Detection strategies of infectious diseases via peptide-based electrochemical biosensors

Balaban Hanoglu, Simge; Harmanci, Duygu; Evran, Serap; Timur, Suna

doi:10.1016/j.bioelechem.2024.108784

Bioelectrochemistry

2024

DOI: 10.1016/j.bioelechem.2024.108784

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Detection strategies of infectious diseases via peptide-based electrochemical biosensors

Simge Balaban Hanoglu,

Duygu Harmanci,

Serap Evran

et al.

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References 200 publications

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Nanosensor based on HP‐MAP1 and carbon nanotubes for bacteria detection

Silva,

Migliolo,

Silva

et al. 2024

Biotechnology Progress

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Healthcare‐associated infections (HAIs) pose significant challenges to global health due to pathogen complexity and antimicrobial resistance. Biosensors utilizing antimicrobial peptides offer innovative solutions. Hylarana picturata Multiple Active Peptide 1 (Hp‐MAP1), derived from Temporin‐PTA, exhibits antibacterial properties sourced from the skin secretions of the Malaysian fire‐bellied frog. An innovative sensing layer was developed for the electrochemical biorecognition of diverse pathogens: Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli, and Staphylococcus aureus. Electrochemical impedance spectroscopy differentiated microorganisms based on distinct electrochemical responses. The sensor layer, composed of functionalized multi‐walled carbon nanotubes (MWCNTs) associated with Hp‐MAP1, exhibited varying levels of charge transfer resistance (RCT) for different microorganisms. Gram‐negative species, especially P. aeruginosa, displayed higher RCT values, indicating better impedimetric responses. Excellent LODs were observed for P. aeruginosa (0.60), K. pneumoniae (0.42), E. coli (0.67), and S. aureus (0.59), highlighting the efficacy of the MWCNTs/Hp‐MAP1 biosensor in microbial identification. The MWCNTs/Hp‐MAP1 biosensor platform presents a promising and effective microbial identification strategy with potential healthcare applications to mitigate HAIs and enhance patient care.

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Nanosensor based on HP‐MAP1 and carbon nanotubes for bacteria detection

Silva,

Migliolo,

Silva

et al. 2024

Biotechnology Progress

View full text Add to dashboard Cite

show abstract

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Detection strategies of infectious diseases via peptide-based electrochemical biosensors

Cited by 1 publication

References 200 publications

Nanosensor based on HP‐MAP1 and carbon nanotubes for bacteria detection

Nanosensor based on HP‐MAP1 and carbon nanotubes for bacteria detection

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