity peak at 448 nm should be mostly produced by the brightener (or called fluorescence brightener) which is commonly used to improve the whiteness of paper in the papermaking industry, while the fluorescence peak at 480 nm is principally due to the emission obtained from cellulose compounds. 15 With the increasing ages, these two fluorescence peaks change in absolute intensities and the ratio of peak intensities was also influenced. For the paper samples with the increasing ages in the range of 18–35 years (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The measured fluorescence spectra obtained from 14 paper samples with different ages, in the case of 6,7,8,10,12,15,16,17,18,20,22,25,30, and 35 years, are shown in Fig. 3.…”

Section: Resultsmentioning

confidence: 99%

“…In recent years, some microdestructive and nondestructive methods have successfully applied to determine the paper degradation, including atomic force microscopy (AFM), 4 enzymatic biosensor, 5 chemiluminescence, 6 attenuated total reflectance Fourier transform infrared (ATR FT-IR) spectroscopy, 7,8 UV–Vis reflectance spectroscopy, 2,9–11 Raman spectroscopy, 12 hyperspectral imaging, 13 and fluorescence spectroscopy. 14,15 Nevertheless, most of these studies about paper aging have only analyzed the characteristics of pure cellulose obtained from the artificially aged papers, while less attention have been paid to the naturally aged modern papers or ancient papers. In addition, few studies have been pursued to study the classification of papers with different ages and the quantitative estimation of paper age-related changes.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optical Characterization of Paper Aging Based on Laser-Induced Fluorescence (LIF) Spectroscopy

et al. 2018

View full text Add to dashboard Cite

Paper aging and degradation are growing concerns for those who are responsible for the conservation of documents, archives, and libraries. In this study, the paper aging was investigated using laser-induced fluorescence spectroscopy (LIFS), where the fluorescence properties of 47 paper samples with different ages were explored. The paper exhibits fluorescence in the blue-green spectral region with two peaks at about 448 nm and 480 nm under the excitation of 405 nm laser. Both fluorescence peaks changed in absolute intensities and thus the ratio of peak intensities was also influenced with the increasing ages. By applying principal component analysis (PCA) and k-means clustering algorithm, all 47 paper samples were classified into nine groups based on the differences in paper age. Then the first-derivative fluorescence spectral curves were proposed to figure out the relationship between the spectral characteristic and the paper age, and two quantitative models were established based on the changes of first-derivative spectral peak at 443 nm, where one is an exponential fitting curve with an R-squared value of 0.99 and another is a linear fitting curve with an R-squared value of 0.88. The results demonstrated that the combination of fluorescence spectroscopy and PCA can be used for the classification of paper samples with different ages. Moreover, the first-derivative fluorescence spectral curves can be used to quantitatively evaluate the age-related changes of paper samples.

show abstract

“…Durability of the paper refers to the ability to resist the erosion of natural conditions (such as light, heat, moisture, microbes) on its properties (such as tensile strength, whiteness, etc.). 34,35 If the performance of the paper is not signicantly reduced during a long period of time, it indicates that the paper has a long lifetime and good durability; otherwise, it has a poor durability.…”

Section: Durabilitymentioning

confidence: 99%

A new kind of nanocomposite Xuan paper comprising ultralong hydroxyapatite nanowires and cellulose fibers with a unique ink wetting performance

Shao

Zhu

et al. 2019

RSC Adv.

View full text Add to dashboard Cite

show abstract

Monitoring the natural aging degradation of paper by fluorescence

Cited by 19 publications

References 32 publications

Biodeterioration of Roman hypogea: the case study of the Catacombs of SS. Marcellino and Pietro (Rome, Italy)

Biodeterioration of Roman hypogea: the case study of the Catacombs of SS. Marcellino and Pietro (Rome, Italy)

Optical Characterization of Paper Aging Based on Laser-Induced Fluorescence (LIF) Spectroscopy

A new kind of nanocomposite Xuan paper comprising ultralong hydroxyapatite nanowires and cellulose fibers with a unique ink wetting performance

Contact Info

Product

Resources

About