Mycobacterium detection method combining filtration, immunomagnetic separation, and electrochemical readout in a portable biosensing device

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Autor(es): dc.contributorUniversitat Autònoma de Barcelona-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorInstitut d′Investigació Germans Trias i Pujol (IGTP)-
Autor(es): dc.creatorMesas Gómez, Melania-
Autor(es): dc.creatorMolina-Moya, Bárbara-
Autor(es): dc.creatorde Araújo, Bárbara Camila-
Autor(es): dc.creatorPallarès-Rusiñol, Arnau-
Autor(es): dc.creatorFerrer-Dalmau, Jofre-
Autor(es): dc.creatorBoldrín Zanoni, Maria Valnice-
Autor(es): dc.creatorDomínguez, José-
Autor(es): dc.creatorJulian, Esther-
Autor(es): dc.creatorPividori, María Isabel-
Data de aceite: dc.date.accessioned2025-08-21T20:43:16Z-
Data de disponibilização: dc.date.available2025-08-21T20:43:16Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-03-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.snb.2023.135211-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303996-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303996-
Descrição: dc.descriptionThis study addresses a straightforward and highly sensitive approach for detecting Mycobacterium fortuitum. The method involves a combination of filtration and direct immunomagnetic separation to isolate the bacteria retained on filters for further electrochemical magneto immunosensing in a handheld device. Unlike conventional methods involving pre-enrichment by culturing, this approach employs a simplified preconcentration technique, which includes filtration of large water samples, up to 100 mL, followed by a one-step process of immunomagnetic separation and labeling. After a 60-min, during which the filter with the retained bacteria and all the reagents (including modified magnetic particles and enzymatic conjugates) are incubated, the resulting product is directly drop into a cartridge, capable of performing magnetic actuation and washing. The electrochemical readout is carried out on a portable battery-operated device within 30 seconds. Remarkably, the immunosensor demonstrates an outstanding limit of detection of 5 CFU mL−1 in hemodialysis water processing 100 mL of sample. This achievement is remarkable considering the short and simplified analytical procedure, compared to the traditional isolation and culturing of mycobacteria, which typically takes 2 weeks.-
Descrição: dc.descriptionGeneralitat de Catalunya-
Descrição: dc.descriptionMinisterio de Ciencia, Innovación y Universidades-
Descrição: dc.descriptionGrup de Sensors i Biosensors Departament de Química Universitat Autònoma de Barcelona-
Descrição: dc.descriptionBiosensing and Bioanalysis Group Institute of Biotechnology and Biomedicine Universitat Autònoma de Barcelona-
Descrição: dc.descriptionBioEclosion SL Avda. Can Domènech Edifici Eureka Universitat Autònoma de Barcelona-
Descrição: dc.descriptionDepartment of Analytical Chemistry Institute of Chemistry UNESP Universidad Estadual Paulista, SP-
Descrição: dc.descriptionDepartament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona-
Descrição: dc.descriptionInstitut d′Investigació Germans Trias i Pujol (IGTP)-
Descrição: dc.descriptionDepartament de Genètica i Microbiologia Universitat Autònoma de Barcelona-
Descrição: dc.descriptionCIBER Enfermedades Respiratorias Instituto de Salud Carlos III Universitat Autònoma de Barcelona-
Descrição: dc.descriptionDepartment of Analytical Chemistry Institute of Chemistry UNESP Universidad Estadual Paulista, SP-
Descrição: dc.descriptionGeneralitat de Catalunya: 2017-SGR-220-
Descrição: dc.descriptionGeneralitat de Catalunya: 2021SGR-00092-
Descrição: dc.descriptionGeneralitat de Catalunya: 2021SGR-00124-
Descrição: dc.descriptionMinisterio de Ciencia, Innovación y Universidades: PID2019-106625RB-I00/AEI/10.13039/501100011033-
Descrição: dc.descriptionMinisterio de Ciencia, Innovación y Universidades: PID2022-136453OB-I00-
Descrição: dc.descriptionGeneralitat de Catalunya: SGR2021-1267-
Idioma: dc.languageen-
Relação: dc.relationSensors and Actuators B: Chemical-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectHandheld device-
Palavras-chave: dc.subjectHemodialysis water-
Palavras-chave: dc.subjectImmunomagnetic separation-
Palavras-chave: dc.subjectMycobacterium fortuitum-
Palavras-chave: dc.subjectPEM-
Palavras-chave: dc.subjectPreconcentration strategy-
Título: dc.titleMycobacterium detection method combining filtration, immunomagnetic separation, and electrochemical readout in a portable biosensing device-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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