WebMay 5, 2024 · They used rhodamine 6G-modified silver-core gold-nanotubes to detect the bacteria at 10 2 CFU/ml to confirm the presence of bacteria in the blood of mice and to … WebJan 13, 2005 · The surface enhanced Raman scattering (SERS) of a number of species and strains of bacteria obtained on novel gold nanoparticle (approximately 80 nm) covered SiO(2) substrates excited at 785 nm is reported. Raman cross-section enhancements of >10(4) per bacterium are found for both Gram-positive …
Investigating the potential of ZTO as an efficient and cheap SERS ...
WebThus, SERS has been explored as an analytical tool for the rapid, low-cost, and sensitive detection of pathogens (e.g.; bacteria, fungi), adopting diverse indirect 96,97 and direct sensing strategies, along with positively-charged nanoparticles. 27,34,38–40,46,47,50,51,75 A representative workflow to carry out direct SERS analysis of ... WebApr 14, 2024 · For use of silver and gold nanoparticles as SERS active substrates, size and shapes of these nanoparticles have been reported to play crucial role in keeping them functional. ... In addition to this, carbohydrates from the bacteria are also responsible for peaks such as 1267 cm −1, 1259 cm −1 in addition to 1265 cm −1 (COH, HCO, ... breaking monitor picture
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WebApr 1, 2024 · SERS spectra of bacteria is a “fingerprints” that allow to distinguish bacteria at the level of genera, species, and even at the intraspecific level . The SERS method is based on application of metals with a plasmon resonance in the visible range (gold or silver) in the form of dispersions of nanoparticles or coarse nanostructured ... WebJun 17, 2024 · Surface-enhanced Raman spectroscopy (SERS) of bacteria infused with silver or gold colloids reflects the different biochems. in the immediate, nano-vicinity of the particles. In particular, the authors demonstrate high sensitivity to flavins, important coenzymes usually assocd. with the cell wall. Varying the type of colloid, the laser ... WebSep 20, 2024 · The bacterial nanocellulose decorated with gold nanoparticles ([email protected]) SERS substrates are successfully constructed by a low-cost, efficient, and ecofriendly magnetron … breaking montreal news