Gated Nanosensor for Sulphate-Reducing Bacteria Detection
Por:
A. LÓPEZ-PALACIOS, A. MORELLÁ-AUCEJO, Y. MORENO, R. PONZ-CARCELÉN, M. PEDRO-MONZONÍS, M. MARCOS, A. BERNARDOS, F. SANCENÓN, E. AZNAR, R. MARTÍNEZ-MÁÑEZ and A. HERNÁNDEZ-MONTOTO
Publicada:
21 may 2025
Resumen:
Desulfovibrio vulgaris is an anaerobic microorganism belonging to the group of sulphate-reducing bacteria (SRB). SRB form biofilms on metal surfaces in water supply networks, producing a microbiologically influenced corrosion (MIC). This process produces the deterioration of metal surfaces, leading to high economic costs and different environmental safety and health problems related to its chemical treatment. For that reason, rapid and accurate detection methods of SRB are needed. In this work, a new detection system for Desulfovibrio has been developed using gated nanoporous materials. The probe is based on hybrid nanoporous alumina films encapsulating a fluorescent molecule (rhodamine B), whose release is controlled by an oligonucleotide gate. Upon exposure to Desulfovibrio's genomic material, a movement of the oligonucleotide gatekeeper happens, resulting in the selective delivery of the entrapped rhodamine B. The developed material shows high selectivity and sensitivity for detecting Desulfovibrio DNA in aqueous buffer and biological media. The implementation of this technology for the detection of Desulfovibrio as a tool for monitoring water supply networks is innovative and allows real-time in situ monitoring, making it possible to detect the growth of Desulfovibrio inside of pipes at an early stage and perform timely interventions to reverse it.
Filiaciones:
A. LÓPEZ-PALACIOS:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Unidad Mixta Invest Nanomed & Sensores, Inst Invest Sanitaria La Fe IISLAFE, Av Fernando Abril Martorell,106, Valencia 46026, Spain
A. MORELLÁ-AUCEJO:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Y. MORENO:
Univ Politecn Valencia, Inst Univ Agua & Medio Ambiente IIAMA, Cami Vera S N, Valencia 46022, Spain
R. PONZ-CARCELÉN:
Global Omnium Grp, Gran Via Marques Turia, 19, Valencia 46005, Spain
M. PEDRO-MONZONÍS:
Global Omnium Grp, Gran Via Marques Turia, 19, Valencia 46005, Spain
:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Ctr Invest Principe Felipe, Unidad Mixta UPV CIPF Invest Mecanismos Enfermedad, Ave Eduardo Primo Yufera,3, Valencia 46012, Spain
Univ Politecn Valencia, Dept Quim, Cami Vera S N, Valencia 46022, Spain
:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Ctr Invest Principe Felipe, Unidad Mixta UPV CIPF Invest Mecanismos Enfermedad, Ave Eduardo Primo Yufera,3, Valencia 46012, Spain
Univ Politecn Valencia, Dept Quim, Cami Vera S N, Valencia 46022, Spain
F. SANCENÓN:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Ctr Invest Principe Felipe, Unidad Mixta UPV CIPF Invest Mecanismos Enfermedad, Ave Eduardo Primo Yufera,3, Valencia 46012, Spain
Univ Politecn Valencia, Dept Quim, Cami Vera S N, Valencia 46022, Spain
:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Unidad Mixta Invest Nanomed & Sensores, Inst Invest Sanitaria La Fe IISLAFE, Av Fernando Abril Martorell,106, Valencia 46026, Spain
Univ Politecn Valencia, Dept Quim, Cami Vera S N, Valencia 46022, Spain
:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Unidad Mixta Invest Nanomed & Sensores, Inst Invest Sanitaria La Fe IISLAFE, Av Fernando Abril Martorell,106, Valencia 46026, Spain
Univ Politecn Valencia, Ctr Invest Principe Felipe, Unidad Mixta UPV CIPF Invest Mecanismos Enfermedad, Ave Eduardo Primo Yufera,3, Valencia 46012, Spain
Univ Politecn Valencia, Dept Quim, Cami Vera S N, Valencia 46022, Spain
A. HERNÁNDEZ-MONTOTO:
Univ Valencia, Univ Politecn Valencia, Inst Interuniv Invest Reconocimiento Mol & Desarro, Camino Vera S N, Valencia 46022, Spain
Inst Salud Carlos III, CIBER Bioingn Biomat & Nanomed, Valencia 46022, Spain
Univ Politecn Valencia, Unidad Mixta Invest Nanomed & Sensores, Inst Invest Sanitaria La Fe IISLAFE, Av Fernando Abril Martorell,106, Valencia 46026, Spain
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