Paper-Based Optical Sensor for Detection of Bacteria

SHORT COMMUNICATION
V. A. Hovhannisyan, G. G. Poghosyan, V. K. Gasparyan

 
For citation: Hovhannisyan VA, Poghosyan GG, Gasparyan VK. Paper-Based Optical Sensor for Detection of Bacteria. International Journal of Biomedicine. 2025;15(1):226-227. doi:10.21103/Article15(1)_ShC2
 
Originally published March 5, 2025

Abstract: 

A paper-based visual optical sensor for detecting bacteria was developed. The principle of the assay is to use lentil lectin immobilized on paper as a bacteria-binding primary ligand and the same lectin conjugated with gold nanoparticles as a detecting ligand. This approach permits the detection of gram-positive bacteria with an absorbance at 600 nm of 0.3, whereas for gram-negative bacteria of 0.4

Keywords: 
visual optical sensor • gold nanoparticles • ligand
References: 
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Received November 23, 2024.
Accepted December 30, 2024.
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