Article
Chemistry, Applied
Marc Vermeulen, Diego Tamburini, Alicia C. McGeachy, Rebecca D. Meyers, Marc S. Walton
Summary: This study investigated two modern enredos produced in the 1980s using a combination of non-invasive analytical techniques. It revealed the simultaneous use of synthetic red dyes with naturally-derived colorants in modern Oaxaca, shedding light on a dynamic dyeing scenario.
Article
Humanities, Multidisciplinary
Diego Tamburini, Joanne Dyer, Caroline Cartwright, Alexandra Green
Summary: This study investigates six Karen textiles from the collection of the British Museum to study the production changes and trade networks during the nineteenth century. The textiles range from the 1830s to the early 1900s and include traditional garments, various colors, and different dyeing and weaving techniques. Non-invasive techniques such as digital microscopy, broadband multispectral imaging, and fiber optic reflectance spectroscopy were used. The results reveal the use of local natural dyes in the older textiles and the introduction of synthetic dyes in the later textiles, along with the use of different mordants and imported fibers from Europe and China.
Article
Chemistry, Applied
Jian Liu, Wenying Li, Xiaojing Kang, Feng Zhao, Mingyang He, Yuanbin She, Yang Zhou
Summary: The archaeological textiles revealed a 2500-year history of natural dyes in Northwest China, sourced from plants and insects, and indicated the convergence of various cultures at Dunhuang during the Tang Dynasty.
Article
Biochemistry & Molecular Biology
Ilaria Serafini, Kathryn Raeburn Mcclure, Alessandro Ciccola, Flaminia Vincenti, Adele Bosi, Greta Peruzzi, Camilla Montesano, Manuel Sergi, Gabriele Favero, Roberta Curini
Summary: The introduction of synthetic dyes revolutionized the production and use of colorants for art materials, providing a wider range of colors and chemical properties. This study developed new extraction and purification methods for the analysis of synthetic dyes in heritage collections, achieving successful identification of suspected azo dyes.
Article
Polymer Science
Antonio D'Angelo, Giovanni Dal Poggetto, Simona Piccolella, Cristina Leonelli, Michelina Catauro
Summary: Geopolymers have been used for restoration purposes due to their high chemical and mechanical resistance. In this study, white metakaolin was used to produce white geopolymers, which were colored with synthetic organic dyes. The stability and geopolymerization process were studied through measurements of ionic conductivity, pH, and FT-IR analysis. The color hues and properties were evaluated before and after immersion in water using the CIELAB color space.
Review
Anthropology
Maurizio Aceto
Summary: The present contribution discusses the use of organic colorants in wall paintings, polychrome pottery, and painted stone artworks, focusing on their chemical nature, application methods, and historical usage. Recent studies have shown that these colorants were used continuously in ancient artworks, providing new insights into the study of ancient art.
ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES
(2021)
Article
Chemistry, Applied
Paola Calza, Barbara Guarino, Federica Dal Bello, Anna Dioni, Marco Bergero, Claudio Medana
Summary: The study utilized HPLC-MS to analyze 67 samples and found the presence of five neonicotenoids in fruits, leaves, pollen, and honey. The detected substances were mainly found in apple, peaches, hazel leaves, honey, and pollen, with some samples showing relatively high levels.
Article
Chemistry, Multidisciplinary
Qi Zhou, Luqman Jameel Rather, Shazia Shaheen Mir, Asghar Ali, Qazi Mohd Rizwanul Haque, Qing Li
Summary: This research focuses on the use of flavonoid-based natural dyes from Gingko biloba L. waste/fallen leaves extract for coloring and antibacterial finishing of wool fabrics. The study presents a novel method using the extract as a potent antibacterial agent in combination with ampicillin to counteract antibiotic resistance. Optimal dyeing results were achieved at 90°C for 70 min with a dye concentration of 50%. The antibacterial potential of the extracted natural dye was enhanced when combined with ampicillin.
SUSTAINABLE CHEMISTRY AND PHARMACY
(2022)
Article
Polymer Science
Ziheng Zhong, Anzhong Hu, Shaohai Fu, Liping Zhang
Summary: A new UV absorptive copolymer was prepared and applied in light-resistant thermochromic fabrics to improve their application properties. The optimized fabric showed improved color fastness and fading rate compared to thermochromic fabric without the protective copolymer. This study provides a feasible optimization scheme for improving the light resistance of thermochromic textiles.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Environmental Sciences
Flora Gnanadhas, Surendarnath Sundaramoorthy, Sowndharya Natarajan, Mary Stephy Gnanamanickam, Kassian T. T. Amesho, Bhisham Sharma
Summary: This study investigated the extraction and dyeing properties of natural fabric dyes derived from brown seaweeds. The results showed that aqueous and ethanol dye extracts exhibited superior fastness properties compared to acetone and methanol extracts. Additionally, this study explored the bioactive potential of natural fabric dyes derived from brown seaweeds, providing a sustainable alternative to synthetic dyes.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Montserrat Filella, Johanna Brazard, Takuji B. M. Adachi, Andrew Turner
Summary: This study analyzed the presence of chemical elements in cleaning cloth products purchased in Europe. Titanium was the most frequently detected element, while lead was found to be a contaminant. Other chemical elements were also detected, possibly due to the presence of various additives.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Albert Vega-Herrera, Marta Llorca, Xavier Borrell-Diaz, Paula E. Redondo-Hasselerharm, Esteban Abad, Cristina M. Villanueva, Marinella Farre
Summary: This study presents a workflow for identifying and quantifying micro and nanoplastics in tap water and applies it to tap water samples from the Barcelona Metropolitan Area. The study found that polyethylene, polypropylene, and polyamide were the most commonly detected polymers, with polyisoprene and polybutadiene found at the highest concentrations.
Article
Chemistry, Applied
Can Eyupoglu, Seyda Eyupoglu, Nigar Merdan, Zeynep Omerogullari Basyigit
Summary: This study investigated the ecological dyeing process of wool fabrics through plasma treatment and extraction from Rubia tinctorum. The effects of plasma treatment and dyeing time on the properties of wool fibres were analyzed using microscopy and infrared analysis. An artificial neural network model was proposed to estimate the dyeing properties of wool fabrics. The experimental results show that the proposed model achieves high regression values for all dyeing properties.
COLORATION TECHNOLOGY
(2023)
Article
Food Science & Technology
F. Dal Bello, C. Medana, B. Guarino, A. Dioni, D. Fabbri, P. Calza
Summary: The study focused on the photoinduced transformation of sulfoxaflor and flupyradifurone, identifying multiple transformation products and allowing for a broader screening of pollutants in food matrices. Sulfoxaflor yielded three transformation products, while flupyradifurone produced seven, three of which were newly identified in this study. The presence of flupyradifurone was detected in various honey samples at concentrations ranging from 10-15 μg/kg.
Article
Biochemistry & Molecular Biology
Melanie Voigt, Indra Bartels, Dorothee Schmiemann, Lars Votel, Kerstin Hoffmann-Jacobsen, Martin Jaeger
Summary: The study shows that using Advanced Oxidation Processes (AOPs) can more effectively remove pharmaceuticals from waterbodies. Photo-induced irradiation enhanced by hydrogen peroxide accelerates degradation more than ozonation, leading to complete elimination, and predictions of ecotoxicity have been improved.
Article
Chemistry, Inorganic & Nuclear
Silvia Schoch, Dalila Iacopini, Maria Dalla Pozza, Sebastiano Di Pietro, Ilaria Degano, Gilles Gasser, Valeria Di Bussolo, Fabio Marchetti
Summary: In this study, glycoconjugated diiron complexes with mannose, glucose, and fructose moieties were synthesized and evaluated for their cytotoxicity against various cancer cell lines. The compounds showed significant stability in solution and cell culture medium, and did not exhibit appreciable selectivity towards cancer cells compared to non-tumor cells.
Article
Biochemical Research Methods
Camilla Guerrini, Federica Nardella, Annachiara Morganti, Jacopo La Nasa, Ilaria Degano, Erika Ribechini
Summary: The study uses nondestructive techniques to analyze resin types in archaeological artifacts using SIFT-MS. Through the establishment of a SIFT-MS mass spectra database and the use of PCA analysis, different classes of resins were successfully distinguished.
JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
(2022)
Article
Chemistry, Analytical
Francesca Sabatini, Iacopo Corsi, Alessio Ceccarini, Marco Brillanti, Maria Perla Colombini, Ilaria Bonaduce
Summary: This paper investigates the characterization and identification of metal-free leather using pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS). Thirty-three bovine split leather samples tanned with various metal-free tanning agents were analyzed, and pyrolytic markers were determined in reference materials, intermediates, and end-products. Evolved gas analysis coupled with mass spectrometry was used to compare the thermodegradative profiles of metal-free leathers and chromium tanned leather.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Chemistry, Analytical
Francesca De Falco, Tommaso Nacci, Lee Durndell, Richard C. Thompson, Ilaria Degano, Francesca Modugno
Summary: Biodegradable polymers offer a potential solution to plastic pollution, but assessing their degradation process and chemical composition is crucial. This study used Py-GC-MS and EGA-MS techniques to analyze the thermal degradation profiles, main m/z ions, and pyrolysis markers of different biodegradable polymers and commercial products. The presence of additives and impurities was also identified. These findings contribute to a better understanding of the degradation process and chemical composition of biodegradable polymers in the environment.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Multidisciplinary Sciences
Anna Lagerqvist Alidoost, Marei Hacke, Thea Winther, Tom Sandstroem
Summary: The state of preservation of the Azzolino collection at the Swedish National Archives, which contains historically significant documents, has been investigated. The focus was on the analysis of iron gall inks and their corrosion levels. XRF spectrometry was used to characterize the writing ink and determine if the composition could be linked to authorship or geography. The results showed that elemental analysis was not effective in predicting ink deterioration, but XRF-mapping could be used to differentiate authors and provide valuable information on attribution and historical context.
Article
Humanities, Multidisciplinary
Lucrezia Milillo, Marei Hacke, Sara Norrehed, Ilaria Degano, Francesca Gherardi, Ellinor Gunnarsson
Summary: This study is the first scientific research on khipu dyes and inorganic mordants and auxiliaries, providing a new approach to understanding the meaningful materiality, technology, and colours of khipus. Khipus are often described as Andean knotted records, but they are more than just complex knotted cords: a significant amount of encoded information resides in the incredible colours of khipus.
Article
Polymer Science
Francesca Sabatini, Silvia Pizzimenti, Irene Bargagli, Ilaria Degano, Celia Duce, Laura Cartechini, Francesca Modugno, Francesca Rosi
Summary: In this study, the chemical and thermal properties of an ABS-based polymer and its photodegradation process were investigated through various analytical techniques. LEGO® building blocks were chosen as the sample for studying ABS properties and subjected to UV-Vis photo-oxidative-accelerated ageing. The multimodal approach provided new evidence on the degradation pathway of ABS and the feasibility of using external reflection FT-IR spectroscopy as a non-invasive portable tool for monitoring the conservation of plastic museum objects in-situ.
Editorial Material
Humanities, Multidisciplinary
Jo Kirby, Marei Hacke, Sara Norrehed, Joanne Dyer, Art Proano Gaibor, Ilaria Degano, Zvi Koren, Edith Sandstrom
Article
Humanities, Multidisciplinary
Francesca Sabatini, Jacopo La Nasa, Ilaria Degano, Beatrice Campanella, Stefano Legnaioli, Ilaria Saccani, Francesca Modugno, Marta Manso
Summary: In recent years, there has been a growing recognition of the social and cultural significance of street art murals, leading to a focus on preserving representative modern urban murals. The UBUNTU mural is an interesting case study, as it has undergone significant changes in appearance over a few years due to exposure to sunlight and environmental factors. Analysis of collected samples has revealed the painting materials used by the artist and the aging phenomena responsible for the fading colors of the mural.
Article
Polymer Science
Elisa Della Latta, Francesca Sabatini, Cosimo Micheletti, Marco Carlotti, Francesca Martini, Francesca Nardelli, Antonella Battisti, Ilaria Degano, Marco Geppi, Andrea Pucci, Svenja Pohl, Guido Kickelbick
Summary: In this study, flexible luminescent solar concentrators (LSCs) with a size of 5 x 5 cm(2) were prepared by integrating a reactive perylene bisimide fluorophore (FC546) into a polysiloxane network. The LSCs exhibited higher thermal and light stability, as well as superior device efficiency, compared to other similar-sized flexible LSC systems.
Article
Chemistry, Applied
Adele Ferretti, Ilaria Degano, Stefano Legnaioli, Beatrice Campanella, Aurora Sainati, Maria Perla Colombini
Summary: Throughout history, human beings have used writing as a means of communication and expression. This study focuses on the analysis of red inks produced in France during the late 19th to early 20th century. By utilizing various analytical techniques, the researchers were able to identify the dyes, pigments, binders, and additives used in these inks. The findings provide valuable insights into the early days of the synthetic dye industry.
