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Aluminosilicate, Aluminosilicates, Aluminosilicato, Analyse thermique différentielle, Differential thermal analysis, Análisis térmico diferencial, Bleu outremer, Ultramarine, Carbonate, Carbonates, Carbonato, Coloration polychrome, Polychromatic staining, Coloración policroma, Colorimétrie, Colorimetry, Colorimetría, Diffraction RX, X ray diffraction, Difracción RX, Décoloration, Discoloration, Decoloración, Dégradation photochimique, Photochemical degradation, Degradación fotoquímica, Irradiation laser, Laser irradiation, Irradiación láser, Laser YAG, YAG laser, Laser néodyme, Neodymium lasers, Microanalyse, Microanalysis, Microanálisis, Minium, Minio, Nettoyage surface, Surface cleaning, Limpieza superficie, Objet ancien, Old object, Objeto antiguo, Objet art, Cultural object, Objeto arte, Oxyde, Oxides, Óxido, Peinture(art), Painting (art), Pintura(arte), Pigment minéral, Inorganic pigment, Pigmento inorgánico, Restauration, Restoration, Restauración, Réaction chimique, Chemical reaction, Reacción química, Réaction physique, Physical reaction, Reacción física, Sonde électronique, Electron probe, Sonda electrónica, Sulfure, Sulfides, Sulfuro, Traitement surface, Surface treatment, Tratamiento superficie, Blanc de plomb, Blanc de zinc, Bleu de cobalt, Jaune de Naples, Laque de Garance, Malachite, Oxyde vert de chrome, Terre de Sienne, Vermillon, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Industries chimique et parachimique, Chemical industry and chemicals, Industries des produits chimiques, Industrial chemicals, Colorants, pigments, Dyes, pigments, Industrie des polymeres, peintures, bois, Polymer industry, paints, wood, Produits de revêtement. Peintures, vernis et encres, Coatings. Paints, varnishes and inks, Formation et durcissement des feuils, propriétés, essais, Film formation and curing, properties, testing, Art et archeologie, Art and archaeology, Généralités, Generalities, Principes d'étude, Research principies, Méthodes, Methods, Méthodes d'observation, Methods of observation, Conservation. Restauration, Chemistry, Chimie, Chemical industry parachemical industry, Industrie chimique et parachimique, Polymers, paint and wood industries, and Polymères, industries des peintures et bois

The possibility to use laser radiation to clean historical objects has been established for several years. A complex case and widely met problem are polychromes. They react (chemically as also physically) very sensitive towards laser radiation. In this study the reaction of pigments was investigated in dependency on the incident wavelength (Nd:YAG, λ=1064, 532, 355 and 266 nm) and energy density. The chemical and also the physical interactions were investigated. In this work, the following analytical methods were used: differential thermal analysis (DTA), colour measurements (CIE-L*a*b*), X-ray diffraction (XRD) and energy dispersive X-ray analysis (EDX). It turned out that the colour change of the pigments can have different origins: they can for instance be induced by laser induced oxidation, reduction or phase changing. Most of the pigments show reactions at very low energy densities (H<100 mJ/cm2). Overall the fundamental wavelength of the Nd:YAG-laser (λ=1064 nm) proved to be most suitable, whereas λ=355 nm shows most influence on the colour change.

Désinfectant, Disinfecting agent, Desinfectante, Etude expérimentale, Experimental study, Estudio experimental, Hygiène, Hygiene, Higiene, In vitro, Technique, Técnica, Test bactéricidie, Bactericidal test, Prueba bactericidia, Traitement surface, Surface treatment, Tratamiento superficie, Valeur prédictive, Sciences biologiques et medicales, Biological and medical sciences, Sciences medicales, Medical sciences, Sante publique. Hygiene-medecine du travail, Public health. Hygiene-occupational medicine, Santé publique. Hygiène, Public health. Hygiene, Hygiene and public health, epidemiology, occupational medicine, Hygiène et santé publique, épidémiologie, médecine du travail, Microbiology, infectious diseases, and Microbiologie, maladies infectieuses

Désinfectant, Disinfecting agent, Desinfectante, Etude comparative, Comparative study, Estudio comparativo, Hygiène, Hygiene, Higiene, In vitro, Technique, Técnica, Test bactéricidie, Bactericidal test, Prueba bactericidia, Traitement surface, Surface treatment, Tratamiento superficie, Test Lewen, Test QCT, Test QSDT, Sciences biologiques et medicales, Biological and medical sciences, Sciences medicales, Medical sciences, Sante publique. Hygiene-medecine du travail, Public health. Hygiene-occupational medicine, Santé publique. Hygiène, Public health. Hygiene, Hygiene and public health, epidemiology, occupational medicine, Hygiène et santé publique, épidémiologie, médecine du travail, Microbiology, infectious diseases, and Microbiologie, maladies infectieuses

Activité biologique, Biological activity, Actividad biológica, Désinfectant, Disinfecting agent, Desinfectante, Etude comparative, Comparative study, Estudio comparativo, Hygiène, Hygiene, Higiene, In vitro, Technique, Técnica, Test bactéricidie, Bactericidal test, Prueba bactericidia, Traitement surface, Surface treatment, Tratamiento superficie, Test AFNOR, Test DGHM, Test Lewen, Sciences biologiques et medicales, Biological and medical sciences, Sciences medicales, Medical sciences, Sante publique. Hygiene-medecine du travail, Public health. Hygiene-occupational medicine, Santé publique. Hygiène, Public health. Hygiene, Hygiene and public health, epidemiology, occupational medicine, Hygiène et santé publique, épidémiologie, médecine du travail, Microbiology, infectious diseases, and Microbiologie, maladies infectieuses

Human, Homme, Hombre, Asymétrie, Asymmetry, Asimetria, Champ visuel, Visual field, Campo visual, Dominance hémisphérique, Dominance oculaire, Ocular dominance, Dyslexie, Dyslexia, Dislexia, Enfant, Child, Niño, Entraînement, Hémisphère cérébral, Cerebral hemisphere, Hemisferio cerebral, Latéralité, Laterality, Lateralidad, Lecture, Reading, Lectura, Potentiel évoqué, Evoked potential, Potencial evocado, Réussite scolaire, Academic achievement, Logro escolar, Système nerveux central, Central nervous system, Sistema nervioso central, Traitement surface, Surface treatment, Traitement, Treatment, Tratamiento, Sciences biologiques et medicales, Biological and medical sciences, Sciences medicales, Medical sciences, Psychopathologie. Psychiatrie, Psychopathology. Psychiatry, Thérapeutiques, Treatments, Rééducation. Réadaptation. Sociothérapie, Reeducation. Readaptation. Sociotherapy, Psychologie. Psychanalyse. Psychiatrie, Psychology. Psychoanalysis. Psychiatry, PSYCHOPATHOLOGIE. PSYCHIATRIE, Neurology, Neurologie, Psychology, psychopathology, psychiatry, and Psychologie, psychopathologie, psychiatrie

Accessibilité, Accessibility, Conceptualisation, Conceptualization, Conceptualizacion, Hiérarchie, Hierarchy, Jerarquia, Homme, Human, Hombre, Inférence grammaticale, Grammatical inference, Langage, Language, Lenguaje, Phrase, Sentence, Production linguistique, Linguistic production, Relation syntaxique, Syntactic relation, Syntaxe, Syntax, Sintaxis, Traitement information, Information processing, Procesamiento de informacion, Traitement surface, Surface treatment, Sciences biologiques et medicales, Biological and medical sciences, Sciences biologiques fondamentales et appliquees. Psychologie, Fundamental and applied biological sciences. Psychology, Psychologie. Psychophysiologie, Psychology. Psychophysiology, Production et perception du langage parlé, Production and perception of spoken language, Psychologie. Psychanalyse. Psychiatrie, Psychology. Psychoanalysis. Psychiatry, Philosophy, Philosophie, Psychology, psychopathology, psychiatry, and Psychologie, psychopathologie, psychiatrie