Electrochemical and Optical Multi-Detection of Escherichia coli Through Magneto-Optic Nanoparticles: A Pencil-on-Paper Biosensor
Furkan Soysaldı, Derya Dincyurek Ekici, Mehmet Çağrı Soylu, Evren Mutlugun · 2024
Read Electrochemical and Optical Multi-Detection of Escherichia coli Through Magneto-Optic Nanoparticles: A Pencil-on-Paper Biosensor by Furkan Soysaldı, Derya Dincyurek Ekici, Mehmet Çağrı Soylu, Evren Mutlugun (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11674942.txt.
Description
Furkan Soysaldı and co-authors present a 2024 biosensor study that detects Escherichia coli bacteria two ways on a strip of paper. Standard tests for this germ are slow, costly, or fussy, while cheap electrochemical sensors can lack sensitivity. The team's sensor is drawn with a pencil: graphite tracks on paper.
Its secret ingredient is a magnetic nanoparticle dressed in light-emitting quantum dots. Electrically, the device sensed the bacteria down to a few hundred cells per milliliter across a wide range, in about thirty minutes. Optically, the dots' glow lifetime fell by more than sixty percent as bacterial load rose, a second, independent readout. Combining both channels on one cheap strip is the claimed first. The authors aim the design at point-of-care testing.
Catalog record
| CREATOR | Furkan Soysaldı, Derya Dincyurek Ekici, Mehmet Çağrı Soylu, Evren Mutlugun |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 39 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |