15 documents found, page 1 of 2
A Study on the Degradation of Iron Gall Inks and to Preserve Them Using Green A...
Teixeira, Natércia; Nabais, Paula; Otero, Vanessa; Díaz Hidalgo, Rafael Javier; Ferretti, Matteo; Licchelli, Maurizio; Melo, Maria J.This work received support and help from FCT/MCTES through national funds; LA/P/0008/2023 DOI 10.54499/LA/P/0008/2020, UIDB/50006/2023 DOI 10.54499/UIDB/50006/2023; and CEECIND/01344/2021. The support from the Italian \u201CMinistero dell\u2019Universit\u00E0 e della Ricerca\u201D (MUR) and the University of Pavia through the program \u201CDipartimenti di Eccellenza 2023\u20132027\u201D is acknowledged. This re...
Production of Hand-painted Magic Lantern Glass Slides
Santos, Ângela; Otero, Vanessa; Vilarigues, MárciaThis work was supported by the Portuguese Foundation for Science and Technology (FCT) of the Ministry of Science, Technology and Higher Education (MCTES), Portugal, through the doctoral program CORES-PD/00253/2012. Publisher Copyright: © The International Institute for Conservation of Historic and Artistic Works 2023.; Hand-painted magic lantern glass slides frequently present significant conservation problems,...
A First Approach to the Study of Winsor & Newton’s 19th-Century Manufacture of ...
Veiga, Tiago; Moro, Artur J.; Nabais, Paula; Vilarigues, Márcia; Otero, VanessaFunding Information: We are grateful to Winsor & Newton, ColArt Fine Art & Graphics Ltd., for allowing the creation of the archive project. The W&N 19th Century Archive Database, designed by Mark Clarke and Leslie Carlyle, was funded by the Netherlands Institute for Scientific Research (NWO) as part of the De Mayerne Programme and, in the UK, by a Resource Enhancement Grant from the Arts and Humanities Research...
The making of black inks in an Arabic treatise by al-Qalalūsī dated from the 13...
Díaz Hidalgo, Rafael Javier; Córdoba, Ricardo; Grigoryan, Hermine; Vieira, Márcia; Melo, Maria J.; Nabais, Paula; Otero, Vanessa; Teixeira, NatérciaFunding Information: This research was funded by the Portuguese Science Foundation [Fundação para a Ciência e Tecnologia, Ministério da Educação e da Ciência (FCT/MCTES)], through doctoral programme CORES-PD/00253/2012. Recetas y conocimientos de la sociedad medieval para el siglo XXI | "Try it and you will see thats true. Recipes and konwledges from medieval society to 21th century", PID2019-108736 GB-I00, Min...
Iron-gall inks
Melo, Maria Joao; Otero, Vanessa; Nabais, Paula; Teixeira, Natercia; Pina, Fernando; Casanova, Conceicao; Fragoso, Sara; Sequeira, Silvia O.UID/QUI/50006/2020; Iron-gall inks are an essential element of our written cultural heritage that is at risk of a total loss due to degradation. This degradation leads to the loss of the support, particularly the cellulose-based support. Intending to stabilize it, we have come a long way from the nineteenth-century cellulose nitrate laminations to the relatively recent phytate treatments; nevertheless, less inv...
Between past and future
Melo, Maria João; Nabais, Paula; Vieira, Márcia; Araújo, Rita; Otero, Vanessa; Lopes, João; Martín, LourdesAssociate Laboratory for Green Chemistry- LAQV co-financed by the ERDF under the PT2020 Partnership Agreement ( POCI-01-0145-FEDER-007265 ). Publisher Copyright: © 2022 The Author(s); Heritage materials are highly complex systems of unknown and intrinsically heterogeneous compositions and unmonitored long-term modifications. In this microreview, we describe our interdisciplinary approach, its importance to new ...
Pretreatment of plastic waste: Removal of colorants from hdpe using biosolvents
Ferreira, Ana M.; Sucena, Isa; Otero, Vanessa; Angelin, Eva Mariasole; Melo, Maria João; Coutinho, João A. P.UIDB/50011/2020 UIDP/50011/2020 CA18220, 2020.00647.CEECIND UIDB/50006/2020 UIDP/50006/2020; Plastics recycling remains a challenge due to the relatively low quality of the recycled material, since most of the developed recycling processes cannot deal with the additives present in the plastic matrix, so the recycled products end up in lower-grade applications. The application of volatile organic solvents for ad...
Nitrate Removal by Donnan Dialysis and Anion-Exchange Membrane Bioreactor Using...
Lejarazu-Larrañaga, Amaia; Ortiz, Juan M.; Molina, Serena; Pawlowski, Sylwin; Galinha, Claudia F.; Otero, Vanessa; García-Calvo, EloyCTM2015-65348-C2-1-R RTI2018-096042-B-C21 CTM2015-74695-JIN (AEI/FEDER/UE) BES-2016-076244 (MCI/AEI/FSE, UE) FCT/MCTES (UIDB/50006/2020).; This work explores the application of Reverse Osmosis (RO) upcycled membranes, as Anion Exchange Membranes (AEMs) in Donnan Dialysis (DD) and related processes, such as the Ion Exchange Membrane Bioreactor (IEMB), for the removal of nitrate from contaminated water, to meet d...
Yellow lake pigments fromweld in art
Veneno, Maria; Nabais, Paula; Otero, Vanessa; Clemente, Adelaide; Oliveira, M. Conceição; Melo, Maria JoãoUIDB/50006/2020 UIDP/50006/2020 PTDC/QUI-OUT/29925/2017; Weld (Reseda luteola) was one of the main sources of yellow dyes used for dyeing textiles and to prepare artists’ pigments in Europe until the 19th century. For the first time, this work explores the technology of preparing weld lake pigments in the 19th century byWinsor & Newton (W&N), a renowned supplier of artists’ materials. Five recipes were discover...
Defining the first preventive conservation guidelines for hand-painted magic la...
Santos, Ângela; Rodrigues, Beatriz; Otero, Vanessa; Vilarigues, MárciaThe authors acknowledge the support of the Portuguese Foundation for Science and Technology (FCT-MCTES), through the doctoral program CORES-PD/00253/2012, for the PhD grant PD/BD/136694/2018 (Ângela Santos), and Research Unit VICARTE (UIDB/00729/2020). This research has benefited from the use of the infrastructure PRISC (Portuguese Research Infrastructure of Scientific Collections). The authors are also gratefu...