New Aptasensor for Detecting Staphylococcus aureus Protein A
Author Information
Author(s): Tătaru Ana-Maria, Canciu Alexandra, Chiorean Alin-Dan, Runcan Ioana, Radu Alexandru, Bordea Mădălina Adriana, Suciu Maria, Tertiș Mihaela, Cernat Andreea, Cristea Cecilia
Primary Institution: Iuliu Hațieganu University of Medicine and Pharmacy
Hypothesis
Can a competitive aptasensor using cDNA-Ferrocene and MXenes effectively detect Staphylococcus aureus surface Protein A?
Conclusion
The developed aptasensor shows promise for rapid detection of Staphylococcus aureus in clinical samples.
Supporting Evidence
- The aptasensor displayed a linear detection range of 10–125 nM.
- It achieved a limit of detection (LOD) of 3.33 nM.
- The sensor was validated with real clinical samples from patients with S. aureus infections.
- Recovery rates for spiked samples were low due to matrix effects.
Takeaway
Scientists created a new tool to quickly find a specific protein from a germ that can make people sick, using special materials to make it work better.
Methodology
The aptasensor was developed using a competitive assay with cDNA-Ferrocene and MXenes, tested on real samples from patients.
Limitations
The aptasensor showed low recovery rates due to matrix effects in clinical samples.
Participant Demographics
Samples included hemocultures from pediatric patients diagnosed with Staphylococcus aureus infections.
Digital Object Identifier (DOI)
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