Evaluation of a gelatin-based adhesive for historic paintings that incorporates citronella oil as an eco-friendly biocide

Lee, Yu; Martín-Rey, Susana; Osete-Cortina, Laura; Martín-Sánchez, Inés; Bolívar-Galiano, Fernando; Doménech‐Carbó, María Teresa

doi:10.1080/01694243.2018.1477411

Cited by 13 publications

(12 citation statements)

References 67 publications

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“…The spectra were processed using the OPUS 7.2/IR software. The values of the reduced elastic modulus (Er) were obtained for each pixel by mathematically fitting the retract curve region [ 107 ] using the Derjaguin, Muller, Toropov (DMT) model [ 108 ], which established the equation:

where F tip and F adh are the force on the tip and the adhesion force d is the tip-sample separation and R is the radius of the tip end. …”

Section: Methodsmentioning

confidence: 99%

New Insights into the Medieval Hispano-Muslim Panel Painting: The Alfarje Found in a Balearic Casal (Spain)

et al. 2023

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Hispano-Muslim culture flourished during the Middle Ages in the Iberian Peninsula and Balearic Islands. During the restoration of a Balearic nobiliary building (casal), several panels with polychrome decoration on the back side were found. They were part of an old Muslim wooden ceiling (alfarje). A multi-technique strategy including optical microscopy, infrared and μRaman spectroscopies, field emission scanning electron microscopy-X-ray microanalysis (FESEM-EDX), focused ion beam (FIB-FESEM-EDX), atomic force microscopy nanoindentation (AFM-NI), and gas chromatography-mass spectrometry (GC-MS) has been applied in the analysis of these panel paintings and has provided morphological and compositional data that have led to the identification of the materials and artistic technique as well as the alteration mechanisms due to the natural aging and the adverse conditions of conservation. As a novelty, this study has confirmed the use of indigo as a blue pigment, an unusual material in Hispano-Muslim panel painting. Apart from the notable change in the visual appearance observed in the paintings, the study has also confirmed a change in the mechanical resistance in the paint layers. These changes have been induced by the combination of the chemical and microbiological alteration mechanisms identified.

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where F tip and F adh are the force on the tip and the adhesion force d is the tip-sample separation and R is the radius of the tip end. …”

Section: Methodsmentioning

confidence: 99%

New Insights into the Medieval Hispano-Muslim Panel Painting: The Alfarje Found in a Balearic Casal (Spain)

et al. 2023

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“…10%. More details on the procedure used for calculating the EM of samples are found elsewhere [47] and also provided as Additional file 1. The EM values provided by the NI-AFM are representative of the mechanical behaviour at micro/nanoscale of the paint layer in the tested area of the same.…”

Section: Instrumentationmentioning

confidence: 99%

“…These features can be interpreted on the basis of studies on the degradation of indigo and Prussian blue pigments [42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58][59]. The indigo degradation is in principle promoted by oxidants [42], being particularly intense the degradation produced by light [43].…”

Section: Degradation Pathwaysmentioning

confidence: 99%

Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian blue

Doménech‐Carbó

Osete-Cortina

et al. 2020

Herit Sci

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The degradation of laboratory oil paint film specimens containing indigo and Prussian blue pigments and pictorial samples from the Sant Francesc de Paula painting exhibited in the Tomàs Balvey Arxiu Museum (Cardedeu (Catalonia), Spain) has been studied by voltammetry of immobilized particles. This technique, combined with light microscopy, scanning electron microscopy-energy dispersive X-ray analysis, nanoindentation-atomic force microscopy, attenuated total reflectance-Fourier-transform infrared spectroscopy and gas chromatography-mass spectroscopy techniques permits the proposal of a dual scheme for the degradation of the pigments when naturally aged and submitted to accelerated UVA aging. Under conditions of moderate temperature, humidity and natural illumination, and low gradients of these parameters, Prussian blue acts as a radical scavenger moderating the production of reactive oxygen species produced in the oil binding medium by the action of ultraviolet radiation, resulting in the formation, in the solid state, of the solid-solution, {KFe III [Fe II (CN) 6 ]} x {Fe III [Fe III (CN) 6 ]} 1-x , known as Berlin green, which then promotes the formation of indigo adducts with radicals. In several localized areas of the Sant Francesc de Paula paint showing strong degradation, Prussian blue acts as a promoter of the indigo oxidation to isatin, thus resulting in a considerable chromatic shift.

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“…More details on the procedure used for calculating the EM of samples are found elsewhere [47] and also provided as supplementary electronic material. The EM values provided by the NI-AFM are representative of the mechanical behaviour at micro/nanoscale of the paint layer in the tested area of the same.…”

Section: Instrumentationmentioning

confidence: 99%

Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian blue

Doménech‐Carbó

Osete-Cortina

et al. 2020

Preprint

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Abstract The degradation of laboratory oil paint film specimens containing indigo and Prussian blue pigments and pictorial samples from the Sant Francesc de Paula painting exhibited in the Tomàs Balvey Arxiu Museum (Cardedeu (Catalonia), Spain) has been studied by voltammetry of immobilized particles. This technique, combined with light microscopy, scanning electron microscopy-energy dispersive X-ray analysis, nanoindentation-atomic force microscopy, attenuated total reflectance-Fourier-transform infrared spectroscopy and gas chromatography-mass spectroscopy techniques permits the proposal of a dual scheme for the degradation of the pigments when naturally aged and submitted to accelerated UVA aging. Under conditions of moderate temperature, humidity and natural illumination, and low gradients of these parameters, Prussian blue acts as a radical scavenger moderating the production of reactive oxygen species produced in the oil binding medium by the action of ultraviolet radiation, resulting in the formation, in the solid state, of the solid-solution, {KFeIII[FeII(CN)6]}x{FeIII[FeIII(CN)6]}1–x, known as Berlin green, which then promotes the formation of indigo adducts with radicals. In several localized areas of the Sant Francesc de Paula paint showing strong degradation, Prussian blue acts as a promoter of the indigo oxidation to isatin, thus resulting in a considerable chromatic shift.

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Evaluation of a gelatin-based adhesive for historic paintings that incorporates citronella oil as an eco-friendly biocide

Cited by 13 publications

References 67 publications

New Insights into the Medieval Hispano-Muslim Panel Painting: The Alfarje Found in a Balearic Casal (Spain)

New Insights into the Medieval Hispano-Muslim Panel Painting: The Alfarje Found in a Balearic Casal (Spain)

Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian blue

Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian blue

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