Article ; Online: Colorimetric detection of oral bacteria using functionalized gold nanoparticles as a plasmonic biosensor array.
Nanoscale advances
2024 Volume 6, Issue 5, Page(s) 1447–1459
Abstract: Early detection of specific oral bacterial species would enable timely treatment and prevention of certain oral diseases. In this work, we investigated the sensitivity and specificity of functionalized gold nanoparticles for plasmonic sensing of oral ... ...
| Abstract | Early detection of specific oral bacterial species would enable timely treatment and prevention of certain oral diseases. In this work, we investigated the sensitivity and specificity of functionalized gold nanoparticles for plasmonic sensing of oral bacteria. This approach is based on the aggregation of positively charged gold nanoparticles on the negatively charged bacteria surface and the corresponding localized surface plasmon resonance (LSPR) shift. Gold nanoparticles were synthesized in different sizes, shapes and functionalization. A biosensor array was developed consisting of spherical- and anisotropic-shaped (1-hexadecyl) trimethylammonium bromide (CTAB) and spherical mercaptoethylamine (MEA) gold nanoparticles. It was used to detect four oral bacterial species ( |
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| Language | English |
| Publishing date | 2024-02-08 |
| Publishing country | England |
| Document type | Journal Article |
| ISSN | 2516-0230 |
| ISSN (online) | 2516-0230 |
| DOI | 10.1039/d3na00477e |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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