Olivia Gómez‐Laserna

Chemical and Physical Characterisation of Microplastics Present on Beaches of the Cantabrian Coast, Bay of Biscay (Spain)

Thomas Maupas, Aritz Lapazaran, Rubén Darío Beltrán Rodríguez, Olivia Gómez‐Laserna et autres

We investigated the presence, chemical/morphological characteristics, and distribution of microplastics (MPs, 1–5 mm) in three beaches located at the southeast of the Bay of Biscay, an area where this kind of study is scarce. Sampling was carried out in March 2022/2023 and …

es, fr (code pays fourni par la source)

Quantitative X‐Ray Fluorescence Imaging to Evaluate the Efficacy of Micro‐Structured Cellulose Foams and Poultices in Wall Painting Desalination

M. Romani, Olivia Gómez‐Laserna, Francesco Caruso, Juan Miguel Mendoza Garrido et autres

The crystallization of soluble salts poses a significant challenge to mural painting conservation. While cellulose poultices are widely used to desalinate mural paintings due to their high absorption and ease of handling, their effectiveness within the porous network of wall paintings remains …

es (code pays fourni par la source)

Chitosan/halloysite clay mixture for preservation of waterlogged archaeological woods

Maria Rita Caruso, Graziana D’Agostino, Gennara Cavallaro, Olivia Gómez‐Laserna et autres

This work presents a sustainable protocol for the preservation of waterlogged archaeological wood (AW) by mixing chitosan (Chit) with halloysite clay nanotubes (HNTs). The conservation treatment is based on AW immersion within Chit/HNTs aqueous mixtures at variable composition. Surface characteristics of the …

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Comparative Analysis of Mineralogical Composition and Radioactivity Levels in Stone Samples from the Archaeological Site of Halaesa (Sicily, Italy)

Giuseppe Paladini, Paola Cardiano, F. Caridi, Lorenzo Pistorino et autres

This work presents the results of a multi-technique comparative investigation aimed at assessing the mineralogical composition and radioactivity levels of two stone fragments from different areas of the archaeological site of Halaesa (Sicily, Italy). The analysis employed an integrated approach combining μ-energy-dispersive …

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Analytical Study of Lanolin as Potential Biomarker of Prehistoric Sheep‐Shearing Practice

Claudia Adsuar Fuster, Francesco Caruso, Olivia Gómez‐Laserna, Martina Romani et autres

Sheep‐shearing practices probably started in the Neolithic Age when the genetic selection of sheep began to be successful in obtaining animals with abundant wool. Flint and obsidian were the main materials probably used to manufacture tools for this purpose. From shearing, lanolin …

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Gallic acid as potential sequestering agent for methylmercury(II) and dimethyltin(IV) removal from aqueous solutions

Rosalia Maria Cigala, Salvatore Giovanni Michele Raccuia, Clemente Bretti, Paola Cardiano et autres

Organometal cations are dangerous pollutants of natural waters, causing severe environmental and biological problems. In contrast, gallic acid ( GA ) is a naturally occurring polyphenol found in citrus fruit peels, honey, grapes, hops, oak bark, and tea leaves, displaying several beneficial …

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Synergies of sugar-derived epoxy-silica hybrids and amino-functionalized silica NPs for advanced stone conservation

Pablo Irizar, Ainara Pintor-Rial, Maite Maguregui, I. Martínez‐Arkarazo et autres

Innovative approaches to stone conservation materials are essential for addressing the challenges of preserving cultural heritage while meeting environmental and sustainability standards. Based on this premise, this study delves into the synergy between sol-gel processes and nanotechnology to develop advanced epoxy-silica hybrid …

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Raman imaging spectroscopic solutions for microplastics advanced analysis: Insights from Choqueyapu river basin (La Paz, Bolivia)

Thomas Maupas, Olivia Gómez‐Laserna, Uxue Uribe Martinez, Diego Salazar et autres

Microplastics (MPs) are causing global concern due to their role as vectors of environmental contaminants. Evaluating their impact on environmental compartments, particularly in sediment and freshwaters, remains challenging due to difficulties in gathering chemical and morphological data. In fact, the analytical process …

fr, es (code pays fourni par la source)

Synergies of Sugar-Derived Epoxy-Silica Hybrids and Amino-Functionalized Silica Nps for Advanced Stone Conservation

Pablo Irizar, Ainara Pintor-Rial, Maite Maguregui, I. Martínez‐Arkarazo et autres

es, it (code pays fourni par la source)

Raman Imaging Spectroscopic Solutions for Microplastics Advanced Analysis: Insights From Choqueyapu River Basin (La Paz, Bolivia)

Thomas Maupas, Olivia Gómez‐Laserna, Uxue Uribe-Martinez, Angela Salazar et autres

es (code pays fourni par la source)

Synergies of Sugar-Derived Epoxy-Silica Hybrids and Amino-Functionalized Silica Nps for Advanced Stone Conservation

Pablo Irizar, Ainara Pintor-Rial, Maite Maguregui, I. Martínez‐Arkarazo et autres

es, it (code pays fourni par la source)

Ionic liquids (ILs)-loaded hydrogels as a potential cleaning method of metallic stains for stone conservation

Pablo Irizar, Olivia Gómez‐Laserna, Gorka Arana, Juan Manuel Madariaga et autres

In the field of built heritage, the removal of reddish-brown and greenish stains presents a complex challenge frequently encountered by experts. Consequently, numerous studies strive to develop sustainable and respectful cleaning methods for conserving stone materials in their original esthetic state. In …

es (code pays fourni par la source)