Multipurpose Fluorescent Nanocarriers: Environmental Behavior, Toxicity and Internalization on Marine Microalgae

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversity of Aveiro-
Autor(es): dc.contributorRua Canhas-
Autor(es): dc.creatorCampos, Bruno G.-
Autor(es): dc.creatorKaczerewska, Olga-
Autor(es): dc.creatorOliveira, Jacinta M. M.-
Autor(es): dc.creatorFigueiredo, Joana-
Autor(es): dc.creatorMaia, Frederico-
Autor(es): dc.creatorTedim, João-
Autor(es): dc.creatorSousa, Isabel-
Autor(es): dc.creatorAbessa, Denis M. S.-
Autor(es): dc.creatorLoureiro, Susana-
Autor(es): dc.creatorMartins, Roberto-
Data de aceite: dc.date.accessioned2025-08-21T21:40:14Z-
Data de disponibilização: dc.date.available2025-08-21T21:40:14Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-01-19-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1002/adsu.202400378-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/306861-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/306861-
Descrição: dc.descriptionEngineered nanomaterials (ENMs), such as silica mesoporous nanocapsules (SiNC), have emerged as a powerful tool for the controlled delivery and release of active compounds in various fields. However, the environmental impact of SiNC on marine biota, particularly when they enter the marine environment through wastewater effluents or direct release from maritime coatings, remains poorly understood. Studying their effects is thus crucial for environmental and human health protection, the development of safe-by-design ENMs, and informed policy-making. This study aims to assess the ecotoxicological effects and internalization of industrially-relevant SiNC in marine phytoplankton, namely on the microalgae Tetraselmis chuii, Nannochloropsis gaditana, and Isochrysis galbana, and diatoms Phaeodactylum tricornutum, and Chaetoceros calcitrans. For this purpose, a fluorescent nanocarrier (SiNC-UMB) is developed by labeling the SiNC with the fluorescent natural dye umbelliferone (UMB). UV–vis and fluorescence spectroscopic analyses confirmed the successful loading of UMB into SiNC. Phytoplankton can internalize these ENMs, even at low concentrations, although adsorption to the cell wall can also occur. This confirms the internal exposure and growth inhibition observed in the microalgae. These findings highlight the potential of using SiNC-UMB as a valuable tool for tracking their uptake and assessing their effects on marine biota and beyond.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionSão Paulo State University (UNESP), Praça Infante Dom Henrique, s/n, São Paulo-
Descrição: dc.descriptionCICECO – Aveiro Institute of Materials Department of Materials and Ceramic Engineering CESAM – Centre for Environmental and Marine Studies Department of Biology University of Aveiro-
Descrição: dc.descriptionCESAM – Centre for Environmental and Marine Studies Department of Biology University of Aveiro-
Descrição: dc.descriptionDepartment of Biology University of Aveiro-
Descrição: dc.descriptionSmallmatek – Small Materials and Technologies Lda Rua Canhas-
Descrição: dc.descriptionCICECO – Aveiro Institute of Materials Department of Materials and Ceramic Engineering University of Aveiro-
Descrição: dc.descriptionSão Paulo State University (UNESP), Praça Infante Dom Henrique, s/n, São Paulo-
Descrição: dc.descriptionFAPESP: 2017/10211-0-
Descrição: dc.descriptionFAPESP: 2019/19898-3-
Descrição: dc.descriptionCAPES: 88881.156405/2017-01-
Descrição: dc.descriptionCNPq: CNPq #308533/2018-6-
Idioma: dc.languageen-
Relação: dc.relationAdvanced Sustainable Systems-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectfluorescent labeling-
Palavras-chave: dc.subjectnanomaterials-
Palavras-chave: dc.subjectnatural dyes-
Palavras-chave: dc.subjectsilica mesoporous nanocapsules-
Palavras-chave: dc.subjectumbelliferone-
Título: dc.titleMultipurpose Fluorescent Nanocarriers: Environmental Behavior, Toxicity and Internalization on Marine Microalgae-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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