Alizarin old and new : Extraction techniques for coloration, advances in detection methods for historical textiles and novel applications as a functional dye / Khai Ly Do in COLORATION TECHNOLOGY, Vol. 140, N° 1 (02/2024)  

[article]  inCOLORATION TECHNOLOGY > Vol. 140, N° 1 (02/2024) . - p. 5-29 Titre : Alizarin old and new : Extraction techniques for coloration, advances in detection methods for historical textiles and novel applications as a functional dye Type de document : texte imprimé Auteurs : Khai Ly Do, Auteur ; Asim Mushtaq, Auteur ; Feng Zhao, Auteur ; Miao Su, Auteur Année de publication : 2024 Article en page(s) : p. 5-29 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alizarine L'alizarine est un colorant rouge d'origine végétale, extrait de la racine de la garance des teinturiers (Rubia tinctorum L.), une plante vivace de la famille des Rubiacées, autrefois largement cultivée pour la teinture qu'elle fournissait. Antimicrobiens Antioxydants Antiquités (objets anciens) -- Analyse Colorants végétaux Extraction (chimie) Protection contre le rayonnement ultraviolet Répulsifs (chimie) Teinture -- Fibres textiles Textiles et tissus -- Analyse Index. décimale : 667.3 Teinture et impression des tissus Résumé : The current study provides the first review of alizarin, a natural dye, in terms of its historical aspects and its potential for functional applications in textiles. The review begins with a brief overview of natural alizarin and its occurrence in Rubiaceae family plants, followed by a discussion of alizarin acquisition from its botanical sources through conventional and advanced extraction methods. A special emphasis of this study is on the identification of natural alizarin colourants in archaeological and cultural textiles by using analytical methods based on reflectance, Raman spectroscopy, mass spectrometry and chromatographic profiles. In addition, the functional properties of natural alizarin, including its antimicrobial activity, anti-oxidant activity, insect repellence and ultraviolet protection, are analysed. This paper summarises the methods for obtaining alizarin for coloration, as well as advanced techniques for detecting alizarin in historical textiles, and potential applications of natural alizarin as a functional textile dye. Note de contenu : - HISTORY AND BOTANICAL PROVENANCE OF ALIZARIN - EXTRACTION METHODS OF ALIZARIN FROM RUBIACEAE FAMILY PLANTS : Conventional extraction methods - Advanced extraction methods - IDENTIFICATION OF ALIZARIN IN HISTORICAL TEXTILES : Reflectance-based methods - Direct analysis in real time - Surface-enhanced Raman spectroscopy - High-performance liquid chromatography - POTENTIAL APPLICATIONS OF ALIZARIN FOR FUNCTIONAL TEXTILES : Antimicrobial activity - Anti-oxidant activity - Insect-repellent activity - UV-protective activity - Table 1 : Proposed list of plants containing alizarin as a colouring compound - Table 2 : A summary of various methods for alizarin extraction from Rubiaceae family plants - Table 3 : Summary of alizarin identification in historical and archaeological textiles DOI : https://doi.org/10.1111/cote.12711 En ligne : https://drive.google.com/file/d/1fLCZq7maaS7iQcRwPrJqlYbquisBc5TI/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40387 [article]

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Analytical study for evaluating the condition of leather binding of a historical manuscript / Gomaa Abdel-Maksoud in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 108, N° 3 (05-06/2024)

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 108, N° 3 (05-06/2024) . - p. 113-121 Titre : Analytical study for evaluating the condition of leather binding of a historical manuscript Type de document : texte imprimé Auteurs : Gomaa Abdel-Maksoud, Auteur ; Muhammad El-Qubaisy, Auteur ; Usama Mohammad Rashed, Auteur Année de publication : 2024 Article en page(s) : p. 113-121 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiquités (objets anciens) -- Analyse Cuirs et peaux -- Détérioration Manuscrits Reliure Tags : 'Reliure  en  cuir'  'Manuscrit  historique'  'Période  ottomane'  Détérioration  Documentation  'Techniques  analytiques' Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : There are a large number of leather bound paper manuscripts in the Al-Azhar Library. These manuscripts suffer from deterioration because of unsuitable environmental conditions in their previous or current preservation places. This study aims to evaluate the condition of the leather binding of a copied historical manuscript of "The Low of Medicine by Ibn Sina" dated back to 1294 AH - 1877 AD which is preserved in the Al-Azhar Library. Digital microscopy and AutoCad were used to document the aspects of deterioration. The analytical techniques used for the explanation of the deterioration mechanism include the investigation of the surface morphology using digital and Scanning Electron Microscope (SEM) and analysis by Energy Dispersive X-ray (EDX), pH measurement, and Attenuated Total Reflectance/Fourier Transform Infrared (ATR-FTIR). The results showed that the common aspects of deterioration were various types of stains, insect holes, detachment, tears, and erosion. The analytical techniques showed that the studied leather binding suffered from adverse deterioration and chemical instability. It also suffers from a decreased pH value, which affects the chemical instability. The presence of some elements, such as calcium, silicon, and iron, indicates the influence of pollution from the various preservation environments in which the manuscript’s binding was preserved. The study recommends providing conservation treatment and preventive conservation for the leather binding of the manuscript studied. Note de contenu : - Materials - Methods - Documentation - Investigation and analysis Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41136 [article]

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Armenian cochineal (Porphyrophora hamelii) and purpurin-rich madder in ancient polychromy / Dimitrios Mantzouris in COLORATION TECHNOLOGY, Vol. 131, N° 5 (10/2015)  

[article]  inCOLORATION TECHNOLOGY > Vol. 131, N° 5 (10/2015) . - p. 370-373 Titre : Armenian cochineal (Porphyrophora hamelii) and purpurin-rich madder in ancient polychromy Type de document : texte imprimé Auteurs : Dimitrios Mantzouris, Auteur ; Ioannis Karapanagiotis, Auteur Année de publication : 2015 Article en page(s) : p. 370-373 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alizarine L'alizarine est un colorant rouge d'origine végétale, extrait de la racine de la garance des teinturiers (Rubia tinctorum L.), une plante vivace de la famille des Rubiacées, autrefois largement cultivée pour la teinture qu'elle fournissait. Antiquités (objets anciens) -- Analyse Cochenilles Colorants -- Identification Extraction par solvant Garance et constituants Index. décimale : 667.2 Colorants et pigments Résumé : Samples removed from funeral figurines, dated the third to the second century BC (Hellenistic period) and found in Macedonia, Greece, are investigated using high-performance liquid chromatography. Two results are reported that provide new insights into ancient polychromy. Firstly, high-performance liquid chromatography results, in combination with historical information, indicate that insect species of cochineal, most probably Porphyrophora hamelii Brandt, was used in Hellenistic objects. Secondly, madder detected in the archaeological samples contains high amounts of purpurin (alizarin is either not detected or detected in trace). This relative composition, which is recorded using the hydrochloric acid method for dyestuff extraction, is consistent with that prepared from wild madder (Rubia peregrina L.), which is a common plant in the Mediterranean region. Note de contenu : - Solvents and chemicals - Samples for analysis - Sample preparation - Chromatography DOI : 10.1111/cote.12169 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12169 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24663 [article]

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Condition assessment of a mamluk historical illuminated leather binding at the library of Mashiakht El-Azhar, egypt / Gomaa Abdel-Maksoud in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 105, N° 5 (09-10/2021)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 105, N° 5 (09-10/2021) . - p. 248-256 Titre : Condition assessment of a mamluk historical illuminated leather binding at the library of Mashiakht El-Azhar, egypt Type de document : texte imprimé Auteurs : Gomaa Abdel-Maksoud, Auteur ; Mostafa Abdel-Hamied, Auteur ; Ahmed A. M. Abdelhafez, Auteur Année de publication : 2021 Article en page(s) : p. 248-256 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiquités (objets anciens) -- Analyse Cuirs et peaux -- Détérioration Reliure Index. décimale : 668.5 Parfums et cosmétiques Résumé : This study focuses on the evaluation and assessment of the condition of a deteriorated illuminated leather binding dated back to the Egyptian Mamluk period (1250-1517 H) at library of Mashiakht El-Azhar, Egypt. Some analytical techniques have been used in order to identify the decorative materials, evaluate the condition, and study deterioration mechanisms of this leather binding. Different microscopes (digital USB, stereomicroscope and scanning electron microscope (SEM) with Energy Dispersive X-Ray analysis (EDX) were used. Additionally, the analysis by portable X-ray fluorescence (pXRF) was used for the qualitative and quantitative analysis of elements in the golden layer. Moreover, pH measurement, and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) analysis has been used to explain the chemical deterioration of historical leather and to identify the decorative agents. On the basis of investigation by different microscopes, the golden colour on the surface of historical leather cover has been gilded, and not painted. The results of investigation by microscopy for the illuminated and non-illuminated leather parts showed different signs of deterioration such as different kinds of cracks, holes, missing parts, detachment of some parts in the gold layer, fungal hyphae, accumulated dust, fragility of the gold layer etc. The elemental analysis by EDX and pXRF showed that the golden colour mainly consisted of brass with traces of elemental gold. Additionally, the elemental analysis revealed the presence of elemental sulfur which may be due to the air pollutants in the surrounding environmental conditions at Al-Azhar library, Egypt. The analysis by pH measurement and ATR-FTIR revealed that the leather cover suffered from acid hydrolysis mechanisms. Therefore, conservation procedures (conservation treatment and preventive conservation) are needed in the future work. Note de contenu : - MATERIALS AND METHODS : Historical background of the Mamluk illuminated leather cover of a manuscript - Documentation process - Analytical procedures - RESULTS AND DISCUSSION : Documentation processes - Table 1 : The deterioration aspects noticed on the illuminated leather cover - Analytical methods - Table 2 : The results of EDX analysis for the historical leather cover En ligne : https://drive.google.com/file/d/1MOEGxbZPbXl0igp9Hc62lAWqDgmQ5uPQ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36351 [article]

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Effect of artiticial heat ageing on the humidity sorption of parchment and lathers compared with archeological samples / G. M. M. Abdel-Maksoud in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 84, N° 5 (09-10/2000)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 84, N° 5 (09-10/2000) . - p. 219-222 Titre : Effect of artiticial heat ageing on the humidity sorption of parchment and lathers compared with archeological samples Type de document : texte imprimé Auteurs : G. M. M. Abdel-Maksoud, Auteur ; E. marcinkowska, Auteur Année de publication : 2000 Article en page(s) : p. 219-222 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorption Adsorption Antiquités (objets anciens) -- Analyse Antiquités (objets anciens) -- Conservation et restauration Cuirs et peaux -- Effets de l'humidité Essais accélérés (technologie) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In Egypt there are many archaeological sites, museums, storehouses, old libraries and excavation areas. There are a large number of important parchment manuscripts and tanned leather (vegetable and chrome tanned leathers) artefacts that are in poor condition and at the same time are poorly preserved. This paper represents an attempt to experiment with artificial heat ageing at different temperatures (70°C, 100°C and 134°C) as an individual factor in following the changes in the ability of parchment and tanned leathers to absorb vapour water. These changes are compared with some samples of selected archaeolog ical parchment and tanned leathers in order to explain the deterioration mechanism of vapour water absorption so as to design and plan for the future conservation of parchment manuscripts and leather artefacts in Egypt. The samples studied were placed with di-sodium hydrogen orthophosphate (Na,HPO 4’12H 20)in a desiccator and the humidity sorption was measured using a Mettler LP 16 Infrared Dryer. The results show that the humidity sorption of artificially aged samples was reduced as the time of ageing and temperature increased; and the humidity sorption of archaeological samples is adversely affected by the length of ageing and by environmental conditions. The results also show that the study of humidity sorption is vital in the field of conservation for studying deterioration and giving detailed information on parchment manuscripts and leather artefacts in order to facilitate the choice of an appropriate conservation treatment. Note de contenu : - Samples studied - New samples - Archaeological samples - Accelerated ageing En ligne : https://drive.google.com/file/d/1u0gcgmjVjd2GRV1iOTjO_1Rf77krUDJf/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40921 [article]

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Examination and treatment of a Portolan Chart / Niccolo Caldararo in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 2 (03-04/2017)  

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Fungal deterioration on ancient leather artifacts / Zonghuan Ba in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVIII, N° 12 (12/2023)  

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Performance evaluation of hybrid formulations consisting of antioxidant and crosslinking agents for the treatment of acid degradation in historic vegetable-tanned leathers / Alireza Koochakzaei in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 8 (08/2022)  

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Spectroscopic analysis of Turkey red oil samples as a basis for understanding historical dyes textiles / Julie H. Wertz in COLORATION TECHNOLOGY, Vol. 134, N° 5 (10/2018)  

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Studies of structure changes of archeological leather by FTIR spectroscopy / Yang Zhang in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 5 (09-10/2018)  

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Sulphur distribution in parchment and leather exposed to sulfur dioxide / D. J. Bowden in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 84, N° 4 (07-08/2000)  

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Tannin characterization and sourcing in historical leathers through FTIR spectroscopy and PCA analysis / Alireza Koochakzaei in COLLAGEN AND LEATHER, Vol. 5 (2023)  

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The hydrolytic activities of two fungal species isolated from historical quranic parchment manuscript / Saada N. S. in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 3 (05-06/2018)  

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Traditional science in pigments and recipe of painting woodcarving in medieval Assam, India / Asadulla A. Ali in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 5 (09/2023)  

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