Development of a rapid and simple tetracycline detection system based on metal-enhanced fluorescence by europium-doped AgNP@SiO2 core-shell nanoparticles

Cited 5 time in webofscience Cited 0 time in scopus
  • Hit : 116
  • Download : 33
We herein describe a rapid and selective sensing platform for tetracycline (Tc), which relies on the metal-enhanced fluorescence (MEF) effect of europium (Eu3+)-doped silver-silica core-shell nanoparticles (AgNP@SiO2). The developed assay utilizes AgNP@SiO2 as a key detection component, which is systematically optimized to have a silica shell thickness suitable for the effective MEF phenomenon. In principle, the AgNP@SiO2, which binds to Eu3+ through the electrostatic interaction, captures Tc by selective chelation with Eu3+, leading to significant fluorescence enhancement of the EuTc complex. Based on this novel strategy, we determined Tc as low as 83.1 nM with a total assay time of less than 10 min, which is comparable to or better than that of the previous fluorescence-based methods. Furthermore, the practical applicability of this strategy was successfully demonstrated by detecting Tc in tap water. This work highlights the unique features of AgNP@SiO2 for MEF-based biosensing applications.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2018-07
Language
English
Article Type
Article
Citation

RSC ADVANCES, v.8, no.43, pp.24322 - 24327

ISSN
2046-2069
DOI
10.1039/c8ra03185a
URI
http://hdl.handle.net/10203/245182
Appears in Collection
CBE-Journal Papers(저널논문)
Files in This Item
Development of a rapid and simple tetracycline detection system based on metal-enhanced fluorescence by europium-doped AgNP@SiO2 core-shell nanoparticle.pdf(667.03 kB)Download
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 5 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0