The effect of three luminescent ionic liquids on corroded glass surfaces – A first step into stained-glass cleaning

Delgado, Joana M.; Nunes, Daniela; Fortunato, Elvira; Laia, César A. T.; Branco, Luı́s C.; Vilarigues, Márcia

doi:10.1016/j.corsci.2017.01.027

Cited by 12 publications

(9 citation statements)

References 18 publications

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Section: Ionic Liquidsmentioning

confidence: 86%

“…Surfactant phosphonium ILs, based on the luminescent 8-anilino-1-naphthalenesulfonate and 1-pyrene carboxylate "metal-coordinating anions" (Figure 6), were tested for corrosion crust removal from medieval glasses. The results were more efficient than conventional EDTA [75]. ILs have been widely exploited for the pretreatment, processing, and preservation of lignocellulose materials [76,77], displaying, among other characteristics, effective antibacterial and antifungal activities and wettability properties.…”

Section: Ionic Liquidsmentioning

confidence: 99%

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Present and Future Perspectives for Biocides and Antifouling Products for Stone-Built Cultural Heritage: Ionic Liquids as a Challenging Alternative

2020

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This review offers an overview of the most recent research activities on counteracting the biodeterioration process of stone monuments, underlining all those aspects regarding eventual procedural drawbacks and compliance with sustainable criteria. For this purpose, the definition of “green conservation of cultural heritage” has been proposed. Its basics have been utilized in the text to highlight the issues arising from the most common conservative procedures as well as guidelines for the development of innovative technologies. The review then deals with the most innovative antimicrobial approaches, among which nano- and bio-technologies play a main role. Ionic liquids are a special class of salts, which can be prepared by applying Safe by Design concepts, to meet the Green Conservation criteria.

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Section: Ionic Liquidsmentioning

confidence: 86%

Section: Ionic Liquidsmentioning

confidence: 99%

Present and Future Perspectives for Biocides and Antifouling Products for Stone-Built Cultural Heritage: Ionic Liquids as a Challenging Alternative

2020

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“…Consequently, ILs have been successfully applied to clean calcium crust (CaCO3, CaSO4, CaC2O4) from stained glasses (Machado et al, 2011) as well as from synthetic and natural varnishes (Pacheco et al, 2013). Phosphoniumbased ILs were also tested for corrosion crust removal from medieval glasses (Delgado et al, 2017). For instance, it has been recently demonstrated that surface active ionic liquids (SAILs), based on cholinium and dodecylbenzenesulfonate, have been tested to prevent the biodeterioration of stone-built cultural heritage (Table 1).…”

Section: Ionic Liquids: Promising Eco-friendly Synthetic Moleculesmentioning

confidence: 99%

Current and future chemical treatments to fight biodeterioration of outdoor building materials and associated biofilms: Moving away from ecotoxic and towards efficient, sustainable solutions

Romani

Warscheid

Nicole

et al. 2022

Science of The Total Environment

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All types of building materials are rapidly colonized by microorganisms, initially through an invisible and then later a visible biofilm that leads to their biodeterioration. Over centuries, this natural phenomenon has been managed using mechanical procedures, oils, or even wax. In modern history, many treatments such as high-pressure cleaners, biocides (mainly isothiazolinones and quaternary ammonium compounds) are commercially available, as well as preventive ones, such as the use of water-repellent coatings in the fabrication process. While all these cleaning techniques offer excellent cost-benefit ratios, their limitations are numerous. Indeed, building materials are often quickly recolonized after application, and microorganisms are increasingly reported as resistant to chemical treatments. Furthermore, many antifouling 5 compounds are ecotoxic, harmful to human health and the environment, and new regulations tend to limit their use and constrain their commercialization. The current state-of-the-art highlights an urgent need to develop innovative antifouling strategies and the widespread use of safe and eco-friendly solutions to biodeterioration. Interestingly, innovative approaches and compounds have recently been identified, including the use of photocatalysts or natural compounds such as essential oils or quorum sensing inhibitors. Most of these solutions developed in laboratory settings appear very promising, although their efficiency and ecotoxicological features remain to be further tested before being widely marketed. This review highlights the complexity of choosing the adequate antifouling compounds when fighting biodeterioration and proposes developing case-to-case innovative strategies to raise this challenge, relying on integrative and multidisciplinary approaches.

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“…23 In the eld of cultural heritage conservation, ILs have been successfully used for the removal of corrosion crusts and varnish from cultural heritage surfaces. 24,25 Moreover, ILs are also being considered as antibacterial and antifungal agents, 26 and have been widely exploited for preserving wood, 27,28 paper, 29,30 stone, 31,32 and brick 33 heritages against biodeterioration. The organic cations, typically imidazolium, alkylammonium, and alkylphosphonium, contribute to their superior antimicrobial activities.…”

Section: Introductionmentioning

confidence: 99%

Phosphonium-based ionic liquids as antifungal agents for conservation of heritage sandstone

Zhang

2022

RSC Adv.

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The effect of three luminescent ionic liquids on corroded glass surfaces – A first step into stained-glass cleaning

Cited by 12 publications

References 18 publications

Present and Future Perspectives for Biocides and Antifouling Products for Stone-Built Cultural Heritage: Ionic Liquids as a Challenging Alternative

Present and Future Perspectives for Biocides and Antifouling Products for Stone-Built Cultural Heritage: Ionic Liquids as a Challenging Alternative

Current and future chemical treatments to fight biodeterioration of outdoor building materials and associated biofilms: Moving away from ecotoxic and towards efficient, sustainable solutions

Phosphonium-based ionic liquids as antifungal agents for conservation of heritage sandstone

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