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- Title
A Resumable Fluorescent Probe BHN-FeO@SiO Hybrid Nanostructure for Fe and its Application in Bioimaging.
- Authors
Zhou, Xi; Wang, Yujiao; Peng, Qi; Liu, Weisheng
- Abstract
A multifunctional fluorescent probe BHN-FeO@SiO nanostructure for Fe was designed and developed. It has a good selective response to Fe with fluorescence quenching and can be recycled using an external magnetic field. With adding EDTA (2.5 × 10 M) to the consequent product Fe-BHN-FeO@SiO, Fe can be removed from the complex, and its fluorescence probing ability recovers, which means that this constituted on-off type fluorescence probe could be reversed and reused. At the same time, the probe has been successfully applied for quantitatively detecting Fe in a linear mode with a low limit of detection 1.25 × 10 M. Furthermore, the BHN-FeO@SiO nanostructure probe is successfully used to detect Fe in living HeLa cells, which shows its great potential in bioimaging detection.
- Subjects
FLUORESCENT probes; IRON oxide nanoparticles; BIO-imaging sensors; FLUORESCENCE quenching; QUANTITATIVE research
- Publication
Nanoscale Research Letters, 2017, Vol 12, Issue 1, p1
- ISSN
1931-7573
- Publication type
Article
- DOI
10.1186/s11671-017-2392-2