Towards targeted Escherichia coli fluorescence biosensor using quantum dots decorated geothermal silica nanoparticles | Synapse
June 1, 2026
Towards targeted Escherichia coli fluorescence biosensor using quantum dots decorated geothermal silica nanoparticles
Key Points
This research aims to develop a biosensor that targets and detects Escherichia coli in water using quantum dots and silica nanoparticles.
Designed a fluorescence biosensor utilizing quantum dots and geothermal silica nanoparticles.
Assessed the biosensor's effectiveness in detecting E. coli in water samples.
Tested various concentrations of E. coli to evaluate sensitivity and specificity.
The biosensor effectively detected E. coli at concentrations as low as 10 CFU/mL with a detection limit.
Significant fluorescence intensity increase was observed upon E. coli binding, confirming sensor functionality.
Demonstrated potential for real-time water quality monitoring.
Abstract
The quality of water is assessed not solely by its physical and chemical characteristics but also by its biological parameters, such as the presence of Escherichia coli (E. coli) bacteria,...